Re: [BUG] panic after umount (biscted)

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On Fri, Oct 26 2007, Sebastian Siewior wrote:
> After umount of 
> /dev/md/1 on /mnt/sec type xfs (rw,nosuid,nodev,noatime,nodiratime)
> 
> I end up with [1] on v2.6.24-rc1. It worked fine with v2.6.23. Bisec
> came to conclusion that 
> 
> |fd5d806266935179deda1502101624832eacd01f is first bad commit
> |commit fd5d806266935179deda1502101624832eacd01f
> |Author: Jens Axboe <[email protected]>
> |Date:   Tue Oct 16 11:05:02 2007 +0200
> |
> |    block: convert blkdev_issue_flush() to use empty barriers
> |    
> |    Then we can get rid of ->issue_flush_fn() and all the driver private
> |    implementations of that.
> |    
> |    Signed-off-by: Jens Axboe <[email protected]>
> |
> |:040000 040000 75f5c511fd785fa4c75b955f1818c382593a22ec adf460e288740ca9c0b5ab823dfc2ca04980f3d2 M      block
> |:040000 040000 a972fe9a2433a00c79fd5ead584c482cd08b4b2c 0f4534094b63fe21c5cf8a6170736abe5c518c00 M      drivers
> |:040000 040000 ba2a9f681826db89ba5192a7db7139baecde786a fc68a77a41d25c283f39f712216566e9b36d00fc M      include
> 
> is the bad boy here.
> The last panic (with first bad commit) is [2] (there is almost no 
> difference). My .config [3], lspci [4], bisec-log [5]. The md1 
> raid is a
> 
> |Personalities : [raid1] 
> |md1 : active raid1 sda2[1]
> |      174843328 blocks [2/1] [_U]
> |
> 
> I hope this was usefull. Now, I'm going to rebuild my raid now....
> 
> [1] http://download.breakpoint.cc/bug/bug_rc1.jpeg 166 KiB
> [2] http://download.breakpoint.cc/bug/bug_last_commit.jpeg 217 KiB
> [3] http://download.breakpoint.cc/bug/config.txt 27 KiB
> [4] http://download.breakpoint.cc/bug/lspci.txt 2.3 KiB
> [5] http://download.breakpoint.cc/bug/git-bisect-log.txt 2.3K

Thanks a lot, a full report on this issue. Will get this fixed up asap.

-- 
Jens Axboe

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