From: Maciej Rutecki <maciej.rutecki@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-bluetooth@vger.kernel.org, marcel@holtmann.org
Subject: Re: [2.6.29-git12] BUG: scheduling while atomic: swapper/0/0x10000100
Date: Fri, 10 Apr 2009 16:47:36 +0200 [thread overview]
Message-ID: <8db1092f0904100747w297a0daas9ebd05486d06e706@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.2.00.0904101329170.21577@localhost.localdomain>
2009/4/10 Thomas Gleixner <tglx@linutronix.de>:
> On Fri, 10 Apr 2009, Maciej Rutecki wrote:
>
>> 2009/4/10 Andrew Morton <akpm@linux-foundation.org>
>>
>> > Did this get fixed?
>>
>> On 2.6.30-rc1-git3 still the same:
>> [ =C2=A0162.541793] BUG: scheduling while atomic: swapper/0/0x10000100
>
> Yikes.
>
> 0x10000100
> =C2=A0 =C2=A0 =C2=A0 ^----- softirq count leaked.
>
> We have a check for that in do_softirq, but none in do_IRQ. Can you
> please apply the patch below and test whether it triggers ?
When I try connect with bluetooth, and connecting hangs, very often I
observe high load of cpu, and system was very unresponsive. ksoftirqd
has up to 100% load:
http://unixy.pl/maciek/download/kernel/2.6.30-rc1-git3/laptop/img_0002.jpg
After this I reboot laptop.
>From syslog:
http://unixy.pl/maciek/download/kernel/2.6.30-rc1-git3/laptop/syslog.txt
--=20
Maciej Rutecki
http://www.maciek.unixy.pl
next prev parent reply other threads:[~2009-04-10 14:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-07 7:37 [2.6.29-git12] BUG: scheduling while atomic: swapper/0/0x10000100 Maciej Rutecki
2009-04-10 4:20 ` Andrew Morton
2009-04-10 10:40 ` Maciej Rutecki
2009-04-10 11:41 ` Thomas Gleixner
2009-04-10 14:47 ` Maciej Rutecki [this message]
2009-04-10 16:26 ` Thomas Gleixner
2009-04-10 16:52 ` Maciej Rutecki
2009-04-10 17:16 ` Thomas Gleixner
2009-04-10 17:57 ` Maciej Rutecki
2009-04-10 18:25 ` Thomas Gleixner
2009-04-18 13:04 ` Dave Young
2009-04-11 19:52 ` Marcel Holtmann
2009-05-16 14:31 ` Maciej Rutecki
2009-04-10 16:57 ` Maciej Rutecki
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