| To: | David Greaves <david@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: Bad page state in process 'nfsd' with xfs |
| From: | Nick Piggin <nickpiggin@xxxxxxxxxxxx> |
| Date: | Sun, 30 Apr 2006 12:06:09 +1000 |
| Cc: | "'linux-kernel@xxxxxxxxxxxxxxx'" <linux-kernel@xxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx |
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| Sender: | linux-xfs-bounce@xxxxxxxxxxx |
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David Greaves wrote: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 This was with 2.6.16.9 There's an nfs export from an xfs on an lvm on a raid5 on some libata/sata disks. (cc'ing xfs since I recall rumoured(?) badness in old nfs/xfs/md/lvm setups and xfs_sendfile is mentioned) dmesg had: Bad page state in process 'nfsd' page:b1602060 flags:0x80000008 mapping:00000000 mapcount:0 count:16777216 Trying to fix it up, but a reboot is needed Backtrace: [<b013bda2>] bad_page+0x62/0x90 [<b013c1c8>] prep_new_page+0x78/0x80 Looks like you have a bit flipped in 'count', which was not flipped when the page was last freed. Probably buggy RAM. Running memtest overnight might confirm that. -- SUSE Labs, Novell Inc.Send instant messages to your online friends http://au.messenger.yahoo.com |
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