[gentoo-user] Re: xorg segfaults if I have an encrypted volume mounted

2010-06-25 Thread Remy Blank
Remy Blank wrote:
 Some version info:
 
   xorg-server-1.8.1.901
   xf86-input-evdev-2.3.2
   udev-149
   gentoo-sources-2.6.31-r6
 
 Has anyone seen anything similar? Any idea how I could either work
 around the issue or debug it? I have tried strace but couldn't extract
 any meaningful information.

For the record, I have update to gentoo-sources-2.6.34-r1, and the issue
seems to be fixed. I still don't understand why this has suddenly
started happening, as I had been running 2.6.31-r6 for months.

Now on to my next issue: my laptop powers off by itself after a few
hours of doing nothing. I first thought that it was a hardware issue,
but it just switched off before my eyes a few minutes ago: the screen
went blank, and I could see the caps lock and scroll lock LEDs blink for
~30 seconds, before the laptop powered off. This seems to be a strong
hint at a kernel panic.

Unfortunately, as I was in X, I didn't get to see the panic, and it
wasn't logged either. Does anyone know how to get the kernel panic
message in such a case? I have enabled remote logging with syslog-ng,
but I suspect that this won't be enough. I have found kdump, but setting
it up seems to be quite tricky.

-- Remy



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Re: [gentoo-user] Re: xorg segfaults if I have an encrypted volume mounted

2010-06-25 Thread James L
 Remy Blank wrote:
 my laptop powers off by itself after a few
 hours of doing nothing. I first thought that it was a hardware issue,
 but it just switched off before my eyes a few minutes ago: the screen
 went blank, and I could see the caps lock and scroll lock LEDs blink for
 ~30 seconds, before the laptop powered off. This seems to be a strong
 hint at a kernel panic.

 Unfortunately, as I was in X, I didn't get to see the panic, and it
 wasn't logged either. Does anyone know how to get the kernel panic
 message in such a case? I have enabled remote logging with syslog-ng,
 but I suspect that this won't be enough. I have found kdump, but setting
 it up seems to be quite tricky.

 -- Remy

Turn off all power management software.
My guess is it is going into one of the power saving modes that ends up
crashing it.




[gentoo-user] Re: xorg segfaults if I have an encrypted volume mounted

2010-06-25 Thread Remy Blank
James L wrote:
 Turn off all power management software.
 My guess is it is going into one of the power saving modes that ends up
 crashing it.

Thanks for the suggestion. The only power management software that I
have installed is the cpufreq ondemand governor, which shouldn't use the
power saving modes AFAIK.

I have logged the CPU temperature, remaining battery capacity, charger
state and loadavg every 10 seconds, and the CPU is mostly idle (0.00
loadavg, ~40 °C), the battery full, and the charger connected. Then
suddenly, after ~15 hours, blinking keyboard lights and finally power off.

-- Remy



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