Public bug reported:
I got random freezes while using the ubuntu 9.10 in a new machine.
The kernel version I am using is the following: 2.6.31-15 generic
It ocurrs both with and without the X running. I have also tried the fglrx
driver and the standard ati/vesa driver.
I have tested if the bug is reproducible under some circumstance, and it is, at
least in my machine.
I have tested it in safe-mode (single-user root).
For instance, for a C++ project (3 min compilation time) if I execute, the
following:
for ((i=1;i<100;++i)); do make clean; make ; done
The machine gets frozen.
Finally it seems is a kernel problem:
The error I get is this in the screen before the hung:
[1162.312545] general protection fault: 0000 [#1] SMP
[1162.312622] last sysfs file:
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/controlC1/uevent
[1162.312655] CPU 1
[1162.312703] Modules linked in: fglrx(P) binfmt_misc snd_hda_codec_atihdmi
snd_hda_codec_via snd_hda_intel snd_pcm_oss snd_hda_codec snd_mixer_oss
snd_seq_dummy snd_pcm snd_seq_oss snd_seq_midi snd_raw_midi snd_seq_midi_event
snd_seq snd_timer iptable_filter snd_seq_device ppdev ip_tables psmouse snd
parport_pc lp serio_raw soundcore x_tables asus_atk0110 snd_page_alloc parport
usbhid floppy r8169 radeon
The logs at /var/logs are not updated with any info at the freezing
point
The machine specs are the followings:
processor Intel Core2 Quad CPUT Q9550 2.83GHz
MotherBoard: P5QL
RAM : 4096MB
GPU: ATI RADEON HD 4350
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Machine (kernel) freezes with ubuntu 9.10 64-bits in a QUAD machine
https://bugs.launchpad.net/bugs/491396
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