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SubjectRe: 2.6.38-rc3: FUSE (sshfs) hangs under load
On Wed, Feb 02, 2011 at 12:52:36PM +0100, Miklos Szeredi wrote:
> On Tue, 1 Feb 2011, Dmitry Torokhov wrote:
> > Hi,
> >
> > After installing 2.6.38-rc3 (plus a few input patches) sshfs started to
> > misbehave on me under load. It starts off fine but when I try to compile
> > a few modules against kernel sources residing on the other box the
> > processes go into 'D' state and just sit there doing nothing.
>
> Can you please post a stack trace from SysRq-T?
>

Will do tonight. In the meantime I tried bisecting, but failure is not
always triggered on the first attempt so results are iffy. The log so
far:

# bad: [7d44b0440147d83a65270205b22e7d365de28948] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
# good: [3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5] Linux 2.6.37
git bisect start '7d44b0440147d83a65270205b22e7d365de28948' 'v2.6.37'
# bad: [84b7290cca16c61a167c7e1912cd84a479852165] Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
git bisect bad 84b7290cca16c61a167c7e1912cd84a479852165
# good: [fea9294c5f2902c45613681ad995ca27899d2016] pch_can: Optimize "if" condition in rx/tx processing
git bisect good fea9294c5f2902c45613681ad995ca27899d2016
# bad: [c96e96354a6c9456cdf1f150eca504e2ea35301e] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
git bisect bad c96e96354a6c9456cdf1f150eca504e2ea35301e
# good: [003ea98195eebdfcf476317b517e8c29a25b9d10] iwlwifi: remove reference to Gen2
git bisect good 003ea98195eebdfcf476317b517e8c29a25b9d10

The last good must have been also bad as sshfs got stuck while I was
installing next bisect step over it.

Thanks.

--
Dmitry


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