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From: Murphy Zhou <jencce.kernel@gmail.com>
To: Rohith Surabattula <rohiths.msft@gmail.com>
Cc: Murphy Zhou <jencce.kernel@gmail.com>,
	linux-cifs <linux-cifs@vger.kernel.org>,
	Rohith Surabattula <rohiths@microsoft.com>
Subject: Re: [regression] lock test hang since 5.13-rc-smb3-part2
Date: Tue, 7 Sep 2021 11:18:52 +0800	[thread overview]
Message-ID: <20210907031852.fp5mqe6bar4ycekk@xzhoux.usersys.redhat.com> (raw)
In-Reply-To: <CACdtm0ZysFcRQga8DSrVz2iKVoFmTQihLzy+QY667+i06cQgAw@mail.gmail.com>

On Mon, Sep 06, 2021 at 09:17:31PM +0530, Rohith Surabattula wrote:
> Can you please share the mount options.

 vers=3.11,mfsymlinks,username=root,password=xx

> 
> Did you observe the same failure with 5.14-rc5-smb3-fixes ?
> I ran the generic/478 test on 5.14 and didn't see any hang. But, test
> fails with below
> 
> generic/478     - output mismatch (see
> /home/lxsmbadmin/xfstests-dev/results//sm
>                                                b3/generic/478.out.bad)
>     --- tests/generic/478.out   2021-05-03 19:01:04.767577557 +0000
>     +++ /home/lxsmbadmin/xfstests-dev/results//smb3/generic/478.out.bad
> 2021-09-
>               06 15:39:39.625248615 +0000
>     @@ -1,13 +1,13 @@
>      QA output created by 478
>      get wrlck
>      lock could be placed
>     -get wrlck
>     -get wrlck
>      lock could be placed
>      get wrlck
>     ...
>     (Run 'diff -u /home/lxsmbadmin/xfstests-dev/tests/generic/478.out
> /home/lxsm
>                 badmin/xfstests-dev/results//smb3/generic/478.out.bad'
>  to see the entire diff)
> Ran: generic/478
> Failures: generic/478
> Failed 1 of 1 tests
> 
> Regards,
> Rohith
> 
> On Mon, Sep 6, 2021 at 5:16 PM Murphy Zhou <jencce.kernel@gmail.com> wrote:
> >
> > Hi,
> >
> > Since this commit:
> >
> > commit c3f207ab29f793b8c942ce8067ed123f18d5b81b
> > Author: Rohith Surabattula <rohiths@microsoft.com>
> > Date:   Tue Apr 13 00:26:42 2021 -0500
> >
> >     cifs: Deferred close for files
> >
> > Xfstests generic/478 on CIFS can't finish like before. The test programme
> > never returns but killable. The kernel does not warn about soft or hard
> > lockups. So it looks like looping forever at some point.
> >
> > It's always reproducible. Without this commit, generic/478 fails the test
> > because of different lock schema but complete very fast. With this commit,
> > test hang like forever.
> >
> > Sorry that I do not look further here, because I have another bisecting to
> > do to hunting another regression.
> >
> > Thanks,
> > Murphy

-- 
Murphy

      reply	other threads:[~2021-09-07  3:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-06 11:45 [regression] lock test hang since 5.13-rc-smb3-part2 Murphy Zhou
2021-09-06 15:47 ` Rohith Surabattula
2021-09-07  3:18   ` Murphy Zhou [this message]

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