Date: Tue, 27 May 2003 16:28:38 -0300 (BRT)
From: Marcelo Tosatti <marcelo@conectiva.com.br>
To: manish <manish@storadinc.com>
Cc: Marc-Christian Petersen <m.c.p@wolk-project.de>,
       Andrea Arcangeli <andrea@suse.de>, linux-kernel@vger.kernel.org,
       Carl-Daniel Hailfinger <c-d.hailfinger.kernel.2003@gmx.net>,
       Christian Klose <christian.klose@freenet.de>,
       William Lee Irwin III <wli@holomorphy.com>
Subject: Re: 2.4.20: Proccess stuck in __lock_page ...
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On Tue, 27 May 2003, manish wrote:

> Marcelo Tosatti wrote:
>
> >
> >On Tue, 27 May 2003, manish wrote:
> >
> >>Marc-Christian Petersen wrote:
> >>
> >>>On Tuesday 27 May 2003 20:33, Marcelo Tosatti wrote:
> >>>
> >>>Hi Marcelo,
> >>>
> >>>>It seems your "fix-pausing" patch is fixing a potential wakeup
> >>>>miss, right? (I looked quickly throught it). Could you explain me the
> >>>>problem its trying to fix and how?
> >>>>
> >>>Please have also a look here:
> >>>
> >>>http://hypermail.idiosynkrasia.net/linux-kernel/archived/2002/week45/0305.html
> >>>
> >>>ciao, Marc
> >>>
> >>Hello !
> >>
> >>I applied the fix-pausing-2 patch to the 2.4.20 kernel. This time on,
> >>the stack trace:
> >>
> >>sys_write
> >>generic_file_write
> >>ext2_get_group_desc
> >>bread
> >>__wait_on_buffer
> >>schedule
> >>
> >
> >Huh? You mean bonnie still deadlocks or ?
> >
> At the time the processes get stuck:
>
>
> [root@dyn-10-123-130-235 vm]# more /proc/meminfo
>         total:    used:    free:  shared: buffers:  cached:
> Mem:  3709870080 3699126272 10743808        0 18313216 3531255808
> Swap: 1077501952        0 1077501952
> MemTotal:      3622920 kB
> MemFree:         10492 kB
> MemShared:           0 kB
> Buffers:         17884 kB
> Cached:        3448492 kB
> SwapCached:          0 kB
> Active:          25252 kB
> Inactive:      3445344 kB
> HighTotal:     2752512 kB
> HighFree:         2120 kB
> LowTotal:       870408 kB
> LowFree:          8372 kB
> SwapTotal:     1052248 kB
> SwapFree:      1052248 kB
>

Ok, so just to confirm: You're still getting pauses with Andrea's patches
but no hangs anymore?

Correct?
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