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SubjectRe: Data corruption
paul wrote:
> Since 2-3 month I have some random data corruption on my Linux server, after
> checking disks independently (i'm using raid1on 2 sata disk, the problem is
> the same w/o raid) and memory, hardware simce to be out of cause...
>
> Here is my problem:
> => head --bytes=300m /dev/urandom > test
> => for i in `seq 0 9` ; do cp test test$i ; done
> => md5sum test*
> I got :
> 014666c728c9e3b8299579fae499864a test
> 014666c728c9e3b8299579fae499864a test0
> 333fd93d093ac612cd8d5f65628f734e test1
> 1ab6ee68c6a7d9ff5a05f9d63f0f6df6 test2
> 96e96483e3175a59c9c05b6720514e1e test3
> 014666c728c9e3b8299579fae499864a test4
> b24dbccc9f4831f8825ab4a55a3be4aa test5
> 8493efc9c14e4b5c162ac23696fbc16a test6
> 6a5f4301f66d0379049d79d0e14e2a87 test7
> 2c81cfa1c3a03aba134574922ee5d75c test8
> 2ea15c8392bfd0123472a80125bb3abe test9
>
> ^^^ that sounds really bad for my data :(
>
> ===================================================================
> I did some tests :
> * badblocks on the two disk with ro and rw tests => report no error
> * memtest during 6 hours => report no error
>
> * I reproduces the error
> - under xen client host (first time issue)
> - under xen hypervisor
> - under basic kernel with raid mirroring + ext3 and raiserfs
> - under basic kernel w/o raid but ext3 ans reiserfs
>
> My configuration
> * Asus P5B-VM
> * 4 Gb [try with and w/o options memory remaping]
> * Intel Core 2 Duo [normal speed and underclocked(233 bus speed)]
> * Hd SATA WD 80Gb

Corruption with which controller? pata_jmicron? ata_piix? ahci?

Can you reproduce with 2.6.23-rc2? If not, please report the bug to
OpenSuSE, since we only support unmodified vanilla kernels here.

Jeff



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