Re: [Vserver] Unaligned access in kernel 2.6.18.2 with vserver 2.1.1 on sparc64

From: Peter Falth <peter.falth_at_tin.it>
Date: Mon 20 Nov 2006 - 22:45:56 GMT
Message-ID: <45623024.9040600@tin.it>

I saw that my answer did not reach the list, so here it is again

Herbert Poetzl wrote:
> On Wed, Nov 15, 2006 at 01:54:48AM +0100, Peter Falth wrote:
>> I get an unaligned access kernel warning when the host boots up.
>> This is also repeated when I do vserver-stat.
>> I have tested both Debian precompiled and compiled
>> myself from the kernel sources with the same result.
>
> means you got vanilla 2.6.18.2 from kernel.org and
> the vs2.1.1 patch and it gave the unaligned access too?
>
Yes a vanilla 2.6.18.2 + vs2.1.1
also vs 2.0.2.2-rc5 gave the same unaligned access
>> Except for this it works great. It was my first time
>> using vserver
>
> welcome to the club!
>
>> Debian unstable sparc64 on Ultra 5 and 10.
>> The unpatched kernel do not show the access errors
>
> unpatched means, unpatched debian or unpatched
> vanailla from kernel.org?
yes vanilla from kernel.org
>
>> Here is a copy of the error mesages
>>
>>
>> U10:/home/peter# vserver-stat
>> CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME
>> 0 69 354.5M 111.5M 2m37s41 1m00s66 1d14h25 root server
>> 49152 19 254.7M 107.3M 1m31s90 0m14s64 1d14h22 vs1
>>
>>
>> From kernel messages
>>
>> Nov 14 14:17:29 U10 kernel: Kernel unaligned access at TPC[4bf060]
>> filldir64+0x68/0x140
>> Nov 14 14:17:29 U10 kernel: Kernel unaligned access at TPC[4bf07c]
>> filldir64+0x84/0x140
>> Nov 14 14:17:29 U10 kernel: Kernel unaligned access at TPC[4bf034]
>> filldir64+0x3c/0x140
>> Nov 14 14:17:29 U10 kernel: Kernel unaligned access at TPC[4bf060]
>> filldir64+0x68/0x140
>> Nov 14 14:17:29 U10 kernel: Kernel unaligned access at TPC[4bf07c]
>> filldir64+0x84/0x140
>
> would you be willing to run a test patch on that machine?
> I would be interesting in investigating this, whenever you
> find some time ...
>
No problem, send the patch and I will try it out

Peter

> TIA,
> Herbert
>
>> Peter
>>
>> _______________________________________________
>> Vserver mailing list
>> Vserver@list.linux-vserver.org
>> http://list.linux-vserver.org/mailman/listinfo/vserver

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Received on Mon Nov 20 22:47:59 2006

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