Kernel panic in ulpt

John Baldwin jhb at
Mon Sep 14 13:13:31 UTC 2009

On Friday 11 September 2009 12:18:39 pm Alban Hertroys wrote:
> Hello,
> I just got a kernel panic on a FreeBSD 7.2 STABLE after a print job  
> finished on ulpt. The kgdb output (ran in script) is attached. I'll  
> keep the vmcore around in case anyone needs more info. Shout if you  
> need more info.

In ulptclose() in sys/dev/usb/ulpt.c try changing the callout_stop() to a 
callout_drain().  Have you been able to reproduce this?

John Baldwin

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