Messages in this thread | | | Date | Thu, 01 Mar 2007 08:39:07 -0500 | From | Eric Buddington <> | Subject | Re: USB misbehavior causes system hang |
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On Tue, Feb 27, 2007 at 01:49:40PM -0800, Pete Zaitcev wrote: > However, the main issue here is the OOM with all the dirty data. > We saw that before. For some weird reason, ext3 is especially good > at producing the immense amounts of write-out. Are you on ext3 or > VFAT on that drive?
Reiser4.
> Please try to find the CPU traces by hitting SysRq-w, SysRq-p. CPU > is looping under a lock somewhere and eventually it cases the watchdog > to trigger. It may be a USB issue, maybe a VM issue. I can't tell > until we get stack traces.
I can log the dmesg's via netconsole, but I'm often not at the computer to use SysRq. I've just discovered /proc/sysrq-trigger, which I can maybe use from a script that watches dmesg. I'll report back if I can catch the dumps.
-Eric
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