Re: usb panic

[David Young <dyoung%pobox.com@localhost>]

On Mon, May 21, 2012 at 04:28:46PM -0500, Jeremy C. Reed wrote:
> Sometimes, but not every time I plug in or unplug my Brother HL5150D 
> printer into the USB, I get a panic.
> 
> ulpt0: detached
> ulpt0: at uhub7 port 2 (addr 2) disconnected
> (I am not sure if the above happened at same time or not.)
> 
> panic: kernel diagnostic assertion "c->c_magic == CALLOUT_MAGIC" failed: 

Usually that's because there's a missing callout_destroy(9) call in some
device-detachment routine.

Dave

-- 
David Young
dyoung%pobox.com@localhost    Urbana, IL    (217) 721-9981