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SubjectRe: 2.4.22-pre lockups (decoded oops for pre8)
On Sun, 3 Aug 2003 09:25:25 +0200
Willy Tarreau <> wrote:

> Hi Stephan,
> This is in remove_page_from_hash_queue() at filemap.c:114 :
> *pprev = next;
> pprev is taken from page->pprev_hash and is considered invalid here
> (4129b0fc). Assuming it has been corrupted earlier, it seems that the only
> files able to touch this either directly or indirectly are :
> - mm/filemap.c (add_page_to_hash_queue, add_to_page_cache*)
> - mm/shmem.c (add_to_page_cache_unique)
> - mm/swap_state.c (idem)

> - fs/ext3/inode.c and fs/buffer.c (find_or_create_page)

Ext3 is unlikely to be related, the box never saw ext3. Ext2 is only used on
/boot (so very unlikely, too), everything else is reiserfs.

> So the problem may be narrowed down to a few files. Perhaps digging through
> the VM changes since before you had a problem will give you more clues...
> Cheers,
> Willy

Thanks for commenting, the problem really is annoying because I _know_ the box
will freeze, only it takes time, this time 4 days...


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