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

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Message-ID: <CA+icZUWNWnKu9YiR8Vs6J26LFi=u2VL14_ZYh_pEYONaEPddxg@mail.gmail.com>
Date:	Fri, 28 Sep 2012 13:51:00 +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 1:22 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).

- 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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