On Fri, Jul 18, 2008 at 12:14:31AM +0200, maximilian attems wrote:
> try out 2.6.26, see trunk apt lines
> -> http://wiki.debian.org/DebianKernel

This mail sent from a freshly built custom 2.6.26 on my laptop.
Now let's see if this one hangs.



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2.6.26 hangs too, in the same way, and again after up to two days of
uptime. The new iwlwifi driver can drive the wireless LED, and that
still works while the system is hung.

Going to try to enable HPET_RTC_IRQ and HPET_RTC_IRQ as suggested in
479709, and if that fails, hpet=disable on the kernel cmdline.



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On Thu, Jul 24, 2008 at 02:06:44AM +0200, Wouter Cloetens wrote:
> Three days without hang...

... but that didn't last; it just did it again. My next step is
hpet=disable.



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On Sat, Jul 26, 2008 at 01:26:50AM +0200, Wouter Cloetens wrote:
> My next step is hpet=disable.

And no hangs since.

For completeness, I must say that I also disabled CONFIG_IRQBALANCE.

Also; these hangs have not occurred at work where I mostly use Ethernet;
only at home where I only use wireless.

I've googled the caps lock led blinking hang symptom a bit, and I found
that
- the system isn't necessarily completely hung; it may be possible to
login remotely,
- it may be possible to capture the oops with netconsole,
- simply running in text mode when the problem is triggered may make it
possible to see the oops logged to the console.

When I get some time, I'll try to trigger it in text mode. Should be
easy as it hangs in no time with linux-image-2.6.25-2-686 2.6.25-6.

~



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On Wed, Jul 30, 2008 at 01:07:06AM +0200, Wouter Cloetens wrote:
> On Sat, Jul 26, 2008 at 01:26:50AM +0200, Wouter Cloetens wrote:
> > My next step is hpet=disable.
>
> And no hangs since.

... until now, after 4 days of uptime. The HPET is not (the only)
culprit.



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Upgraded to linux-image-2.6.26-1-686 2.6.26-6 (and went from nv to nvidia-glx),
and no hangs for 2 weeks.
Re-enabled HPET, and 2 days of uptime so far.



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Happened again with HPET enabled.
linux-image-2.6.26-1-686 2.6.26-8
I had 6 days of uptime with that kernel at one point.



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