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SubjectRe: 2.6.21-rc2-mm1
On 04/03/07, Mariusz Kozlowski <m.kozlowski@tuxland.pl> wrote:
> > I'll dig some more and try to catch some data.
>
> Ok. I started the system and it froze after approx. 5 min. of uptime.
>
> Scenario:
>
> - I logged into kde
> - started aterm
> - insmod netconsole ... blah blah
> - started azureus (downloading 1 torrent)
> - started firefox (pandora.com -> flash playing music)
> - started aterm
> - started kmail
>
> -> fool around a bit and ... whoops -> system is frozen
>
> Symptoms:
> - I left the computer running frozen for 5~10 minutes just in case it suddenly 'regain consciousness'
> - num lock, caps lock do not make the leds on/off (looks like dead keyboard)
> - unable to switch to console
> - I issued sysrq-p, sysrq-t, the computer still looks dead but surprise! netconsole worked and I managed
> to capture some data, no oops though
> - sysrq-s does not work -> only "SysRq : Emergency Sync" gets printed ("Emergency Sync complete" does
> not appear)
> - hard drive I/O is dead (led not blinking when sysrq-s or whatever)
> - computer is totaly unresponsive and issuing sysrq looks like playing with dead computer
> - the only thing to at this stage is is hard reset
>
> Almost each time the frozen system looks a bit different. So not sure where to look exactly. Sometimes
> the keyboard 'works' and I can switch to console, sometimes the box looks totally dead, sometimes it
> loops some short fragment of music and makes weird sounds, sometimes azureus still works (wifi traffic led
> is blinking), sometimes CPU is eaten up, sometimes not. The common denominator could be no hard drive I/O
> activity.
>
> I read Michal P. report and it might be that we hit the same bug here.
>
> Below you'll find the output and current config attached.
>
> --------
>
> Loglevel set to 7
> SysRq : Show Regs
>
> Pid: 12322, comm: firefox-bin

It looks familiar.

Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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