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Date:	Mon, 1 Apr 2013 21:19:10 +0400
From:	Max Filippov <jcmvbkbc@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Jaegeuk Kim <jaegeuk.kim@...sung.com>, Jens Axboe <axboe@...nel.dk>
Subject: mkfs.f2fs gets stuck with "blk_update_request: bio idx 0 >= vcnt 0"
 on 3.8

Hi,

I'm trying to create f2fs filesystem on SD card on pandaboard using
f2fs-tools v1.0.0.
It works fine on Linus' v3.6, but fails on both v3.8 and stable v3.8.5:

# mkfs.f2fs /dev/mmcblk0p3
Info: sector size = 512
Info: total sectors = 11370496 (in 512bytes)
Info: zone aligned segment0 blkaddr: 512
[  257.789764] blk_update_request: bio idx 0 >= vcnt 0

mkfs process gets stuck in D state and I see the following in the dmesg:

[  257.789733] __end_that: dev mmcblk0: type=1, flags=122c8081
[  257.789764]   sector 4194304, nr/cnr 2981888/4294959104
[  257.789764]   bio df3840c0, biotail df3848c0, buffer   (null), len 1526726656
[  257.789764] blk_update_request: bio idx 0 >= vcnt 0
[  257.794921] request botched: dev mmcblk0: type=1, flags=122c8081
[  257.794921]   sector 4194304, nr/cnr 2981888/4294959104
[  257.794921]   bio df3840c0, biotail df3848c0, buffer   (null), len 1526726656

I'd appreciate any suggestion on what to try before I try to bisect it.

-- 
Thanks.
-- Max
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