[gentoo-user] Mysterious library access...
Hi, After trying to play a flac-file with mpv I got this error message: Playing: Track_01.flac (+) Audio --aid=1 (flac) File tags: Artist: Unknown Album: Unknown Disc Genre: Alternative Title: Track 01 Track: 1 ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) unable to open slave [ao/alsa] Playback open error: Device or resource busy connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory) attempt to connect to server failed [ao/jack] cannot open server ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) unable to open slave Could not open/initialize audio device -> no sound. Audio: no audio : 00:00:00 / 00:05:56 (0%) I reinstalled alsa-lib and mpv but the problem remains: Why does alsa tries to load a library which is meant to be found under /var/tmp/portage? Best regards, Meino
Re: [gentoo-user] Blank screen after hibernation with radeon driver
> On Jun 21, 2015, at 2:16, Fernando Rodriguez > wrote: > > On Saturday, June 20, 2015 10:15:37 AM Matti Nykyri wrote: >>> On Jun 20, 2015, at 5:16, Fernando Rodriguez > wrote: >>> >>> Hello, >>> >>> After switching from fglrx to the radeon driver I get a blank screen after >>> resuming from hibernation. I can ssh in but I can't restart xorg. This > happens >>> with pm-utils and also with systemd. Suspend works fine with both. >>> >>> My video card is: >>> VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini >>> [Radeon HD 8210] >>> >>> Any suggestions? >> >> Ssh in and run commands: >> >> export DISPLAY=:0 >> xrandr >> Or >> xrandr --output --mode etc with right arguments >> >> If that doesn't help, use top and perf top to see what is going on. Does > restarting X fix te issue? > > I can't restart X, it hangs when I try, xrandr also hangs. Even kill -9 > doesn't kill it. The logs sometimes don't show anything at all but today it's > show this consistently: > > un 20 18:19:08 navi kernel: [drm:cik_ring_test] *ERROR* radeon: ring 1 test > failed (scratch(0x3010C)=0xCAFEDEAD) > Jun 20 18:19:08 navi kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 > SControl > 300) > Jun 20 18:19:08 navi kernel: ata1.00: configured for UDMA/133 > Jun 20 18:19:08 navi kernel: [drm:cik_ring_test] *ERROR* radeon: ring 2 test > failed (scratch(0x3010C)=0xCAFEDEAD) > Jun 20 18:19:08 navi kernel: [drm] ring test on 3 succeeded in 4 usecs > Jun 20 18:19:08 navi kernel: [drm] ring test on 4 succeeded in 4 usecs > Jun 20 18:19:08 navi kernel: [drm] ring test on 5 succeeded in 1 usecs > Jun 20 18:19:08 navi kernel: [drm] UVD initialized successfully. > Jun 20 18:19:08 navi kernel: [drm] ring test on 6 succeeded in 812 usecs > Jun 20 18:19:08 navi kernel: [drm] ring test on 7 succeeded in 3 usecs > Jun 20 18:19:08 navi kernel: [drm] VCE initialized successfully. > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 0 succeeded in 0 usecs > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 3 succeeded in 0 usecs > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 4 succeeded in 0 usecs > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 5 succeeded > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 6 succeeded > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 7 succeeded > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* > displayport > link status failed > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* clock > recovery failed > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* > displayport > link status failed > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* clock > recovery failed > > > > On one occassion there where about 20 backtraces on the log. That log is gone > but it had a message basically saying (I don't remember the exact words) that > something went wrong and the kernel recovered but a reboot was still needed. > I'll post if it comes up again. > > Also relevant that I've been getting this and similar errors on my logs for a > few days (probably since I switched to the radeon driver), all the i2c > devices > are on the video card: > > Jun 20 16:46:30 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:46:41 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:47:01 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:47:11 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:47:31 navi kernel: i2c i2c-7: sendbytes: error -110 What is the output of: perf top Do you have kernel debugging symbols compiled in? If then do kernel function trace. See what an strace to X shows. -- -Matti
RE: [gentoo-user] Mysterious library access...
Meino.Cramer@ wrote: > Hi, > > After trying to play a flac-file with mpv I got this error message: > Playing: Track_01.flac > (+) Audio --aid=1 (flac) > File tags: > Artist: Unknown > Album: Unknown Disc > Genre: Alternative > Title: Track 01 > Track: 1 > ALSA lib > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > unable to open slave That's just debug output. In order to make dev's live easier alsa-lib uses __FILE__ and __LINE__ macros to point to the exact place where the debug output happened. As portage compiles in /var/tmp/portage/... the debug output mentions that file (note the ".c" suffix - not .so so it's not a library ;)) To fix your actual problem (no audio) we need to know how you configured audio (pure alsa/pulseaudio/...) and which USE-Flags you have enabled for mpv and ffmpeg. > [ao/alsa] Playback open error: Device or resource busy > connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such > file or directory) > attempt to connect to server failed > [ao/jack] cannot open server > ALSA lib > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > unable to open slave > Could not open/initialize audio device -> no sound. > Audio: no audio > : 00:00:00 / 00:05:56 (0%) > > I reinstalled alsa-lib and mpv but the problem remains: > Why does alsa tries to load a library which is meant to be found under > /var/tmp/portage? > > Best regards, > Meino > > > > >
Re: [gentoo-user] Mysterious library access...
On Sun, 21 Jun 2015 10:27:33 +0200 meino.cra...@gmx.de wrote: > Hi, > > After trying to play a flac-file with mpv I got this error message: > Playing: Track_01.flac > (+) Audio --aid=1 (flac) > File tags: > Artist: Unknown > Album: Unknown Disc > Genre: Alternative > Title: Track 01 > Track: 1 > ALSA > lib > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > unable to open slave [ao/alsa] Playback open error: Device or > resource busy connect(2) call to /dev/shm/jack-0/default/jack_0 > failed (err=No such file or directory) attempt to connect to server > failed [ao/jack] cannot open server ALSA > lib > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > unable to open slave Could not open/initialize audio device -> no > sound. Audio: no audio : 00:00:00 / 00:05:56 (0%) > > I reinstalled alsa-lib and mpv but the problem remains: > Why does alsa tries to load a library which is meant to be found > under /var/tmp/portage? > That probably means some debug message from alsa-lib where for example pcm_dmix.c:1024 is a source file 'pcm_dmix.c' and :1024 is a line where the "falling" function call is. It probably tries to open '/dev/shm/jack-0/default/jack_0' maybe your alsa configuration is a problem, or missing some kernel functionallity (just guessing). Using 'jack-audio-connection-kit'?
Re: [gentoo-user] Mysterious library access...
bitlord [15-06-21 10:48]: > On Sun, 21 Jun 2015 10:27:33 +0200 > meino.cra...@gmx.de wrote: > > > Hi, > > > > After trying to play a flac-file with mpv I got this error message: > > Playing: Track_01.flac > > (+) Audio --aid=1 (flac) > > File tags: > > Artist: Unknown > > Album: Unknown Disc > > Genre: Alternative > > Title: Track 01 > > Track: 1 > > ALSA > > lib > > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > > unable to open slave [ao/alsa] Playback open error: Device or > > resource busy connect(2) call to /dev/shm/jack-0/default/jack_0 > > failed (err=No such file or directory) attempt to connect to server > > failed [ao/jack] cannot open server ALSA > > lib > > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > > unable to open slave Could not open/initialize audio device -> no > > sound. Audio: no audio : 00:00:00 / 00:05:56 (0%) > > > > I reinstalled alsa-lib and mpv but the problem remains: > > Why does alsa tries to load a library which is meant to be found > > under /var/tmp/portage? > > > > That probably means some debug message from alsa-lib where for example > pcm_dmix.c:1024 is a source file 'pcm_dmix.c' and :1024 is a line > where the "falling" function call is. > It probably tries to open '/dev/shm/jack-0/default/jack_0' > maybe your alsa configuration is a problem, or missing some kernel > functionallity (just guessing). Using 'jack-audio-connection-kit'? > > Hi, Ah!Oh! Yes...I see...sorry for my blurred view to this problem. Yes, I am trying to use jackd with mpv, whcih leads to this error. My setup is: jackd, alsa mpv After stopping jackd I can play the track with mpv...so alsa as such seem to be well and up running. Enabling jackd again shows this (this time I will post the whole thing ... so nothing is censored by me... ;) File tags: Artist: Unknown Album: Unknown Disc Genre: Alternative Title: Track 02 Track: 2 ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) unable to open slave [ao/alsa] Playback open error: Device or resource busy AO: [jack] 48000Hz stereo 2ch floatp A: 00:00:09 / 00:11:54 (1%) BUT it plays this time... Do I have kill jackd, play something with alsa, restart jackd and it "works" ... ? Sounds silly...but at least "it sounds". What's going on here? Best regards, Meino
Re: [gentoo-user] Mysterious library access...
bitlord [15-06-21 10:48]: > On Sun, 21 Jun 2015 10:27:33 +0200 > meino.cra...@gmx.de wrote: > > > Hi, > > > > After trying to play a flac-file with mpv I got this error message: > > Playing: Track_01.flac > > (+) Audio --aid=1 (flac) > > File tags: > > Artist: Unknown > > Album: Unknown Disc > > Genre: Alternative > > Title: Track 01 > > Track: 1 > > ALSA > > lib > > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > > unable to open slave [ao/alsa] Playback open error: Device or > > resource busy connect(2) call to /dev/shm/jack-0/default/jack_0 > > failed (err=No such file or directory) attempt to connect to server > > failed [ao/jack] cannot open server ALSA > > lib > > /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm_dmix.c:1024:(snd_pcm_dmix_open) > > unable to open slave Could not open/initialize audio device -> no > > sound. Audio: no audio : 00:00:00 / 00:05:56 (0%) > > > > I reinstalled alsa-lib and mpv but the problem remains: > > Why does alsa tries to load a library which is meant to be found > > under /var/tmp/portage? > > > > That probably means some debug message from alsa-lib where for example > pcm_dmix.c:1024 is a source file 'pcm_dmix.c' and :1024 is a line > where the "falling" function call is. > It probably tries to open '/dev/shm/jack-0/default/jack_0' > maybe your alsa configuration is a problem, or missing some kernel > functionallity (just guessing). Using 'jack-audio-connection-kit'? > > sorry... This happens before: Exiting... (Errors when loading file) [1]23147 exit 2 mpv -ao jack Track_01.flac solfire:mccramer/Unknown_Disc>sudo mpv -ao jack Track_01.flac Playing: Track_01.flac (+) Audio --aid=1 (flac) File tags: Artist: Unknown Album: Unknown Disc Genre: Alternative Title: Track 01 Track: 1 connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory) attempt to connect to server failed [ao/jack] cannot open server [ao] Failed to initialize audio driver 'jack' Could not open/initialize audio device -> no sound. Audio: no audio (work with any track...) Best regards, Meino
[gentoo-user] new scanner : any advice ?
My trusty 12-year-old scanner is starting to show signs of age : Epson Perfection 1260 1200 x 2400 dpi ; 48-bit color Speed : 1200 dpi hi-speed : Monochrome + Color 32 ms/line Optical Resolution : 1200 dpi Max Document Size : 8.5" x 11.7" I'm inclined to get another Epson, but would consider something else. The local store (Canada Computers, College St) offers the following : Epson Perfection V370 Photo Scanner -- $ 150 -- in stock 1 Item Code: SNES000478 Part Number: B11B207221 4800 x 9600 dpi ; 48-bit Color Speed : Monochrome A4 300 dpi 11 s , Color A4 300 dpi 14 s Optical Resolution : 12,8 K dpi Max Document Size : 8.5" x 11.7" Epson Perfection V550 Photo Flatbed Scanner -- $ 230 -- in stock 2 Item Code: SNES000509 Part Number: B11B210201 6400 x 9600 dpi ; 48-bit color Speed : 6400 dpi hi-speed : Monochrome + Color 21 ms/line Maximum Resolution : 12,8 K dpi Photo Restoration , 35mm Medium Format Scanning USB 2.0 Hi-Speed Epson Perfection V600 Photo Flatbed Scanner -- $ 276 -- in stock 3 Item Code: SNES000346 Part Number: B11B198022 6400 x 9600 dpi ; 48-bit Color Speed : 21 ms/line (Color + monochrome) Max Document Size : 8.5" x 11.7" All have Linux drivers, according to Epson's I/net site. V370 has lower resolution & probably slower, but it's not clear what justifies the extra cost of V600 over V550. Does anyone have experience with these or have any advice to offer ? -- ,, SUPPORT ___//___, Philip Webb ELECTRIC /] [] [] [] [] []| Cities Centre, University of Toronto TRANSIT`-O--O---' purslowatchassdotutorontodotca
[gentoo-user] Qt Creator on start up - "Welcome Mode Load Error"
Hi all, I've got the latest portage available, V3.4.1, Qt Creator installed. When I go to start up creator, I get a full screen window frame popping up, some menu and icon bars around the edge and then, instead of the text edit pane, I get a "clear" window, I can see the screens wallpaper, and three dialogues popping up. These dialogues are titled "Welcome Mode Load Error" and look like the top paragraph of the dialogue shown here: http://tinyurl.com/o9ax8ml - yes I know this is for a windows bug, but the dialogue is the same. I've tried to track down on the Qt site what the minimal Qt requirements for Creator are but that was useless - can't find it anywhere. I then had a look at the Creator ebuild and it says: # minimum Qt version required 38 QT_PV="5.3.2:5" This is where it gets interesting. I have not made the jump to Qt 5, but I can remember a large Qt update recently that had "5" bobbing past occasionally during the compile process. It was something that I meant to follow up but haven't. Doing an "eix qt | grep Installed" reveals that I have a mix of 4.8.7 and 5.4.2. Doing "emerge --info | grep qt" reveals only "qt3support" and "qt4". No mention of "qt5". As this is to do with OpenGl, but I actually suspect this mismatch of Qt, "eselect opengl list" says nvidia is selected. Re-emerging nvidia-drivers also says: *** * >>> SetUID: [chmod go-r] /opt/bin/nvidia-modprobe ...[ ok ] Switching to nvidia OpenGL interface... done * Removing x11-drivers/nvidia-drivers-352.21 from moduledb. Switching to nvidia OpenGL interface... done * Updating module dependencies for 4.0.5-gentoo ...[ ok ] * Adding module to moduledb. Switching to nvidia OpenGL interface... done Switching to nvidia OpenCL interface... done * USE=tools controls whether the nvidia-settings application * is installed. If you would like to use it, enable that * flag and re-emerge this ebuild. Optionally you can install * media-video/nvidia-settings *** So it appears OpenGl is good to go. Does anyone have any ideas as to how I can get back to a "pure" Qt4 setup? I've just had a look in /usr/portage/profiles/use.desc and there is a qt5 in there. Should I do a "-qt5" in make.conf and a new "emerge -NuD world"? Regards, Andrew p.s. Whoever looks after the wiki, https://wiki.gentoo.org/wiki/Handbook:X86/Working/USE the section "What USE flags exist" has two links to supposedly online description - no they don't.
Re: [gentoo-user] new scanner : any advice ?
On Sun, Jun 21, 2015 at 07:02:39AM -0400, Philip Webb wrote: > My trusty 12-year-old scanner is starting to show signs of age : > > Epson Perfection 1260 > 1200 x 2400 dpi ; 48-bit color > Speed : 1200 dpi hi-speed : Monochrome + Color 32 ms/line > Optical Resolution : 1200 dpi > Max Document Size : 8.5" x 11.7" > > I'm inclined to get another Epson, but would consider something else. > The local store (Canada Computers, College St) offers the following : > Does anyone have experience with these or have any advice to offer ? HP is the only desktop printer/scanner/etc that I've used in years, because their Linux support is great. My home use HP Officejet Pro 8600 N911g has an embedded web server so I only need enter it's IP in a web browser and scanning is drop dead easy. You might need more, but in the past all my Linux experience with Epson hardware/drivers was negative. Check the LinuxQuestions.org HCL: http://www.linuxquestions.org/hcl/
Re: [gentoo-user] new scanner : any advice ?
On Sunday 21 Jun 2015 10:05:02 Bruce Hill wrote: > HP is the only desktop printer/scanner/etc that I've used in years, because > their Linux support is great. I have an HP inkjet which insists on starting itself up every time the power is restored, despite the presence of a perfectly good on/off button. When I complained, they said they thought it was more helpful that way. Not my idea of good support. -- Rgds Peter
[gentoo-user] Re: Profile listings
Neil Bothwick digimed.co.uk> writes: > % PORTAGE_PROFILE=/var/portage/profiles/default/linux/arm/13.0/armv7a eix -c --system > [snip] > Found 42 matches. > > The nil return before was caused by search in one of the arch > directories, which are not complete profiles but data to be used by > profiles. It is a little confusing, but if you stick to profiles under > default/linux you should get useful information. Interestingly, you used "var" instead of "usr". From earlier, Martin used "PORTAGE_PROFILE=/usr/portage/profiles/$PROFILE eix -c --system" Granted "$PROFILE" needed expansion, but he put "/usr" and now you have it working with "/var" at the head of the path-string. Interestingly enough, "/var/portage" is not even a dir, yet the path-string you used does work. ' PORTAGE_PROFILE=/var/portage/profiles/default/linux/arm/13.0/armv7a eix -c --system' Which does work nicely. Care to explain? James
[gentoo-user] Re: Profile listings
Jonathan Callen gentoo.org> writes:
> The list of all profiles that can be chosen (for all architectures)
> can be found in ${PORTDIR}/profiles/profiles.desc . There are other
> "profile-like" directories under ${PORTDIR}/profiles, but these are
> only used as parents for a "complete" profile, as would be listed in
> profiles.desc. Most profiles do not change much, if anything, in the
> system set. The system set contains much more than you would
> probably need for a dedicated, embedded device.
OK.
So I want to build and embedded gentoo system on an amd64:
model name : AMD FX(tm)-8350 Eight-Core Processor
What this the embedded profile? (show me the syntax for this?).
I only need busybox (looking at the other embedded profiles). If I choose to
install iptables, as the only package, after busybox, the dependancy-tree
will pull in what else I need. Then just mod the kernel and I have embedded
gentoo on an amd64 system with iptables.
This will work, right? Isn't this what you are implying, or is the
profile system incomplete?
James
Re: [gentoo-user] new scanner : any advice ?
On Sun, Jun 21, 2015 at 04:51:39PM +0100, Peter Humphrey wrote: > > I have an HP inkjet which insists on starting itself up every time the power > is restored, despite the presence of a perfectly good on/off button. When I > complained, they said they thought it was more helpful that way. > > Not my idea of good support. Mine seems to start when the power fails, and I like that. No need to go push the power button when I'm nowhere near the thing and it was turned off. My idea of a good feature. :)/ >') ( \ ^^
Re: [gentoo-user] Re: Profile listings
On Sun, 21 Jun 2015 16:09:53 + (UTC), James wrote: > Interestingly, you used "var" instead of "usr". From earlier, Martin > used > > "PORTAGE_PROFILE=/usr/portage/profiles/$PROFILE eix -c --system" I have PORTDIR at /var/portage. -- Neil Bothwick Experience is directly proportional to the value of equipment destroyed. pgpvzHOaFXLlE.pgp Description: OpenPGP digital signature
[gentoo-user] purchasing a dell laptop
I am seriously thinking of updating my dell 6430s laptop purchased 3 years ago. NYU has an arrangement with dell so that is the only maker I am considering. This machine will be essentially gentoo only (I configure my computers to dual boot some version of windows for ease in dealing with dell support). The hardest decision is size vs performance, but I know you can't help with that. I have pretty much decided on the dell 7450. My questions concern three options: Graphics, Wireless, Screen. But would appreciate any other advice you have. I will definitely get * 16GB ram (2 x 8GB) * 512GB solid state disk * most powerful CPU compatible with the options chosen 1. Graphics. I can afford a high-end graphics co-processor, but prefer the software/administrative simplicity of intel graphics. I do not play high speed games or otherwise run graphics intensive applications. Am I correct in believing that Linux (the kernel) supports (the dell option) Intel Core i7-5600U Processor, UMA graphics, Smart Card directly with no extra gentoo package needed? 2. Wireless. My current home router/wireless-access-point (linksys WRT54G) supports 10/100 wired and 802.11bg wireless. I have no problems with this device or our home network, but I could upgrade to a 1-gigabit version if deemed important. Currently I must install net-wireless/broadcom-sta. This has caused no problems to date, but a wireless chip supported directly by linux would be preferable. I would appreciate help choosing among the following dell options (the prices are about the same). a. Intel Tri Band Wireless-AC 17265 802.11AC Wi-Fi + Wi-Gig + BT 4.0 LE Wireless Card b. Dell Wireless 1707 802.11n Single Band Wi-Fi + BT 4.0LE Wireless Card c. Dell Wireless 1560 (802.11ac 2x2, WiFi & BT) d. Intel Dual Band Wireless-AC 7265 802.11AC Wi-Fi + BT 4.0 LE Wireless Card (2X2) 3. Screen I am only considering 1920x1080 (best available) with a camera. a. "Touch" is available for $160. Are touch screens supported on gentoo/gnome? b. Some screens (including "touch") are "WiGig capable". This requires option 2a above (Tri Band Wireless-AC). Is WiGig valuable and is it easy to administer? Thanks in advance, allan
Re: [gentoo-user] purchasing a dell laptop
On 21/06/2015 21:16, gottl...@nyu.edu wrote: > I am seriously thinking of updating my dell 6430s laptop purchased 3 > years ago. NYU has an arrangement with dell so that is the only maker > I am considering. This machine will be essentially gentoo only (I > configure my computers to dual boot some version of windows for ease > in dealing with dell support). > > The hardest decision is size vs performance, but I know you can't help > with that. I have pretty much decided on the dell 7450. My questions > concern three options: Graphics, Wireless, Screen. But would appreciate > any other advice you have. I've used nothing bur Dell laptops for 10 years (currently on #5), and I've yet to run into any hardware support issues. > > I will definitely get > * 16GB ram (2 x 8GB) > * 512GB solid state disk > * most powerful CPU compatible with the options chosen > > 1. Graphics. > I can afford a high-end graphics co-processor, but prefer the > software/administrative simplicity of intel graphics. I do not > play high speed games or otherwise run graphics intensive > applications. Am I correct in believing that Linux (the kernel) > supports (the dell option) >Intel Core i7-5600U Processor, UMA graphics, Smart Card > directly with no extra gentoo package needed? All intel cards I've ever seen are supported. My current machine has an AMD co-card, the one before a Nvidia co-card. Both times I just used the Intel hardware, it does eveything I need > > 2. Wireless. > > My current home router/wireless-access-point (linksys WRT54G) > supports 10/100 wired and 802.11bg wireless. I have no problems > with this device or our home network, but I could upgrade to a > 1-gigabit version if deemed important. > > Currently I must install net-wireless/broadcom-sta. This has caused > no problems to date, but a wireless chip supported directly by linux > would be preferable. Hmm, broadcom. Lots of effort, IMNSHO not worth the effort. > > I would appreciate help choosing among the following dell options > (the prices are about the same). > a. Intel Tri Band Wireless-AC 17265 802.11AC >Wi-Fi + Wi-Gig + BT 4.0 LE Wireless Card > b. Dell Wireless 1707 802.11n Single Band >Wi-Fi + BT 4.0LE Wireless Card > c. Dell Wireless 1560 (802.11ac 2x2, WiFi & BT) > d. Intel Dual Band Wireless-AC 7265 802.11AC >Wi-Fi + BT 4.0 LE Wireless Card (2X2) "Dell" branded wireless is pot luck what it might actually be under the covers. My current one (class n) is actually a broadcom and needs broadcom-sta (which I can't get to work). Intel wifi cards OTH, seem to Just Work. I recommend you go with an intel card, or swap it out later (they are fairly cheap) > > 3. Screen >I am only considering 1920x1080 (best available) with a camera. >a. "Touch" is available for $160. > Are touch screens supported on gentoo/gnome? No idea, never used one. I have a tablet and a phone for Touch, and if I *really* want to swipe, I guess there's always that latest Windows >b. Some screens (including "touch") are "WiGig capable". > This requires option 2a above (Tri Band Wireless-AC). > Is WiGig valuable and is it easy to administer? Never heard of it :-) So on the whole, my experience with higher-end Dell is that hardware is pretty much well-supported across the boards with very few gotchas. The only two exceptions would be wifi cards (cheap to fix) and maybe GPU co-processor (if you are unlucky to get an unsupported cutting edge one and need to wait a bit for Linux support to catch up). -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] Re: Profile listings
On 21/06/2015 19:49, Neil Bothwick wrote: > On Sun, 21 Jun 2015 16:09:53 + (UTC), James wrote: > >> Interestingly, you used "var" instead of "usr". From earlier, Martin >> used >> >> "PORTAGE_PROFILE=/usr/portage/profiles/$PROFILE eix -c --system" > > I have PORTDIR at /var/portage. > > portage for a long long time went in /usr/portage because that's where FreeBSD put it, and drobbins was mightily enthralled by FreeBSD. But it's a stupid place for it to go on Linux and most of the sane technical Gentoo world agrees it really is a better fit in /var/portage. However, due to a highly unlikely confluence of the phases of the moon and an oddly-painted bikeshed (aquamarine with ochre polka dots), no-one seems to have ever gotten around to actually fixing it once and for all everywhere. Bottom line: folks will see both in real life. Procedure: If you have the one, and see the other, then just change the top-level dir in what you see. -- Alan McKinnon alan.mckin...@gmail.com
[gentoo-user] Re: purchasing a dell laptop
Alan McKinnon gmail.com> writes: > > The hardest decision is size vs performance, but I know you can't help Maybe, maybe not. > > I will definitely get > > * 16GB ram (2 x 8GB) > > * 512GB solid state disk > > * most powerful CPU compatible with the options chosen > > 1. Graphics. > > I can afford a high-end graphics co-processor, but prefer the > > software/administrative simplicity of intel graphics. I do not > > play high speed games or otherwise run graphics intensive > > applications. Am I correct in believing that Linux (the kernel) > > supports (the dell option) > >Intel Core i7-5600U Processor, UMA graphics, Smart Card > > directly with no extra gentoo package needed? Cuda on nvidia is well seasoned, but expensive. Gentoo distros such as Pentoo, use cuda for smokin fast passwd cracking. Many/most apps will benefit, in the near future, with the deployment of GCC-5.x as RDMA via gcc% will allow for using that smoking GPU (a simd processor) and the DDR5 ram as if it was part of the CPU/ram resources. If you read up on all the advances with GCC 5 you will see most gpu (amd, Intel etc) will/should be supported. How long for stabilization, is unknown, at this time. But for very few dollars it's the biggest thing to hit hardware, since the FPU was integrated onto the same die, imho. YMMV. > All Intel cards I've ever seen are supported. My current machine has an > AMD co-card, the one before a Nvidia co-card. Both times I just used the > Intel hardware, it does everything I need. Check whatever GPU you select for the amount of its own (discrete) DDR5 memory on the GPU (card). > So on the whole, my experience with higher-end Dell is that hardware is > pretty much well-supported across the boards with very few gotchas. The > only two exceptions would be wifi cards (cheap to fix) and maybe GPU > co-processor (if you are unlucky to get an unsupported cutting edge one > and need to wait a bit for Linux support to catch up). I'd check around on the precise details of the GPU before purchase. Some GPU use the general system ram, and that is a severe (buss-bandwidth) bottleneck that really dampens performance on many softwares. The looming gcc-5 is a game changer on using video resources, as general system resources... hth, James
[gentoo-user] Re: Qt Creator on start up - "Welcome Mode Load Error"
On 06/21/2015 07:38 AM, Andrew Lowe wrote: > I then had a look at the Creator ebuild and it says: > > # minimum Qt version required > 38QT_PV="5.3.2:5" Only qt-creator-3.4.1 requires qt5, so your fix would be to install one of the earlier versions of qt-creator. Are you trying to mix stable and unstable packages, maybe? (I do this all the time knowing that I will have problems like the one you describe but I do it anyway. No fool like and old fool, etc.
[gentoo-user] Re: purchasing a dell laptop
On 06/21/2015 12:30 PM, Alan McKinnon wrote: > I've used nothing bur Dell laptops for 10 years (currently on #5), and > I've yet to run into any hardware support issues. Did you replace them because they broke? You wanted the latest trendy color? What's the real story here? You know you want to tell us :) BTW, what happened to the old ones?
Re: [gentoo-user] Re: Profile listings
On Sunday 21 Jun 2015 22:02:02 Alan McKinnon wrote: > portage for a long long time went in /usr/portage because that's where > FreeBSD put it, and drobbins was mightily enthralled by FreeBSD. > > But it's a stupid place for it to go on Linux and most of the sane > technical Gentoo world agrees it really is a better fit in /var/portage. > However, due to a highly unlikely confluence of the phases of the moon > and an oddly-painted bikeshed (aquamarine with ochre polka dots), no-one > seems to have ever gotten around to actually fixing it once and for all > everywhere. > > Bottom line: folks will see both in real life. > Procedure: If you have the one, and see the other, then just change the > top-level dir in what you see. Or, as I do, put it in its own partition and you can mount it wherever you like. Just point make.conf and repos.conf/gentoo.conf at it. Actually, using LVM on RAID-1 I have portage, packages and distfiles all in their own partitions; just three of 15 under /dev/vg7. -- Rgds Peter
Re: [gentoo-user] SSDs with TRIM issues
On Wed, Jun 17, 2015 at 12:24:55PM +1000, Adam Carter wrote:
> /* devices that don't properly handle queued TRIM commands */
> Micron_M500*
> Crucial_CT*M500*
> Micron_M5[15]0*
> Crucial_CT*M550*
> Crucial_CT*MX100*
> Samsung SSD 8*
>
> from drivers/ata/libata-core.c
Then read further:
* Whitelist drives that are known to reliably return zeroes
* after TRIM.
* The intel 510 drive has buggy DRAT/RZAT. Explicitly exclude
* that model before whitelisting all other intel SSDs.
*/
{ "INTEL*SSDSC2MH*",NULL, 0, },
{ "Micron*",NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Crucial*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "INTEL*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "SAMSUNG*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "ST[1248][0248]0[FH]*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }
> More info:
> http://linux.slashdot.org/story/15/06/16/201217/trim-and-linux-tread-cautiously-and-keep-backups-handy
>
> Also, my samsung 840 is slow (multisect is off and cant be enabled with
> hdparm). Tried update the bios but the boot cd crashed on my machine (AMD
> chipset related) so i will have to put it in another machine and try
> again...
>
> Samsung EVOs also have a firmware bug that causes them to slow down.
I chose long ago not to use queued TRIM (when OCZs were the rage).
>From a cursory read this sounds like *only* ext4 fs. I have XFS on all my
SSDs. Two are Samsung 840 Pro Series, and 850 Pro Series. The 840 I've had
over a year and it is golden. The 850 I've had only a couple of months, and
due to work requirements it is running Windows atm. Still, there is nothing
like what I read in this article happening with either.
I also have a Micron C400 RealSSD mSATA 32GB -- no problems with it, either.
It's running Funtoo atm with VFAT /boot for UEFI, swap, all other XFS.
Re: [gentoo-user] SSDs with TRIM issues
On Wed, Jun 17, 2015 at 03:16:16PM -0400, Rich Freeman wrote: > > Also, I don't know which stable kernels have the blacklist. It > doesn't look like this list is in 3.18.14 which is the most recent > longterm in Gentoo (3.18.15 is out but not yet in gentoo-sources). I > went ahead and disabled fstrim and discard in the meantime. mingdao@headache ~ $ uname -a Linux headache 4.0.5 #1 SMP Mon Jun 15 17:36:18 CDT 2015 x86_64 Intel(R) Core(TM) i7-4712HQ CPU @ 2.30GHz GenuineIntel GNU/Linux This one has the blacklist, but all my kernel source comes from kernel.org
[gentoo-user] PPPoE ADSL modem choice
Hello list, Not long ago I bought an Asus DSL-N14U and I've been impressed by its abilities, especially since it's quite cheap. One feature I particularly like is its guest networks (I have a lady of advanced years* next-door), of which it can establish three. But its logging feature is woefully limited, whether remote or local: I get lots of empty or incomplete log entries, which Asus says it can't improve. It has a few other minor bugs too. Does anyone here know of a "professional" version of this modem, or an equivalent? I mean one that does the whole job, not just what it needs to do to get past the marketing department**. I'd like proper logs, and finer control over what traffic is allowed between wired and wireless LANs, and to/from the WAN of course. Even suitable Google search terms would be good. PPPoA is not used here in the UK as far as I know. * Even more advanced than mine, and maybe even Walt's, and she suffers from some other effects of age too (don't we all who are past Alec's tender years?). ** [OT] I once saw an entire company destroyed by its marketing department. "Trust me, my boy," they said. They knew that all customers require ad-hoc additions and alterations during the course of the project, which when added up made them a profit. Wrong! We had a water-tight functional spec, complete with minimum acceptable response times, and we insisted on a director-level change-control board. Bad, bad news for them. They could see the writing on the wall but they thought they knew better. How stupid can anyone be? Anyone heard of Empros? -- Rgds Peter
Re: [gentoo-user] new scanner : any advice ?
Here's HP's recommended list if you choose to go that way http://hplipopensource.com/hplip-web/recommended.html And for supported: http://www.hplipopensource.com/hplip-web/supported_devices/index.html
Re: [gentoo-user] new scanner : any advice ?
150622 Adam Carter wrote: > Here's HP's recommended list if you choose to go that way > http://hplipopensource.com/hplip-web/recommended.html > And for supported: > http://www.hplipopensource.com/hplip-web/supported_devices/index.html Thanks for trying, but those are printers. My small HP printer is capable of scanning too, but there's no Linux driver to do that. -- ,, SUPPORT ___//___, Philip Webb ELECTRIC /] [] [] [] [] []| Cities Centre, University of Toronto TRANSIT`-O--O---' purslowatchassdotutorontodotca
Re: [gentoo-user] new scanner : any advice ?
150621 Bruce Hill wrote: > On Sun, Jun 21, 2015 at 07:02:39AM -0400, Philip Webb wrote: >> My trusty 12-year-old scanner is starting to show signs of age : >> I'm inclined to get another Epson, but would consider something else. >> Does anyone have experience with these or have any advice to offer ? > HP is the only desktop printer/scanner/etc that I've used in years, > because their Linux support is great. > My home use HP Officejet Pro 8600 N911g has an embedded web server, > so I only need enter it's IP in a web browser and scanning is easy. The local store, whose hardware has been very reliable for 15 yr , doesn't have any HP scanners in stock in my price-range, whereas it has 6 Epsons at present. > You might need more, but in the past all my Linux experience > with Epson hardware/drivers was negative. There's a problem with the driver of my present scanner (sometimes it gets confused & makes the R-half of the image darker), but that's quickly solved by restarting Xsane. It's done an excellent job with documents, photo prints, negatives + slides, by now in the many thousands of images altogether. > Check the LinuxQuestions.org HCL: http://www.linuxquestions.org/hcl/ Most of these are long out-of-date, perhaps indicating that most users now expect equipment to be problem-free with Linux. Any other advice wb very welcome. Thanks for all the replies so far. -- ,, SUPPORT ___//___, Philip Webb ELECTRIC /] [] [] [] [] []| Cities Centre, University of Toronto TRANSIT`-O--O---' purslowatchassdotutorontodotca
Re: [gentoo-user] new scanner : any advice ?
On Mon, Jun 22, 2015 at 3:09 PM, Philip Webb wrote: > 150622 Adam Carter wrote: > > Here's HP's recommended list if you choose to go that way > > http://hplipopensource.com/hplip-web/recommended.html > > And for supported: > > http://www.hplipopensource.com/hplip-web/supported_devices/index.html > > Thanks for trying, but those are printers. > "HP Linux Imaging and Printing", then you have to join the dots. > My small HP printer is capable of scanning too, > but there's no Linux driver to do that. So depending on your needs and requirements, you may be interested in selecting a printer with a tick in the Scan column.
Re: [gentoo-user] Re: purchasing a dell laptop
On 22/06/2015 01:43, walt wrote: > On 06/21/2015 12:30 PM, Alan McKinnon wrote: >> I've used nothing bur Dell laptops for 10 years (currently on #5), and >> I've yet to run into any hardware support issues. > > Did you replace them because they broke? You wanted the latest trendy > color? What's the real story here? You know you want to tell us :) > > BTW, what happened to the old ones? > > #1 belonged to SYbase where I worked at the time, and I moved on #2 belonged to LSD where I worked at the time, and I moved on #3 was mine, an M1540. Lovely machine but had one of those faulty nVidia cards from 7 years ago where the chip separates from it's substrate. I still have it, breaks my heart to throw it away :-) #4 was an M4600, developed a weird fault that Dell had never heard of, so they replaced it under warranty with #5 is the current M4800, still going strong The wife got an M4600 same time I did (we worked at the same place) and she's since upgraded to a ThinkPad courtesy of the company scheme. I have plans for that machine but she made me promise to tidy up my study and do something with the hundreds of books lying around before I can get my mitts on it :-((( -- Alan McKinnon alan.mckin...@gmail.com
Re: [gentoo-user] PPPoE ADSL modem choice
On Monday 22 Jun 2015 02:49:24 Peter Humphrey wrote: > Hello list, > > Not long ago I bought an Asus DSL-N14U and I've been impressed by its > abilities, especially since it's quite cheap. One feature I particularly > like is its guest networks (I have a lady of advanced years* next-door), > of which it can establish three. But its logging feature is woefully > limited, whether remote or local: I get lots of empty or incomplete log > entries, which Asus says it can't improve. It has a few other minor bugs > too. > > Does anyone here know of a "professional" version of this modem, or an > equivalent? I mean one that does the whole job, not just what it needs to > do to get past the marketing department**. I'd like proper logs, and finer > control over what traffic is allowed between wired and wireless LANs, and > to/from the WAN of course. Even suitable Google search terms would be > good. == Have you tried to flush it with tomato, OpenWRT, or equivalent firmware? http://tomato.groov.pl/?page_id=69 Yours is not listed on the suitable hardware list and I wouldn't jump to the conclusion that it is a rebadged Linksys, so you better check with their forums/ML/IRC before you end up bricking it. > PPPoA is not used here in the UK as far as I know. PPPoA has been used in ADSL provided by BT local exchanges from the start. Later on BT upgraded their exchanges and PPPoE was made available, but PPPoA was retained for backward compatibility. For some reason AOL required PPPoE instead of PPPoA. PPPoE has a bigger header due to the additional encapsulation of ATM into Ethernet packets, so not as efficient as PPPoA which contains PPP directly within the ATM cells. I believe that FTTC uses IPoE, but I haven't looked into it, because it won't be available where I am for a while yet. For more advance hardware you could look at: http://routerboard.com/ http://www.firebrick.co.uk/products_2500.php or even Rasberry Pi2 alternatives, some of which come with two ethernet ports and can be used as routers if you set up your old router as a bridged modem. -- Regards, Mick signature.asc Description: This is a digitally signed message part.
