Messages in this thread | | | Date | Fri, 20 Jul 2012 18:06:06 -0300 | From | Thadeu Lima de Souza Cascardo <> | Subject | Re: oops in kernel ( 3.4.x -> 3.5rc ) |
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On Fri, Jul 20, 2012 at 10:52:40PM +0200, nicolas prochazka wrote: > Hello > the problem is occured with : > - linux kernel 3.4.5 i do not test with 3.4.0 / 1 / 2 / 3 / 4 , > but i can if you want > - linux kernel 3.5rc6 rc7 / do not test with other rc. > > the problem is not occured with : > linux kernel 3.3.4 / 3.3.8 > > These servers are used for : > - starting a lot of virtual machine with qemu-kvm ( ~ 40 ) ( lot of > select i think) > - do a lot of network tests with openvswitch > > I can test a kernel 3.4.x before and after a commit id (?) to find a regression. > > Regards, > Nicolas. >
Can you try this commit 1fd36adcd98c14d2fd97f545293c488775cb2823? And the commit before it?
> > 2012/7/20 Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>: > > On Fri, Jul 20, 2012 at 09:21:53AM -0400, Dave Jones wrote: > >> On Fri, Jul 20, 2012 at 11:56:06AM +0200, nicolas prochazka wrote: > >> > >> > [ 2384.900061] BUG: unable to handle kernel paging request at 000000010000002f > >> > >> That '1' looks like a random bit flip. Try running memtest86. > >> > > > > Looks more a 32-bit value of 1 followed by a 32-bit value of 0x2f. Most > > likely a pointer to some other piece of a struct. However, taking a look > > at fs/files.c code, nothing seems suspicious. > > > > Nicolas, it wasn't clear to me if you had problems with 3.4 too. There > > has been some changes in fs/files.c on 3.4-rc1 in the piece of code > > where you hit the problem. > > > > What does your system exercise? Any chance you are using a lot of > > select, which has also been changed in those same patches to fs/files.c? > > > > Regards. > > Cascardo. > > > > > >> > [ 2384.910010] Pid: 23838, comm: queue.sh Tainted: G D W > >> > >> This wasn't the first problem either. > >> > >> > [ 2397.885344] BUG: unable to handle kernel paging request at 000000010000003b > >> > >> Looks like the same flipped bit. > >> > >> Dave > >> > >> -- > >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > >> the body of a message to majordomo@vger.kernel.org > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > >> Please read the FAQ at http://www.tux.org/lkml/ > >> > > >
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