Public bug reported:
Ubuntu 13.04 (with latest updates) crashes after a while every time I
start it, the screen freezes, keyboard and mouse/touchpad do not
generate any reponse. Ive tried to follow
https://help.ubuntu.com/community/DebuggingSystemCrash to provide as
much information as possible.
I'm using:
- Dell Studio 1558 (Intel core i3, ATI Mobility Radeon HD 5430/5450/5470)
I've tried:
- switching to command line using Ctrl-F1, no response;
- Prt Scr + R E I S U B, no response;
- monitoring /var/log/syslog and dmesg, I can't find anything that happened at
the moment of the crash that might have caused it;
- running a memory check (for 45 minutes), it passed one time and then I let it
continue for a while longer, but no errors showed up;
- disconnecting everyting attached to the laptop (power chord, wireless mouse),
but the laptop still crashes;
- using different videocard drivers: fglrx, fglrx-updates and fglrx-12 (from
the xorg-edgers ppa); does not appear to make any difference, although the
fglrx drivers seem to increase time before the system crashes (but they
ironically show a 'AMD unsupported hardware' watermark in the corner of the
screen);
- remotely monitoring dmesg and /var/log/syslog over ssh, but ssh also goes
crashes, the last reports are the same as on the laptop;
- installing the 32-bit version of Ubuntu 13.04, same problem as on 64-bit.
- updating Dell BIOS to A12
I'm not sure what else I can do to get more information on the crash,
I'm sorry this is all rather vague. I've tried to gather as much
information as possible. If there is anyting else I can do, please ask.
UPDATE: I'm now using the open source videocard drivers, and now when
the system crashes I get a kernel panic (unfortunatelly I seem to be
unable to find the full message in a log, if there are any at all). I'm
not sure if the kernel panic is the same crash as under the other
videocard drivers, but the effect appears to be the same, with the
exception that the screen does not freeze, but switches to text-mode
(still accepts no keyboard input).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1173581
Title:
Ubuntu 13.04 full system crash/kernel panic
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