Messages in this thread | | | Date | Thu, 21 May 2015 14:03:25 +0530 (IST) | From | Govindarajulu Varadarajan <> | Subject | Re: btrfs: kernel BUG at mm/page-writeback.c:2286! |
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On Tue, 19 May 2015, Piotr Szymaniak wrote:
> On Tue, May 19, 2015 at 09:43:10AM -0400, Chris Mason wrote: >> On 05/19/2015 03:55 AM, Govindarajulu Varadarajan wrote: >>> 2286--->BUG_ON(!PageLocked(page)); >>> >>> [ 166.769868] BTRFS info (device sdf): no csum found for inode 1154 >>> start 43192320 >>> [ 166.774334] BTRFS info (device sdf): csum failed ino 1154 extent >>> 4434247680 csum 1388825687 wanted 0 mirror 0 >> >> >> Josef and I both missed this the first time you pasted it, but the >> unlocked page is almost certainly related to this csum error. While >> we're looking at things can you please scrub? > > Hi, > > In the original report there was: > >> [root@stg ~]#btrfs scru status /mnt/stg >> scrub status for dd10b751-d2aa-40d1-971f-e15b0062dd11 >> scrub started at Tue May 19 03:33:26 2015 and finished after 468 seconds >> total bytes scrubbed: 101.80GiB with 0 errors > > Correct me if I'm wrong, but I think that Govindarajulu Varadarajan made the > scrub _after_ the crash. >
I ran the scrub before and after the crash. Scrub shows 0 error but then I access the file which is corrupt, I get I/O error and csum failure in kernel log.
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