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Re: agf corruption on the alpha

To: Thomas Graichen <graichen@xxxxxxxxxxxxx>
Subject: Re: agf corruption on the alpha
From: Russell Cattelan <cattelan@xxxxxxxxxxx>
Date: Fri, 01 Dec 2000 11:21:48 -0600
Cc: linux-xfs@xxxxxxxxxxx
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Thomas Graichen wrote:

>
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f71e0 block 2 size 512
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f71e0 block 48 size 
> 8192  °c4
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f71e0 block 1 size 512
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f71e0 block 3 size 512
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f71e0 block 32 size 
> 8192  VÓ#
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f71e0 block 16 size 8192
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f7280 block 265154 size 
> 3072      þíº¾
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f7280 block 2 size 512  
>   XAGI
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f6600 block 48 size 
> 8192  IABT
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00041d7dc0 block 1 size 512  
>   XAGF
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00041d7d20 block 32 size 
> 8192  ABTC
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00041d7f00 block 16 size 
> 8192  ABTB
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00041d7e60 block 0 size 1024 
>   XFSB
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00041d7460 block 128 size 
> 8192 INAí
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f6600 block 0 size 1024 
>   XFSB

Ok here it is. The superblock write has the wrong size (1024)
The really odd thing the AGF and AGI are the correct size, I has half expecting 
them to
be 1024 also.

I will probably have to stare at the code a bit before I have any more 
suggestions.


>
> <4>_pagebuf page io calling gmk itr 0 bh 0xfffffc00054f6600 block 265160 size 
> 1024      þíº¾
>
> i hope it is complete - because there are problems with the prink's not
> getting out all - klogd and syslogd seem to eat them up somehow - the
> above is what i got using "cat /proc/kmsg" which should be fine i
> think
>
> please let me know if you need also output from some more fs activity
> than just that simple echo to file (but i thought this might be
> simpler for you to find somthing in)
>
> good luck
>
> t
>
> p.s.: is there any trick to get the printk stuff out in a more prefect
>       way (i.e. complete and in perfect sync via klogd/syslogd)?

Not that I know of... mostly I just capture stuff with kermit logging.


>
>
> --
> thomas.graichen@xxxxxxxxxxxxxx
> technical director                                       innominate AG
> clustering & security                             the linux architects
> tel: +49-30-308806-13   fax: -77             http://www.innominate.com


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