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Re: do_IRQ stack overflow on 32-bit CentOS 4

To: Orion Poplawski <orion@xxxxxxxxxxxxx>
Subject: Re: do_IRQ stack overflow on 32-bit CentOS 4
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Tue, 30 Jun 2009 13:10:08 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <4A4A50EC.4090201@xxxxxxxxxxx>
References: <loom.20090630T165732-116@xxxxxxxxxxxxxx> <4A4A50EC.4090201@xxxxxxxxxxx>
User-agent: Thunderbird 2.0.0.22 (Macintosh/20090605)
Eric Sandeen wrote:
> Orion Poplawski wrote:
>> Just hit a:
>>
>> do_IRQ: stack overflow: 452
>>
>> on 32-bit CentOS 4 machine with xfs-kmod-0.4-2.el4.  Is there anything that 
>> can
>> be done to minimize this risk?  Running xfs over md raid5 array, exporting 
>> via
>> nfs.  More kernel dump messages are posted at:
>>
>> http://bugs.centos.org/view.php?id=3136
> 
> get an x86_64 machine ;)
> 
> The stack overflow message is misleading; it means you have 452 -left-
> 
> unfortunately on some kernels, simply printing that message actually
> consumes what's left, and more.  See http://lkml.org/lkml/2007/8/29/245
> 
> This was fixed in 2.6.18-108.el5 and beyond.

Oh, for RHEL^wCENTOS4 it was fixed in 2.6.9-78.8.EL and beyond.

-Eric

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