linux freezes completely since 2.6.28-7
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Won't Fix
|
Undecided
|
Unassigned | ||
xorg (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bug Description
Binary package hint: linux-image
Since linux-image-
- screen is completely frozen, even the mouse
- audio playback stops
- keyboard is unresponsive (numlock don't change the LED state)
- sysrq doesn't work
In /etc/sysctl.conf I have:
kernel.
kernel.panic = 10
but after the freeze the computer never reboots. I see nothing special in the dmesg nor other logs.
The freeze occurs when computer is under heavy load, mostly CPU load (it is happening almost exclusively when I run Eclipse and it starts resolving Ivy dependencies between more than 100 projects; the same if I am resolving dependencies and compiling all projects with ant script; this takes cca 10 minutes, and sometimes it finishes without freezing the computer). I also tried cpustress utils and memtest86+, but no freeze occurred. I also watched CPU temperature while doing that critical operations and all was in normal. With the linux-image-
My computer is IBM ThinkPad Z60m. I am running latest Kubuntu Jaunty (updated 2009-03-06), using opensource ATI drivers (occurs regardless of desktop effects on/off), ext4.
Please tell me what should I try to configure to get kernel dump after crash.
Attaching relevant files. Thanks in advance.
Changed in xorg (Ubuntu): | |
status: | Incomplete → Invalid |
tags: | added: regression-potential |
tags: | added: jaunty |
tags: | added: ext4 |
Changed in linux (Ubuntu): | |
status: | Incomplete → New |
status: | New → Incomplete |
... please ignore the previously attached dmesg, I must reboot to the problematic kernel first. I will do it later and upload also other information.