Re: kernel 2.6.39 (user mode linux) crashes (2.6.38 works fine)

From: richard -rw- weinberger
Date: Mon May 23 2011 - 15:17:43 EST


2011/5/21 Toralf Förster <toralf.foerster@xxxxxx>:
>
> Toralf Förster wrote at 00:53:50
>> Bisecting gave :
>>
>>
>> git bisect badd123375425d7df4b6081a631fc1203fceafa59b2 is the first bad
>> commit commit d123375425d7df4b6081a631fc1203fceafa59b2
>> Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Date:   Wed Jan 26 21:32:01 2011 +0100
>>
>>     rwsem: Remove redundant asmregparm annotation
>>
>>     Peter Zijlstra pointed out, that the only user of asmregparm (x86) is
>>     compiling the kernel already with -mregparm=3. So the annotation of
>>     the rwsem functions is redundant. Remove it.
>
> BTW I double checked that this commit is the culprit of the hang - it is.
> Furthermore I added these kernel config options :

Toralf,

does this patch fix your problem?
http://userweb.kernel.org/~rw/rwsem.diff

Please do a make clean before rebuilding...

--
Thanks,
//richard
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