linux-kernel - Re: scheduling while atomic and DEBUG_SPINLOCK

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Message-ID: <46820316.7070406@ringle.org>
Date:	Wed, 27 Jun 2007 02:26:30 -0400
From:	Jon Ringle <jon@...gle.org>
To:	Arjan van de Ven <arjan@...radead.org>
CC:	Jon Ringle <JRingle@...tical.com>, linux-kernel@...r.kernel.org
Subject: Re: scheduling while atomic and DEBUG_SPINLOCK_SLEEP

Arjan van de Ven wrote:
> On Tue, 2007-06-26 at 22:55 -0400, Jon Ringle wrote:
>   
>> Hello,
>> Out of these two, the first one that is showing "in_atomic():1" seems
>> more likely to me to be a potential cause of the "scheduling while
>> atomic" dump.
>>
>> Does this logic seem reasonable? Are there other debugging techniques I
>> can use to narrow down the cause for the "scheduling while atomic"?
>>     
>
>
> you could start by giving us pointers to the sources of the two
> drivers... without that... how can we look and help?
>
>   
You can get Intel's source from here:
GPL_ixp400LinuxEthernetDriverPatch-1_5.zip:
http://downloadcenter.intel.com/detail_desc.aspx?agr=N&ProductID=2100&DwnldID=9519

BSD_ixp400AccessLibrary-2_1.zip:
http://downloadfinder.intel.com/scripts-df/detail_desc.asp?agr=Y&ProductID=2100&DwnldID=10146

Jon
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