linux-kernel - Re: linux-next: Tree for Sept 28 (ext4|vfs related issues?)

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Message-ID: <CA+icZUW8STfNrYQ_gDRZA6wWoznF28J=NAn6Gjq0RyeGBKxdQg@mail.gmail.com>
Date:	Fri, 28 Sep 2012 15:11:26 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	"Theodore Ts'o" <tytso@....edu>, Al Viro <viro@...iv.linux.org.uk>,
	Jens Axboe <axboe@...nel.dk>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: linux-next: Tree for Sept 28 (ext4|vfs related issues?)

On Fri, Sep 28, 2012 at 1:51 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
> On Fri, Sep 28, 2012 at 1:22 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
>> On Fri, Sep 28, 2012 at 8:51 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>> Hi all,
>>>
>>> Changes since 201209027:
>>>
>>> The vfs tree lost its conflicts.
>>>
>>> The infiniband tree gained a conflict against Linus' tree.
>>>
>>> The net-next tree gained a conflict against the net tree and a build
>>> failure for which I reverted a commit.
>>>
>>> The block tree lost its build failure.
>>>
>>> The tip tree gained conflicts against the rr tree.
>>>
>>> The signal tree gained a conflict against the vfs tree.
>>>
>>> The akpm tree lost several patches that turned up elsewhere and lost its
>>> build failure but gained another for which I applied a merge fix patch.
>>>
>>> ----------------------------------------------------------------------------
>>>
>>
>> [ Added some more maintainers of ext4|vfs|block ]
>>
>> Hi,
>>
>> after solving the thermal-next problem (patch still pending in thermal
>> tree) today's Linux-Next is still not running fine here (I reported
>> that already).
>>
>> After switching from SLUB to SLAB I could take finally a screenshot of
>> a call-trace (sorry, it's 600KiB).
>> It seems to be a problem of Ext4-FS or in combination with VFS (can't
>> say as I am not an FS-expert).
>> Symptoms:
>> Harddisk I/O is fu**ing slow, apps like firefox start slowly as used
>> to and stall often, a dmesg-output in a console takes sometimes ages,
>> etc.
>> IOW, you cannot work on such a system :-)!
>>
>> Hope the screenshot helps to dig down the problem.
>>
>
> I pulled in latest ext4.git#dev [0] and [1] seems to be the pending fix.
> Still compiling... (will report later on).
>

Unfortunately, this did not help!
Any hints/help appreciated.

- Sedat -

> - Sedat -
>
> [0] http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git;a=shortlog;h=refs/heads/dev
> [1] http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git;a=commitdiff;h=9bebbf9b6266e63a68845ade39e368f2d162ea1c
>
>> Regards,
>> - Sedat -
>>
>> P.S.: I also attached the latest kernel-config.
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