[Bug 28402] Kernel 2.6.34 freezes randomly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28402

--- Comment #6 from Da Fox <da_fox at mad.scientist.com> 2010-06-16 05:12:00 PDT ---
I've recompiled the kernel (this time revision
8e36113082821980c60ce89a6c5d45fc9492fc26) with netconsole enabled, and have
'triggered' the freeze. At this point no errors, warnings or other messages
were being printed to netconsole. Remotely logging-in via ssh was not possible.
The kernel did not respond even to SysRQ-b. 
Netconsole output did stop when the system finished booting, but was re-enabled
using the command 'dmesg -n 8', issued as root. Netconsole functionality was
then tested by disabling and then re-enabling swap space. this caused the swap
enabled message to be printed on the netconsole. The kernel was booted with
'debug' specified on the commandline

Is there any way to enable a more verbose output after booting? I've searched
for a kernel config option to enable more verbose logging, but I could not find
anything which seemed relevant.


(In reply to comment #5)
> Also seeing random freezes here on my Thinkpad T60 on 2.6.34 with X1300
> mobility radeon.

Could you please also specify the exact GPU that you have ? (lspci -v), and
your kernel logs? (perhaps there is something being logged in yours?)

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