On Fri, 16 Sep 2005, Jan Dittmer wrote:
> Okay, it happened again. Turns out to be the usb-storage kernel threads:
>
> root 3308 0.0 0.0 0 0 ? D 08:40 0:00 [usb-storage]
> root 4671 0.0 0.0 0 0 ? D 08:40 0:00 [usb-storage]
>
> I've an USB card reader in my monitor which turns off, when the monitor goes
> to standby/is shut off. I think I can reproduce it that way, but I'm currently
> not physically near the machine to check.
>
> Any debug info that can help? Last known good kernel was 2.6.13-git6.
> I don't update that machine that much. ;-)
>
> Current kernel is 2.6.14-rc1-git1.
Can you post a stack dump for those two threads? Normally they are idle,
in an interruptible wait, so they shouldn't be in D state. Since they
are, maybe there's some sort of error recovery attempt going on. Like
hald doing its periodic checking of hotpluggable storage devices while
your monitor is off.
Alan Stern
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