From: Badalian Vyacheslav <slavon@bigtelecom•ru>
To: Patrick McHardy <kaber@trash•net>
Cc: Jarek Poplawski <jarkao2@gmail•com>,
netdev@vger•kernel.org, Denys <denys@visp•net.lb>
Subject: Re: deadlocks if use htb
Date: Fri, 10 Oct 2008 16:54:59 +0400 [thread overview]
Message-ID: <48EF50A3.7090607@bigtelecom.ru> (raw)
In-Reply-To: <48EF4BEE.7030400@trash.net>
Patrick McHardy пишет:
> Patrick McHardy wrote:
>> Jarek Poplawski wrote:
>>> On 10-10-2008 07:44, Badalian Vyacheslav wrote:
>>>> Hello all!
>>>
>>> Hello Slavon,
>>>
>>>> Please look to if you have time:
>>>> http://bugzilla.kernel.org/show_bug.cgi?id=11718
>>>>
>>>> We have deadlocks at few PC one times in week.
>>>> I can test any patches to detect and fix problem.
>>>> Now i test 2.6.27-rc kernel at one PC.
>>>
>>> A similar bug was reported by Denys Fedoryshchenko but it wasn't fully
>>> diagnosed. Anyway it looks like hardware dependent. The patch below
>>> can sometimes help. 2.6.27 may have this fixed too (some other way).
>>
>> I doubt its hardware related, whats happening is that the hrtimer
>> insertion gets into an endless loop because the rb tree (or node)
>> apparently has a loop. I went through the qdiscs' use of hrtimers
>> again, but can't spot any error there.
>>
>> Denys, did your systems also have CONFIG_HIGH_RES_TIMERS=n?
>
> Badalian, please try enabling CONFIG_DEBUG_OBJECTS and post the
> results, if any.
i have some results with CONFIG_HIGH_RES_TIMERS=n and
CONFIG_HIGH_RES_TIMERS=y
Ok... i recompile kernel... simple wait crash for reboot =)
Now i have pc:
1. 2.6.27 with patch
2. 2.6.26.6 with htb_hysteresis=1 and CONFIG_DEBUG_OBJECTS=n
3. 2.6.26.6 with htb_hysteresis=1 and CONFIG_DEBUG_OBJECTS=y (wait for
crash for reboot)
4. 2 servers deadlocked and not rebooted after panic (2.6.26.5
kernel)... need for drive to its for reboot...
5. 4 pc with 2.6.24-rc7-git2 that also do equal shaping but not have
crashes(its on other hardware)
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prev parent reply other threads:[~2008-10-10 12:55 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-10 5:44 deadlocks if use htb Badalian Vyacheslav
2008-10-10 7:56 ` Jarek Poplawski
2008-10-10 8:46 ` Badalian Vyacheslav
2008-10-10 8:52 ` Badalian Vyacheslav
2008-10-10 9:04 ` Jarek Poplawski
2008-10-10 9:51 ` Jarek Poplawski
2008-10-16 8:28 ` Badalian Vyacheslav
2008-10-16 8:40 ` Jarek Poplawski
2008-10-22 6:06 ` Badalian Vyacheslav
2008-10-22 7:02 ` Jarek Poplawski
2008-12-10 15:14 ` Badalian Vyacheslav
2008-12-11 8:46 ` Jarek Poplawski
2008-12-15 11:13 ` Jarek Poplawski
2008-12-16 7:37 ` Badalian Vyacheslav
2008-12-18 6:43 ` Badalian Vyacheslav
2008-12-18 8:17 ` Jarek Poplawski
2008-12-18 11:23 ` Badalian Vyacheslav
2008-12-18 11:37 ` Jarek Poplawski
2009-01-14 2:43 ` Chris Caputo
2009-01-14 6:39 ` Jarek Poplawski
2009-01-14 12:17 ` Denys Fedoryschenko
2009-01-14 12:36 ` Jarek Poplawski
2009-01-14 12:41 ` Denys Fedoryschenko
2009-01-14 12:50 ` Peter Zijlstra
2009-01-14 13:04 ` Jarek Poplawski
2009-01-14 13:05 ` Denys Fedoryschenko
2009-01-14 13:12 ` Jarek Poplawski
2009-01-14 13:15 ` Peter Zijlstra
2009-01-14 13:19 ` Denys Fedoryschenko
2009-01-14 13:26 ` Jarek Poplawski
2009-01-14 13:32 ` Peter Zijlstra
2009-01-14 13:57 ` Jarek Poplawski
2009-01-14 14:13 ` Jarek Poplawski
2009-01-14 14:28 ` Peter Zijlstra
2009-01-14 14:39 ` Jarek Poplawski
2009-01-15 9:01 ` Jarek Poplawski
2009-01-15 10:46 ` Peter Zijlstra
2009-01-15 10:54 ` Jarek Poplawski
2009-01-14 18:02 ` Chris Caputo
2009-01-15 6:53 ` Jarek Poplawski
2009-01-15 7:12 ` Badalian Vyacheslav
2009-01-15 8:09 ` Jarek Poplawski
2009-01-15 9:01 ` Denys Fedoryschenko
2009-01-15 9:06 ` Jarek Poplawski
2009-01-15 9:40 ` Badalian Vyacheslav
2009-01-15 9:54 ` Jarek Poplawski
2009-01-15 9:57 ` Denys Fedoryschenko
2009-01-15 10:06 ` Jarek Poplawski
2009-01-15 10:10 ` Jarek Poplawski
2009-01-15 10:40 ` Denys Fedoryschenko
2009-01-15 7:26 ` Chris Caputo
2009-01-15 7:54 ` Jarek Poplawski
2009-01-15 9:45 ` Jarek Poplawski
2009-01-15 12:00 ` Chris Caputo
2009-01-15 12:18 ` Jarek Poplawski
2009-01-15 13:53 ` Chris Caputo
2009-01-16 6:51 ` Badalian Vyacheslav
2009-01-19 5:46 ` David Miller
2009-01-19 6:57 ` [PATCH] " Jarek Poplawski
2009-01-19 7:42 ` Badalian Vyacheslav
2009-01-19 7:57 ` Jarek Poplawski
2009-01-20 1:29 ` David Miller
2008-10-10 12:32 ` Patrick McHardy
2008-10-10 12:34 ` Patrick McHardy
2008-10-10 12:54 ` Badalian Vyacheslav [this message]
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