panic: sleeping thread & bufwrite: buffer is not busy???
rwatson at FreeBSD.org
Fri Dec 12 15:42:32 UTC 2008
On Fri, 12 Dec 2008, Roman Divacky wrote:
>>> You are mixing the issues without a reason. To claim that you problem is
>>> similar, you need to show the similar backtrace. The panic shown is the
>>> late manifestation of a problem, it is kind a catch-all for some sort of
>>> locking issues.
>> This is the second report of weird rwlock-related panics in a week. We
>> should read the code on this one closely, but I can't help but notice that
>> it's similar to Roman's report of an rwlock-related panic. Was there a
>> locking/scheduling change in the last week or two in -current that could
>> explain these symptoms?
> I still have the vmcore from the crash... can it help?
I think the most important thing is to see the contents of *inp and
Robert N M Watson
University of Cambridge
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