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From: Manfred Spraul <manfred@colorfullife.com>
To: Luca Tettamanti <kronos.it@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>,
	linux-kernel@vger.kernel.org, Julia Lawall <julia@diku.dk>,
	Andrew Morton <akpm@linux-foundation.org>,
	maciej.rutecki@gmail.com
Subject: Re: 2.6.35-rc3: System unresponsive under load
Date: Sat, 26 Jun 2010 17:49:51 +0200	[thread overview]
Message-ID: <4C26219F.3010206@colorfullife.com> (raw)
In-Reply-To: <4C2620F4.7030900@colorfullife.com>

Hi,

On 06/26/2010 05:47 PM, Manfred Spraul wrote:
> Hi Luca,
>
> On 06/26/2010 02:52 PM, Luca Tettamanti wrote:
>> They don't seem really hung as before, I see two different behaviours:
>> * Near the end of the run ab is frozen for a few seconds, but in the
>> end all requests are processed; however I see a few "length" errors,
>> meaning that the received page does not match the expected content
>> (I'm testing a static page):
>>
> That's consistent with what I see:
> If I run:
> #./semtimedop 100 100&
> #./semtimedop 100 100&
> #./semtimedop 100 100&
> #./semtimedop 100 100&
>
Sorry for the noise, but I forgot one important piece:
The patch from

http://marc.info/?l=linux-mm&m=127750107030238

must be applied - otherwise you'll just see errors due to IN_WAKEUP.

--
     Manfred

  reply	other threads:[~2010-06-26 15:49 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-18 14:49 2.6.35-rc3 deadlocks on semaphore operations Christoph Lameter
2010-06-18 14:56 ` Christoph Lameter
2010-06-19 14:43   ` Manfred Spraul
2010-06-21 14:31     ` Christoph Lameter
2010-06-21 16:52       ` Manfred Spraul
2010-06-21 17:13         ` Christoph Lameter
2010-06-18 15:34 ` Julia Lawall
2010-06-19 11:06 ` Manfred Spraul
2010-06-21 17:05   ` Christoph Lameter
2010-06-21 17:16     ` Christoph Lameter
2010-06-21 18:05       ` 2.6.35-rc3 deadlocks on wakeup(?) (was on semaphore operations) Christoph Lameter
2010-06-20  6:55 ` 2.6.35-rc3 deadlocks on semaphore operations Maciej Rutecki
2010-06-21 20:01 ` Luca Tettamanti
2010-06-23 16:29   ` Manfred Spraul
2010-06-23 19:14     ` Luca Tettamanti
2010-06-24 19:22       ` Luca Tettamanti
2010-06-25 21:09         ` Manfred Spraul
2010-06-26 12:52           ` Luca Tettamanti
2010-06-26 15:47             ` 2.6.35-rc3: System unresponsive under load Manfred Spraul
2010-06-26 15:49               ` Manfred Spraul [this message]
2010-06-26 16:47               ` Luca Tettamanti
2010-06-30 19:07                 ` Manfred Spraul
2010-07-06 16:01                   ` Luca Tettamanti
2010-07-07 19:34                   ` Luca Tettamanti
2010-07-02 15:53             ` 2.6.35-rc3 deadlocks on semaphore operations Manfred Spraul
2010-06-23 20:27     ` Christoph Lameter

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