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Old 09-23-2004, 11:35 PM   #1
jsmarie
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Registered: Sep 2004
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ACPI hangs with kernel 2.6.8-mm on HP Pavilion ze4400 laptop


Recently I have been running Gentoo linux with the 2.6.6-mm kernel on my laptop, an HP Pavilion ze4400. It worked great.

I tried to boot into some liveCDs (Gentoo and Knoppix) that use the 2.6 kernel a few days ago, and found that they would hang without ACPI=off. That isn't my problem, but it should have been a warning to me.

The problem is that I foolishly upgraded to kernel 2.6.8-mm. Now, I have two major symptoms: if I try to specify a VGA mode in lilo (and I have ACPI enabled) my laptop hangs at a blank screen. The kernel messages never come up at all.

Hopefully the VGA thing is an unrelated problem, because if set vga=NORMAL then I can see that it boots the kernel up to this line:

ACPI: Subsystem revision 20040715

Sometimes, another message will appear:

spurious 8259A interrupt: IRQ7

At that point, the system hangs. It hangs badly; not even the keyboard lights will respond.

If I pass ACPI=off to the kernel, it works. But then I don't have ACPI, and my laptop catches fire.

I have googled extensively for this problem, and many people (with other laptops) seem to be experiencing similar troubles. But I tried their solutions: noapic, pci=noapci, and so on. No luck. I tried rebuilding the kernel (from my 2.4 setup) without cpufreq. Still no luck. Does anyone know what causes this problem?

Last edited by jsmarie; 09-23-2004 at 11:39 PM.
 
Old 09-24-2004, 12:40 AM   #2
Bruce Hill
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Registered: Jun 2003
Location: Tupelo, MS
Distribution: Gentoo
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You might go to http://lkml.org and check what you can
there. I seem to have read that you have to disable acpi in
some kernels, but I'm not running it on my PC.

You might also want to check http://www.kerneltrap.org
 
  


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