> > I'm running 2.6.21.5 now with slab debugging on, here's what I got
about
> > slab corruption:
> >
> > Slab corruption: skbuff_head_cache start=ef287b78, len=164
> > Redzone: 0x5a2cf071/0x5a2cf071.
> > Last user: [<c031710c>](kfree_skbmem+0x3c/0x90)
> > 090: 6b 6b 6b 6b 6b 63 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> > Single bit error detected. Probably bad RAM.
> > Run memtest86+ or a similar memory test tool.
> > Prev obj: start=ef287ac8, len=164
> > Redzone: 0x170fc2a5/0x170fc2a5.
> > Last user: [<c031798b>](__alloc_skb+0x2b/0x100)
> > 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > 010: 00 00 00 00 e0 71 e6 ef 00 00 00 00 00 00 00 00
> > Next obj: start=ef287c28, len=164
> > Redzone: 0x170fc2a5/0x170fc2a5.
> > Last user: [<c031798b>](__alloc_skb+0x2b/0x100)
> > 000: 84 d0 85 c5 84 d0 85 c5 04 d0 85 c5 2c 0a 73 46
> > 010: 6f cd 09 00 00 00 00 00 01 00 00 00 08 e5 72 ee
> >
> > How probable is that it is really a bad memory issue?
> > Does this report say anything about which RAM chip I should
> > investigate/replace ? I have 1x512MB+1x256MB
> >
> > Best Regards,
> > Maciej
>
> I'd try doing as suggested above: run memtest86 on the computer for a
> couple of hours and see what it tells you. That should hopefully give
> you enough information to figure out which chips need replacing.
I am also getting BAD CRC on the disk that holds my swap partition.
I was wondering if slab debugging could say I have slab corruption not
because
my RAM chips are bad, but because SWAP has bad blocks ? And that the
whole problem might be swap disk related not ram related.
> Cheers
> Trond
Regards,
Maciej
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