----- Original Message ----- From: "Derek Broughton" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: "Baptiste Malguy" <[EMAIL PROTECTED]> Sent: Tuesday, March 05, 2002 2:54 PM Subject: Re: Dell Inspiron 2500
> From: "Baptiste Malguy" <[EMAIL PROTECTED]> > > > > 1) My Inspiron 2500: > > -------------------- > > > > I have to say that even if now it works pretty well with most of the > > functionnalities ready, it has not always been true. > > Many trouble with ALSA, X, APM, ACPI, PCMCIA ... > > I have no trouble with X. ALSA was simple once I finally realized that the > .deb package wasn't creating a required link from /etc/modutils/alsa -> > /etc/alsa/modutil/0.9. APM is definitely toast. PCMCIA works fine for me, > but that seems fairly dependent on the cards you're using. > > > My advices: > > > > About ACPI: just forget 2.2.x kernels since it is now reliable (>= 2.4.16 > > I agree. > > > But there is still one main problem: it seems ACPI really hates to share > > its IRQ (9) with any other devices. Unfortunately, the PCI management > > system also gives this IRQ to the PCMCIA/Cardbus driver :( > > Which makes the machine hanging. Not always crashing, but most of the > > time, it does crash :( > > I'm not having this problem. I'm getting the kernel messages: > IRQ routing conflict for 01:03.n, have irq 9, want irq 5 > but everything is working. You are supposed to be able to turn off the ACPI > handling of irq routing with a kernel parameter (I think 'pci=noacpi') at > boot time, but I haven't tried it. It might make a difference for you. > I'm really just getting into ACPI, and haven't tried the latest patch. > > > So I traced a little, read the doc to find a way to say the kernel to > > provide it another IRQ as Windows does (it gives IRQ 5 to the PCMCIA > > driver). Nothing available it seems. So I wrote a very dirty patch, but > > which makes me happy. That's the first time I "read" some kernel source, > > so please don't shout on me :): > > http://babou.org/ls/sources/patch-2.4.16-inspiron2500 > > Works at least for 2.4.16 and 2.4.17 > > You have to say to apply the patch via make config/menuconfig/... > > > About the sound: the OSS driver is obviously not efficient at all, > > probably. I don't require sound on my laptop, so I'm happy enough that I > got OSS sound last week. > > > About the extra keys: I use the package hotkeys. It can run some > > commands, and do some basis stuff. I personally use it to set the > > sound level, play/stop/prev/next with xmms > > Thanks. I don't know that I'll use it the way you do, but it's handy. > > > To use the switch off button, as a shutdown, I use the package acpid. > > It watchs /proc/acpi/event to discover what happends with ACPI, > > including the suspend and power buttons. So XDM is enough to power off > > Where is the 'suspend' on a inspiron 2500? The blue suspend key (Fn-Esc) > doesn't appear to send any signal that's caught by ACPI (but I'm just using > the ACPI support in the kernel, not the latest patch - would the patch > help?). > > > > About the touchpad: my /etc/gpm.conf: > > device=/dev/psaux > > responsiveness= > > repeat_type=raw > > type=ps2 > > append="" > > sample_rate= > > > > and XF86Config-4: > > ... > > Section "InputDevice" > > Identifier "Touchpad" > > Driver "mouse" > > Option "CorePointer" > > Option "Device" "/dev/gpmdata" > > Option "Protocol" "PS/2" > > ... > > > > I prefer to say it as I personaly spent sometimes on it. > > > > Also, I experienced NO problem about 16bit mode under XFree86. > > If you want my complete XF86Config-4 to test, just ask me. > > > > For additionnal information about it (french/english): > > > > http://babou.org/equipment/lebanon.fr.html > > http://babou.org/equipment/lebanon.en.html > > > > 2) My questions: > > ---------------- > > > > About this famous suspend-to-disk partition, actually I directly put > > another hard disk in the laptop (from my previous one) exchanging the > > two hard disks. So I didn't even look what were on the original disk. > > Just formatted it for my older laptop. > > There is definitely no s2d partition on the i2500 as delivered. I haven't > been able to figure out _what_ Dell does on its 8100s with RedHat - but I > imagine we can duplicate that with enough imagination :-) > > > I created a IBM Thinkpad hibernation partition, FAT16/32 partitions, > > at the beginning and the end of the disk, as primary and logical > > partition. Nothing happened. > > > > However, dmesg tells me: > > ACPI: System firmware supports S0 S1 S4 S5 > > So ! It is available, but ? > > First, the 'firmware' supports those sleep levels, but afaik there's no > software behind it to actually force a suspend. In fact, on the acpi-devel > list in the last couple of days Pavel Machek (one of the developers) said: > "[If you say S4 works I'll not believe you, and if you say S3 works, > I'll be very pleasently surprised. S1 has some chance of working.]" > > Just like apcid runs init when you press the power button, I think we'll > need to supply the functionality to do the suspend to disk. I haven't > finished reading the acpi docs either... > > My experience was that S1 seems to work (echo 1 > /proc/acpi/sleep), but the > inspiron is incapable of resuming from it (the keyboard can't regain > control). Hitting the power button does put it through an orderly shutdown. > S4 is ugly. I haven't checked exactly what it did, I just know it wasn't > nice, and I couldn't power down properly :-) S5 looks like it wanted to do > a suspend to disk but all it really did was an abrupt power-off. > > If you're interested in working with me on this, I'd suggest we keep trying > and report back to this list and acpi-devel with our results. We seem to be > at a pretty similar point. > > > I gave a look at the suspend-to-disk patch, because I experienced how > > Windows 2000 does suspend-to-disk: it actually uses its own filesystem, > > creating a hiber....sys file. But I use ext3, and the patch does not > > handle the corresponding kernel threads (kjournald), so it does not work > > > > So, here I would be very happy to get any information about it. > > as would I. I haven't tried it yet - in fact my next change to the kernel > was going to be to add ext3 because a number of testers of acpi have > enthused about the value of journaling filesystems when they're testing > power management. > > > Also, I cannot switch off the display. I mean, it is always powered or I > > have to close the laptop. xset dpms force off just does nothing. > > Do you experience the same problem ? Does it work fine for someone else? > > I've just tried it. Not having a dark room, I can't be certain it really > powered off, but it blanked the screen. I know when my screen blanks > normally (after 15 minutes of inactivity) it does _not_ power off. > > > It also does not switch off on the text console. > > > > Last question: I saw that under windows, the touchpad driver can make the > > right side of the pad working as scrolling wheel. If anyone knows to do it > under > > Linux with a detailed explanation (programs, conf files ...) ? > > I quit trying to make the TP do anything but ordinary mouse movements, > because I found it too flakey - and I hate how it works under Windows ME - > but if you want it to work as a wheel mouse, you'd definitely need it to be > an IMPS/2 not a PS/2. I guess I have it working as a wheel mouse in WinME > but I can't figure out how to control the wheel function. It's always > scrolling on me when I don't want it to. Perhaps if I had this > functionality in Linux I'd get use to it, but I only use Windows for Quicken > :-) > > derek > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
