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Re: Oops/Warning report for the week of March 28th 2008

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To: Linus Torvalds <torvalds@...>
Cc: Arjan van de Ven <arjan@...>, Linux Kernel Mailing List <linux-kernel@...>, NetDev <netdev@...>, Dmitry Torokhov <dtor@...>
Date: Friday, March 28, 2008 - 6:14 pm

> Ahh. So it's easily repeatable for you.. Do you think you could bisect it=
?=20
ch=20

Unfortunately, it takes forever on this machine to compile a kernel
after any bigger changes. I can do it early next week when I have access
to my bigger box again.

On the other hand, it should be easily reproducible by anyone else with
the same trick, here's what I do:

 * configure X to use /dev/input/event* devices
 * in an xterm, do something like
      rmmod usbhid ; modprobe usbhid
 * switch to a VT
 * watch kernel crash as X releases the grab on the event device

Mind you, I actually did this with the appletouch driver, but I don't
think it makes a difference since the problematic thing is the code that
X grabs the device. A trivial program that executes the grab ioctl would
probably suffice if you leave it running over a rmmod/modprobe cycle.

johannes
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Messages in current thread:
Oops/Warning report for the week of March 28th 2008, Arjan van de Ven, (Fri Mar 28, 2:55 pm)
Re: Oops/Warning report for the week of March 28th 2008, Linus Torvalds, (Fri Mar 28, 4:21 pm)
Re: Oops/Warning report for the week of March 28th 2008, Arjan van de Ven, (Fri Mar 28, 6:33 pm)
Re: Oops/Warning report for the week of March 28th 2008, Arjan van de Ven, (Fri Mar 28, 6:58 pm)
Re: Oops/Warning report for the week of March 28th 2008, Linus Torvalds, (Fri Mar 28, 4:51 pm)
Re: Oops/Warning report for the week of March 28th 2008, Dmitry Torokhov, (Fri Mar 28, 5:16 pm)
Re: Oops/Warning report for the week of March 28th 2008, Johannes Berg, (Fri Mar 28, 5:01 pm)
Re: Oops/Warning report for the week of March 28th 2008, Linus Torvalds, (Fri Mar 28, 5:24 pm)
Re: Oops/Warning report for the week of March 28th 2008, Johannes Berg, (Fri Mar 28, 5:43 pm)
Re: Oops/Warning report for the week of March 28th 2008, Linus Torvalds, (Fri Mar 28, 6:01 pm)
Re: Oops/Warning report for the week of March 28th 2008, Johannes Berg, (Fri Mar 28, 6:14 pm)
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