[OpenAFS] kernel crashes with, linux kernel (F14) and file locks?

Alexander 'Leo' Bergolth leo@strike.wu.ac.at
Sun, 19 Dec 2010 14:52:26 +0100

On 12/18/2010 03:50 PM, Simon Wilkinson wrote:
> On 18 Dec 2010, at 10:20, "Alexander 'Leo' Bergolth" <leo@strike.wu.ac.at> 
>> The running userspace process is always wavparseXXX:sink (gstreamer). It
>> looks like all of the the crashes are triggered by gstreamer trying to
>> acquire an advisory lock (fcntl SETLK) on a file that resides in my AFS
>> home when playing a sound.
> Do you have evidence that this is happening when locks are being
> acquired, or are you assuming this from the presence of fcntl_setlk64
> in the stack trace?

I am assuming it, because of the stack.
I tried to catch the actual system call but, as always, when I want it
to crash, it doesn't. :-)

I'll do some more kernel auditing tests tomorrow and provide you with
further details as soon as I obtain them.

e-mail   ::: Leo.Bergolth (at) wu.ac.at
fax      ::: +43-1-31336-906050
location ::: IT-Services | Vienna University of Economics | Austria