Re: How do I make a circular pipe?

2001-04-14 Thread bert hubert
On Sat, Apr 14, 2001 at 10:44:46AM -0700, Rob Landley wrote: > Info. Never thought to check info. Here I am > checking linuxdoc's howtos, man pages, and google... > Sigh... I don't suppose there's an info2html tool > anywhere? 'pinfo' can also be very useful - looks a lot like lynx, but proc

Re: random PID generation

2001-02-22 Thread bert hubert
On Thu, Feb 22, 2001 at 04:35:35PM +0100, Heusden, Folkert van wrote: > Hi, Hi Folkert! > I wrote a patch against 2.2.18 and 2.4.1 to have the kernel generate > random PIDs. You can find it at http://vanheusden.com/Linux/security.php3 > (amongst other patches). Beware: pretty much experimental a

Re: random PID generation

2001-02-23 Thread bert hubert
tly, there are problems if your dt*pps product is bigger than 32000, which in practice won't ever happen. Regards, bert hubert -- http://www.PowerDNS.com Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating c

Re: rsync over ssh on 2.4.2 to 2.2.18

2001-02-27 Thread bert hubert
On Tue, Feb 27, 2001 at 11:18:39AM +0100, Rasmus Andersen wrote: > terminate, apparently because the child does not receive the KILLUSR1 > (wild speculation)? Anyways, the parent process waits in wait4 and > the child loops, waiting for the signal. This is not reproducable > in 2.2.X (for me). r

ftruncate not extending files?

2001-03-01 Thread bert hubert
d a file - especially useful in combination with mmap(). I don't really care where it is done, in glibc or in the kernel - but let's honor this convention and not needlessly break code. Regards, bert hubert -- http://www.PowerDNS.com Versatile DNS Services Trilab

Re: my first post to the list - newbie alert

2001-03-03 Thread bert hubert
On Sat, Mar 03, 2001 at 11:52:22AM -0800, Peter Jay Salzman wrote: > is there a more suitable mailing list for me to sign up for? debian has a > mailing list both for package maintainers and those who are trying to learn > how to be package maintainers. > > is there a similar thing with the ker

Re: my first post to the list - newbie alert

2001-03-03 Thread bert hubert
On Sat, Mar 03, 2001 at 08:59:27PM +, James A. Sutherland wrote: > > Another great place to ask questions is on irc, see > > http://www.kernelnewbies.org > > Also try the techtalk mailing list on linuxchix - www.linuxchix.org, IIRC. > A good place to ask "newbie" questions without being told

Re: my first post to the list - newbie alert

2001-03-03 Thread bert hubert
On Sat, Mar 03, 2001 at 10:20:02PM +, Alan Cox wrote: > > > Also try the techtalk mailing list on linuxchix - www.linuxchix.org, IIRC. > > > A good place to ask "newbie" questions without being told to RTFM! > > > > You might even score! > > Of course its attitudes like that which leads them

Re: a linux qos mailing list

2001-01-16 Thread bert hubert
ons the LARTC mailinglist and archive. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet - To unsubscribe from this list: send the line "unsubs

Re: eepro100 error messages

2001-01-17 Thread bert hubert
> resources even at high loads? > > I'm using kernel version 2.2.14. Try using 2.2.18 - lots of work has been done to get the eepro100 working properly. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology P

Re: [Lse-tech] Re: multi-queue scheduler update

2001-01-19 Thread bert hubert
chine :-) Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet - To unsubscribe from this list: send the line "unsubscribe linux-kernel&qu

Re: Please send Changelog info and patch notices for the test and -pre releases.

2000-11-18 Thread bert hubert
on of new kernel prepatches leads to more downloading and testing - perhaps Peter can script further and automate announcements here? Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!

2.4 sendfile() not doing as manpage promises?

2000-11-18 Thread bert hubert
to send files from blockdevices which support mmap()-like functionality. Is this correct? In that case, the wording of the manpage needs to be changed, as it implies that 'either or both' of the filedescriptors can be sockets. Regards, bert hubert -- PowerDNS Ve

Re: 2.4 sendfile() not doing as manpage promises?

2000-11-18 Thread bert hubert
out_fd can be a file or socket. My manpages must be outdated then, my manpage is from 1 Dec 1998. Thanks for the correction. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - t

Re: 2.4 sendfile() not doing as manpage promises?

2000-11-19 Thread bert hubert
edescriptor opened for reading and out_fd should be a descriptor opened for writing. Because this copying is done within the kernel, sendfile() does not need to spend time transfering data to and from userspace. Regards, bert hubert -- PowerDNS V

Re: [patch] Remove tq_scheduler

2000-11-20 Thread bert hubert
atches on a properly configured site. The site > admins have all ICMP packets blocked on www.uow.edu.au so you are a PMTU > blackhole and unreachable via my tunnel. Or configure your host to do MSS Clamping. I have a similar situation over here and no problems. Regards, bert hubert --

Re: [PATCH] removal of "static foo = 0"

2000-11-26 Thread bert hubert
ated note, I seem to remember that back in the dark ages, the BSS wasn't cleared. It said so somewhere in the Kernel Hackers Guide, I think. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|

SO_RCVTIMEO and SO_SNDTIMEO implemented? manpage says no, kernel yes?

2000-11-30 Thread bert hubert
ernel at least does some of the work. Does anybody know if these socket options work as they should under Linux, and if so, which versions? I might even whip up a better entry for the manpage if given enough data. Regards, bert hubert -- PowerDNS Versatile DNS Services T

2.4.0-test8-pre1 is quite bad / how about integrating Rik's VM now?

2000-09-02 Thread bert hubert
d be a stability decrease for current 2.4.0 production users. Developers however will have lots more chances to improve the new VM and submit patches. Linus, please consider working with Rik whenever they feel ready for an experimental merge. Regards, bert hubert -- |

Re: 2.4.0-test8-pre1 is quite bad / how about integrating Rik's VM now?

2000-09-02 Thread bert hubert
enough. Currently, any VM patches receive little testing and are therefore in danger of being either over- or underengineered, or being tailored too much for one single purpose. Please consider the pre-patch scenario. Regards, bert hubert -- |

Re: Linux 2.2 - BSD/OS 4.1 ARP incompatibility

2000-09-03 Thread bert hubert
ere is this file? A cursory glance at both my /proc tree and my kernel tree doesn't find it. It may still be there, but where? I would very much like to document it, both for the Documentation/ directory as for the advanced routing & shaping HOWTO at http:

Re: Linux 2.2.18pre4

2000-09-11 Thread bert hubert
NFS has some influence on bugreports but the crosstalk should be minimal. I just merged a chunk of code in my non-open source project and I now feel that I waited far too long. The same might go for NFS. Regards, bert hubert --

Re: test9-pre1

2000-09-16 Thread bert hubert
we do it the less > traumatic it will end up being. Thanks go out to everybody involved. I can cease my whining now :-) Regards, bert hubert -- PowerDNS Versatile DNS Services | - U N I X - Trilab The Technology People | - To unsubscribe

TCP_DEFER_ACCEPT possible bug + documentation patch for tcp.7

2000-10-21 Thread bert hubert
On Sat, Oct 21, 2000 at 08:50:54AM +0200, Andi Kleen wrote: > Linux 2.4 has the "dataready" filter in form of the (currently undocumented) > TCP_DEFER_ACCEPT option. Patch follows beneath. On a related note, I'm not sure if this is right (connecting to a daemon using TCP_DEFER_ACCEPT) # tcpdump

Re: TCP_DEFER_ACCEPT possible bug + documentation patch for tcp.7

2000-10-22 Thread bert hubert
umented. >From a userland perspective, it works very well. It just wastes packets. > Sorry for advertising it as a working feature. The fix should be easy. I'm looking in to it. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab

Re: TCP_DEFER_ACCEPT possible bug + documentation patch for tcp.7

2000-10-22 Thread bert hubert
eady filter) applies only > to sessions, which expect some data from client as beginning > of transaction. F.e. HTTP. Of course, but I see no reason to send spurious SYNACKs which have clearly been ACKed. I am but a humble amateur in TCP/IP matters, so please explain your reasoning. Regard

Re: TCP_DEFER_ACCEPT possible bug + documentation patch for tcp.7

2000-10-22 Thread bert hubert
packets doesn't seem like the way to solve this problem. I know it complicates the kernel, but if we do connection preprocessing, shouldn't we also do teardown in case of timeout? Thanks for the explanation. Regards, bert hubert -- PowerDNS Versatile DNS Services

Re: TCP_DEFER_ACCEPT possible bug + documentation patch for tcp.7

2000-10-22 Thread bert hubert
rvers, the repeated SYNACKs suggest packet loss, but I guess we'll have to live with that. Thanks again for the explanation. The manpage patch remains correct, so Andries, please apply. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab

Re: Anything in Linux similar to FreeBSD accept filter (fwd)

2000-10-23 Thread bert hubert
ne on all Linux versions. It will return an error on kernels not supporting it, but no harm will be done. So it can be a runtime option. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!

Re: Dual XEON - >>SLOW<< on SMP

2000-11-02 Thread bert hubert
is now running lovely. Your very rare problem was solved in 3 hours and 50 minutes. Most commercial support shops try and fail to deliver 4 hour response times - this makes me feel warm inside :-) Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab

Re: Loadavg calculation

2000-11-05 Thread bert hubert
has been up, and how many jiffies have been spent by the idle task. If you take the derivative if the idle jiffies, you get the percentage idle time. You might also try to measure directly how much time is spent in the idle task (0). Regards, bert hubert -- PowerDNS Versa

Re: gigabit ethernet small-packet performance

2000-11-05 Thread bert hubert
ul subset of C++ that might one day be. See for example http://www.caravan.net/ec2plus/ Oh, and please let us not launch another huge discussion about this subject. I just want to state that having a closed mind is not going to help us. Regards, bert hubert -- PowerDNS V

congrats! Re: test11-pre1

2000-11-07 Thread bert hubert
cussed on the list. Shouldn't you be having a party right now? Anyhow, congratulations so far with the IPO, also to hpa & cow-orkers. I hope the stock still does as well after 6 months :-) Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab

(non)importance of loadaverages

2000-11-11 Thread bert hubert
will keep lots of different processes busy and raise my loadaverage wildly. Do you now state that the second situation is somehow 'worse'? Feel free however to stop using Linux. Or to quote the document Al refered to 'See figure 1'. Kind regards, bert hubert -- PowerDNS

[PATCH] Re: TCP_DEFER_ACCEPT possible bug + documentation patch for tcp.7

2000-10-22 Thread bert hubert
On Sun, Oct 22, 2000 at 02:03:37PM +0200, bert hubert wrote: > From a userland perspective, it works very well. It just wastes packets. > > > Sorry for advertising it as a working feature. > > The fix should be easy. I'm looking in to it. This patch fixes TCP_DEFER_AC

USB 2.4.0test13-pre1 pci latency changes to 0?! stops working

2000-12-15 Thread bert hubert
[skip to the end for syslog snippet, full dmesg and lspci -v -v -v output & .config] Hi, I'm fighting my PPro200 desktop to get it to support the USB pci card I just bought. At first the entire computer became instable but choosing CMD640 chipset support solved that problem. But now I find that

Re: usb broken in 2.4.0 test 12 versus 2.2.18

2000-12-18 Thread bert hubert
t. It is able to list filenames though. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet - To unsubscribe from this list: send the line "unsu

Re: Mount system call hangs up the system

2000-12-21 Thread bert hubert
l. Just put a breakpoint in sys_mount(), or whatever it is called and see what happens. Linus is dead set against using a debugger in daily development but it is a very valuable tool for quickly gaining insight. Regards, bert hubert -- PowerDNS Versatile DNS Services Trila

[patch] vmfixes-2.4.0-test9-B2 - fixing deadlocks

2000-09-24 Thread bert hubert
ng to revert the merge, but let's work at it a bit longer. There are problems, but we are solving them rapidly and both performance and design of the new MM are pretty pleasing. Let's not waste this opportunity. Regards, bert hubert [1] bad performance is not often attributed to the L

Re: [patch] vmfixes-2.4.0-test9-B2 - fixing deadlocks

2000-09-25 Thread bert hubert
uned so a lots of ordinary cases showed acceptable performance. We now have an elegant VM that works reasonably well, but needs more tweaking. What is the point of all this ranting? Think twice before embarking on 'rivaling virtual memory' code. Energies spent on Rik's VM will yield far

Re: SparcLinux on Sun E10000

2000-09-27 Thread bert hubert
On Wed, Sep 27, 2000 at 05:28:49PM +1100, Anton Blanchard wrote: > Memory: 23824288k available (1352k kernel code, 240k data, 72k init) >[f800,0012ffc9a000] This must be some kind of record. -- PowerDNS Versatile DNS Services Trilab

Re: Soft-Updates for Linux ?

2000-10-01 Thread bert hubert
I heard from 'El Penguino' is that some of the new breed of filesystems may even be considered for 2.4.n, for some non-zero but finite value of n. If Rik gets some kind of memory pressure callback API in the kernel, there is no theoretical reasons why the journalling filesy

Re: Window Scale Option broken in 2.2.x

2000-10-06 Thread bert hubert
On Fri, Oct 06, 2000 at 07:56:15PM -0400, Lawrence MacIntyre wrote: > Hi: > > The window scale option doesn't appear to work in 2.2.16, 2.2.17, and > 2.2.18. I've got an old 2.2.5 machine and it doesn't work either. Is > this supposed to work? There is code in the kernel to do the window > sca

Re: Window Scale Option broken in 2.2.x

2000-10-06 Thread bert hubert
On Sat, Oct 07, 2000 at 02:53:27AM +0200, bert hubert wrote: > On Fri, Oct 06, 2000 at 07:56:15PM -0400, Lawrence MacIntyre wrote: > > Hi: > > > > The window scale option doesn't appear to work in 2.2.16, 2.2.17, and > > 2.2.18. I've got an old 2.2.5 ma

Re: [PATCH] VM fix for 2.4.0-test9 & OOM handler

2000-10-09 Thread bert hubert
abytes we can fill with all messages about an OOM killer. I remember threads about this from '94 onwards. Perhaps we can finally have a sane one now :-) Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'S

big ECN push

2000-10-13 Thread bert hubert
rgument - and it shouldn't be that hard. Write some articles on how Linux is innovating, and how Cisco and others are standing in the way of progress. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'S

Re: big ECN push

2000-10-14 Thread bert hubert
ther equipment also needs to cooperate. In other words, we're not there yet. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet - To unsubs

Re: kernel 2.4.2 network performances

2001-03-16 Thread bert hubert
On Thu, Mar 15, 2001 at 03:42:37PM +0200, Sampsa Ranta wrote: > Yesterday I discovered that the load I can throw out to network seems to > depend on other activities running on machine. I was able to get > throughput of 33M/s with ATM when machine was idle, while I compiled > kernel at same time,

right way to export VM data to userspace for a performance tool

2001-03-18 Thread bert hubert
Hi everybody, I want to write a tool that can extract information from the kernel about the VM situation. Conceptually, I want something that looks like this: # cacheinfo /var/mysql/data/powerdns/records.MYD 75% of blocks in memory 12% dirty # cacheinfo -d -v /var/mysql/data/powerdns/records.MYD

Re: Is sendfile all that sexy?

2001-01-25 Thread bert hubert
se. >From a kernel coders perspective, possibly. But a lot of SMB details are pretty convoluted. Statemachines may produce more efficient code but can be hell to maintain and expand. Bugs can hide in lots of corners. Regards, bert hubert -- PowerDNS Versatile DNS Se

Re: Vanilla 2.4.0 ext2fs error

2001-01-31 Thread bert hubert
On Wed, Jan 31, 2001 at 06:21:04PM +0100, Igmar Palsenberg wrote: > Jan 31 18:01:57 base kernel: EXT2-fs error (device ide0(3,71)): > ext2_new_inode: > reserved inode or inode > inodes count - block_group = 0,inode=1 does fsck run on this fs find any errors? > Igmar Palsenberg > JDI Media Solut

Re: drive/block device write scheduling, buffer flushing?

2001-01-31 Thread bert hubert
On Wed, Jan 31, 2001 at 11:52:25AM -0500, Nathan Black wrote: > I was wondering if there is a way to make the kernel write to disk faster. > I need to maintain a 10 MB /sec write rate to a 10K scsi disk in a computer, > but it caches and doesn't start writing to disk until I hit about 700 MB. At

how to use and get raw devices

2001-01-31 Thread bert hubert
some documentation can be found on ftp://ftp.linux.org.uk/pub/linux/sct/fs/raw-io/raw-19990728.tar.gz AFAIK you don't need any patches anymore if you run 2.4 or a recent 2.3. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab

Re: Linuxrc runs with PID 7

2001-01-31 Thread bert hubert
based on its pid of 1. If you are PID 1, make sure that you handle SIGCHLDs etcetera from daemons. Check the source of init, I suspect it does something which tells the kernel 'I am your init'. Regards, bert hubert -- PowerDNS Versatile DNS Services Trilab

Re: AOE and large filesystems?

2005-04-06 Thread bert hubert
On Tue, Apr 05, 2005 at 07:07:46PM -0400, Jeff Garzik wrote: > As a tangent, I'd also like to see iSCSI over SCTP. http://ds9a.nl/klogbot/?year=2005&month=3&day=21&hour=12.5 See conversation between 'nab_' and ahu (me). -- http://www.PowerDNS.com Open source, database driven DNS Software

Re: Kernel SCM saga..

2005-04-06 Thread bert hubert
On Wed, Apr 06, 2005 at 11:39:11PM +0400, Paul P Komkoff Jr wrote: > Monotone is good, but I don't really know limits of sqlite3 wrt kernel > case. And again, what we need to do to retain history ... I would't fret over that :-) the big issue I have with sqlite3 is that it interacts horribly with

Re: more git updates..

2005-04-10 Thread bert hubert
On Sun, Apr 10, 2005 at 03:38:39PM -0700, Linus Torvalds wrote: > compressed with zlib, they are all named by the sha1 file, and they all Now I know this is a concious decision, but recent zlib allows you to write out gzip content, at a cost of 14 bytes I think per file, by adding 32 to the wind

Re: iproute/iptables best?

2005-04-13 Thread bert hubert
On Wed, Apr 13, 2005 at 11:35:12PM -0400, Gene Heskett wrote: > How can we make the reply to an action go back out through the route > it came in on? As it exists, queries, ssh sessions etc coming in > thru a vpn from one router are being replied to on the default > gateways card that hits the

Re: MD / RAID5: Memory leak?

2005-04-15 Thread bert hubert
On Fri, Apr 15, 2005 at 10:00:39AM +0200, Eduard de Boer wrote: > I use rsync to copy a bunch of files (several GB's) to the designated > filesystems. But after a while, all file systems get corrupted and > 'dmesg' lists all kinds of memory corruptions in 'dm' and so on. > Hence, the file copying s

Re: [craigl@promise.com: Getting A Patch Into The Kernel] (fwd)

2001-06-12 Thread bert hubert
and that no amount of prodding, cajoling or legal pressure will get any company anywhere. That's just not the way. As we say "It's the code, stupid!". Good luck! Regards, bert hubert > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel&q

Re: threading question

2001-06-13 Thread bert hubert
On Tue, Jun 12, 2001 at 12:06:40PM -0700, Kip Macy wrote: > This may sound like flamebait, but its not. Linux threads are basically > just processes that share the same address space. Their performance is > measurably worse than it is on most commercial Unixes and FreeBSD. Thread creation may be

relayfs documentation sucks?

2005-07-16 Thread bert hubert
Ok, I'm working furiously on my OLS presentation (Wednesday, 3pm, be there), but I'm running into a wall with relayfs, which I intend to use to convey large amounts of disk statistics towards userspace. Now, I've read Documentation/filesystems/relayfs.txt many times over, and I don't get it. It a

[PATCH] Re: relayfs documentation sucks?

2005-07-17 Thread bert hubert
On Sat, Jul 16, 2005 at 06:13:55PM -0500, Tom Zanussi wrote: > relayfs itself only provides the buffering and file operations along > with the kernel API for clients as documented in > Documentation/filesystems/relayfs.txt. Applications still need some > kind of communication between the kernel a

Re: [PATCH] Re: relayfs documentation sucks?

2005-07-17 Thread bert hubert
On Sun, Jul 17, 2005 at 10:43:40AM -0500, Tom Zanussi wrote: > It is racey - in this mode, there's nothing to keep the kernel from > writing as much as it wants before the user side has a chance to read > any of it. The only way this can be used safely is to make sure the > kernel side isn't writ

Re: [PATCH] Re: relayfs documentation sucks?

2005-07-20 Thread bert hubert
> > When I'm debugging something requiring detailed tracing, I don't want > to have to think about whether the tracing tool has the particular > behaviour, performance, data loss, and other such characteristics > needed for my immediate needs. It is easier to code up some little > ad hoc mechanis

fastboot, diskstat

2005-07-21 Thread bert hubert
Hi Andrew, I'm currently at OLS and presented http://ds9a.nl/diskstat yesterday, which also references your ancient 'fboot' program. I've also done experiments along those lines, and will be doing more of them soon. You mention it was a waste of time, do you recall if that meant: 1) that the t

relayfs as infrastructure, ltt, systemtap, diskstat

2005-07-22 Thread bert hubert
On Fri, Jul 22, 2005 at 01:01:32PM -0700, Paul Jackson wrote: > Another vote in favor of relayfs here ... At OLS the 'SystemTAP' idea was presented, which has been partially implemented already, and it builds on relayfs as well. It dovetails nicely with kprobes. So it appears there is a sizeable

Re: select() efficiency

2005-07-22 Thread bert hubert
On Fri, Jul 22, 2005 at 04:18:46PM -0500, Davy Durham wrote: > Please forgive and redirect me if this is not the right place to ask > this question: > > I'm looking to write a sort of messaging system that would take input > from any number of entities that "register" with it.. it would then >

diskstat 0.1: simple tool to study io patterns via relayfs

2005-07-23 Thread bert hubert
It is with distinct lack of pride that I release version 0.1 of diskstat 'Geeks in Black Thorn', a tool that allows you to generate the kinds of graphs as presented in my OLS talk 'On faster application startup times: Cache stuffing, seek profiling, adaptive preloading'. The lack of pride is becaus

do_gettimeofday monotony?

2005-07-24 Thread bert hubert
Is do_gettimeofday supposed to be monotonous? I'm seeing time go backward by tiny amounts, and then progressing. I'm using do_gettimeofday on a single processor, CONFIG_PREEMPT_NONE=y, and saving stuff from generic_make_request - see http://ds9a.nl/diskstat for the source. 2.6.13-rc3-mm1, HZ=250.

Re: diskstat 0.1: simple tool to study io patterns via relayfs

2005-07-25 Thread bert hubert
On Mon, Jul 25, 2005 at 03:56:48AM -0400, Sonny Rao wrote: > Hi, I had some trouble compiling it, I figured out that one needs > libboost, but then I've also discovered that g++-3.4.4 and g++-4.0.1 > don't want to compile it while g++-3.3.5 works. (FYI, all of these were > Ubuntu versions) Yes, y

Re: do_gettimeofday monotony?

2005-07-25 Thread bert hubert
On Mon, Jul 25, 2005 at 11:12:25AM -0400, Christopher Friesen wrote: > >Is do_gettimeofday supposed to be monotonous? > > Nope. > > > I'm seeing time go backward by tiny amounts, and then progressing. > > Are you running NTP? Corrections could cause this. No. I am running a machine which often

Re: Development Model

2005-04-19 Thread bert hubert
> that (at least for now) no *MAJOR* "rip it out, stomp on it, burn it and > start over" parts of the kernel exist any longer? In other words, do you These ideas continue to exist. This is partly due to increasing skills of developers but also to the changing environment. You'll find literally s

Re: [PATCH] Re: relayfs documentation sucks?

2005-07-25 Thread bert hubert
On Mon, Jul 25, 2005 at 07:47:45PM -0400, Karim Yaghmour wrote: > Now if only I could remember what I talked about after I left the Black > Thorn at 2h45am and the guy in the elevator at Les Suites pressed on a > button and said "'M' for more beer" ... I bet in involved 'M' for more markers, Kari

Re: Why dump_stack results different so much?

2005-07-29 Thread bert hubert
On Fri, Jul 29, 2005 at 04:27:16PM -0400, Xin Zhao wrote: > I supprisely noticed that the dump_stack results are quite different! > Why did I get the calling traces below our_ssy_open() and above > syscall_call()? Any thought on this? Many thanks! This might depend on compiling with frame pointer

Re: Why dump_stack results different so much?

2005-07-29 Thread bert hubert
On Fri, Jul 29, 2005 at 05:00:20PM -0400, Xin Zhao wrote: > Thanks for your reply. > > Below is the code that print the kernel calling trace: Can I suggest just turning on frame pointers like I suggested? If you say Y here the resulting kernel image will be slightly larger and slower, but it

Re: Why dump_stack results different so much?

2005-07-30 Thread bert hubert
On Fri, Jul 29, 2005 at 08:10:32PM -0400, Xin Zhao wrote: > Thanks. I will try. The only problem I have right now is I am using > Xenolinux instead of standard Linux kernel, I cannot see the option to > enable the frame pointer. But I will figure out how to enable that. If you ever report somethi

Re: Segfaults in mkdir under high load. Software or hardware?

2005-08-03 Thread bert hubert
On Wed, Aug 03, 2005 at 02:14:03PM +0200, Jules Colding wrote: > I am experiencing segfaults in mkdir, and mkdir alone, under high load. I've seen errors like these happen, and they were kernel bugs. > [0.00] Bootdata ok (command line is root=/dev/sda4 vga=0x31B > video=vesafb:mtrr,ywrap

Re: select() efficiency / epoll

2005-08-23 Thread bert hubert
On Tue, Aug 23, 2005 at 04:49:14AM -0500, Davy Durham wrote: > However, I'm getting segfaults because some pointers in places are > getting set to low integer values (which didn't used to have those values). epoll is pretty heavily benchmarked and hence tested. I don't entirely understand the re

Re: Brand-new notebook useless with Linux...

2005-09-04 Thread bert hubert
On Sat, Sep 03, 2005 at 06:58:00PM -0400, Chuck Ebbert wrote: > I just bought a new notebook. Here is the output from lspci using the latest > pci.ids file from sourceforge: I'd suggest researching before buying. -- http://www.PowerDNS.com Open source, database driven DNS Software http://

fuse is cool and robust

2005-03-20 Thread bert hubert
Miklos, Andrew, I'm wondering what the status of Fuse is wrt to 2.6.12 or 2.6.13, especially since the code is (now) perfectly orthogonal. I just spent a short amount of time setting up and trying to break fusefs and some of the filesystems based on it, and I did not succeed (in breaking it). S

Re: fuse is cool and robust

2005-03-20 Thread bert hubert
On Sun, Mar 20, 2005 at 10:55:15PM +0100, Jan Engelhardt wrote: > encfs being hard from kernel space? I've seen a whole cryptoloop in the > kernel. Can't be "hard". At least unpracticable. encfs is not cryptoloop - please follow the URL. -- http://www.PowerDNS.com Open source, database dr

Re: netdev-2.6 queue updated

2005-03-23 Thread bert hubert
On Tue, Mar 22, 2005 at 10:32:44PM -0500, Jeff Garzik wrote: > Wireless update, and various minor fixes. > > BK URL, patch URL, and changelog attached. Jeff, akpm can you predict if this will make 2.6.12? Especially the wireless & hostap stuff. > net/ieee80211/Kconfig

Re: FUTEX deadlock in ping?

2005-02-24 Thread bert hubert
On Thu, Feb 24, 2005 at 11:14:45AM +0100, J?rn Nettingsmeier wrote: > ever since moving to ldap for passwd/group/shadow/hosts lookup, ping to > a non-reachable host just freezes up and never returns: > > spunk:~ # strace ping herrnilsson > execve("/bin/ping", ["ping", "herrnilsson"], [/* 61 vars

Re: Alan Cox quote? (was: Re: accounting for threads)

2001-06-19 Thread bert hubert
On Tue, Jun 19, 2001 at 08:18:59PM +0100, Alan Cox wrote: > > But that foregoes the point that the code is far more complex and harder to > > make 'obviously correct', a concept that *does* translate well to userspace. > > There I disagree. Threads introduce parallelism that the majority of user

Re: intermittent hangs with threads (clone() bug?/linuxthreads bug?)

2001-06-20 Thread bert hubert
On Tue, Jun 19, 2001 at 05:23:48PM -0400, Ed Connell wrote: > If I run, for example, linuxthreads/Examples/ex1 (one thread prints 'a', >one prints 'b') it will run fine. If I run it from a shell script >(bash or ksh) with exec ex1 > it almost always hangs. When I do a "ps" I see the ori

Threads are processes that share more

2001-06-20 Thread bert hubert
, bert hubert -- http://www.PowerDNS.com Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of

Re: 2.2.19 locks up on SMP

2001-04-28 Thread bert hubert
On Sat, Apr 28, 2001 at 02:21:29PM -0700, Ion Badulescu wrote: > Hi Alan, > > Over the last week I've tried to upgrade a 4-CPU Xeon box to 2.2.19, but > the it keeps locking up whenever the disks are stresses a bit, e.g. when > updatedb is running. I get the following messages on the console: >

Re: X15 alpha release: as fast as TUX but in user space (fwd)

2001-05-04 Thread bert hubert
On Thu, May 03, 2001 at 09:19:15PM +0100, Alan Cox wrote: > If they are using glibc then you have the right to the object to link > with the library and the library source under the LGPL. I dont know of any > app using its own C lib qmail is nearly there. -- http://www.PowerDNS.com Versat

Re: Sending packets from within the kernel

2001-05-04 Thread bert hubert
On Fri, May 04, 2001 at 02:09:16PM -0700, [EMAIL PROTECTED] wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Hello, > > I am working on an kernel module which forwards TCP segments from one > interface to another (basic routing, no proxy or listener socket), but > which needs to be a

Re: Linux TCP impotency

2001-05-13 Thread bert hubert
On Sun, May 13, 2001 at 09:38:53PM +0200, [EMAIL PROTECTED] wrote: > Using 2.2.19 I discovered that running two simultaneous scp's (uses up whole > capacity in TCP traffic) on a 115200bps full duplex serial port nullmodem cable > causes the earlier started one to survive and the later to starve. R

2.4 To Pending Device Number Registrants

2001-05-15 Thread bert hubert
On Mon, May 14, 2001 at 11:58:39PM +0100, Alan Cox wrote: > Yet another 2.5 project. If Linus wants to go play with name driven devices > and you want to help him great, but if he'd care to put out > linux-2.5.0.tar.gz _before_ starting that would be good for all of us Well, that's one thing. 2.4

Re: 2.4 To Pending Device Number Registrants

2001-05-15 Thread bert hubert
On Tue, May 15, 2001 at 09:54:33AM +0100, Alan Cox wrote: > > So I would think that this block of new major number allocations holds for > > 2.5 and not 2.4. Also, if I'm correct, 2.4 won't be needing a lot of new > > major numbers anyhow. > > I wouldnt bet on that. Going to a 32bit dev_t interna

Re: 2.6.11-rc1-mm1 (and others): heavy disk I/O -> poor performance

2005-01-19 Thread bert hubert
On Tue, Jan 18, 2005 at 10:39:35PM +0100, Fabio Coatti wrote: > vmstat under load is the following, and config.gz attached. Of course I can > provide any other needed detail; many thanks for any hint. Looks mightily like DMA is not on, even though you compiled the PIIX driver in, which lists > 0

Re: IPv6 router advertisement broken on 2.6.20-rc5

2007-01-16 Thread bert hubert
On Tue, Jan 16, 2007 at 10:42:53PM +0100, Aurelien Jarno wrote: > I have just tried a 2.6.20-rc5 kernel (I previously used a 2.6.19 one), > and I have noticed that the IPv6 router advertisement functionality is Can you check if rc1, rc2, rc3 etc do work? Thanks. -- http://www.PowerDNS.com

Re: [PATCH] select: fix sys_select to not leak ERESTARTNOHAND to userspace

2007-01-22 Thread bert hubert
On Mon, Jan 22, 2007 at 11:24:06AM -0500, Neil Horman wrote: > The error was reported to me second hand. I'm expecting a reproducer > (although > to date, I'm still waiting for it, so I may have jumped the gun here). In > fact, I've asked for a repoducer weeks ago and nothing happened, nobody

Re: bcm43xx-softmac broken on 2.6.20-rc2

2006-12-26 Thread bert hubert
On Sun, Dec 24, 2006 at 09:51:50AM -0600, Larry Finger wrote: > This is a heads-up for anyone wishing to use bcm43xx-softmac on Linus's git > tree, which is now at > v2.6.20-rc2. There are two serious bugs in that code. Fixes are found below. For some reason your patch does not apply to stock 2.6

Re: PROBLEM: setup apm as module version 2.4.34

2006-12-29 Thread bert hubert
On Fri, Dec 29, 2006 at 07:28:55PM +0100, Dr.-Ing. Ingo D. Rullhusen wrote: > i hope that's the right address for this little problem, which arises > with linux kernel 2.4.34. > > If i compile the Advanced Power Management as module it do not work. If > i try a depmod i get an unresolved symbols

Re: Using _syscall3 to manipulate files in a driver

2007-01-01 Thread bert hubert
On Sun, Dec 31, 2006 at 12:13:52PM -0500, Jon Smirl wrote: > What is the simplest way to get open/close/read/write working under > 2.6.20-rc2? I know this is horrible and shouldn't be done, I just want > to get the driver working long enough to see if it is worth saving. I'm no expert, but try loo

regarding generic AIO, async syscalls precedent + some benchmarks by lighttpd

2007-02-04 Thread bert hubert
>From two comments posted to my "blog" http://blog.netherlabs.nl/articles/2007/02/04/a-synchronous-programming Excerpted from the diary of Dragonfly BSD, http://www.dragonflybsd.org/status/diary.shtml Remove the asynchronous syscall interface. It was an idea before its time. However, keep the

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