From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 76261] ext4_da_writepages err -30 after remount ro during
shutdown
Date: Mon, 19 May 2014 03:41:21 +0000
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--- Comment #12 from kun.chen ---
Hi Theodore,
How about these informations in the kmsg:
[76.209728]-(3)[1:init]SysRq: -(3)[1:init]Emergency Remount R/O
[76.282979] (3)[21:kworker/3:0]Emergency Remount Complete
......
[80.272068] (3)[3075:kworker/u8:5]EXT4-fs (mmcblk0p15): ext4_da_writepages:
jbd2_start: 1024 pages, ino 131067; err -30
......
[85.407025] (1)[3075:kworker/u8:5]EXT4-fs (mmcblk0p15): ext4_da_writepages:
jbd2_start: 1024 pages, ino 131067; err -30
......
[90.601634] (0)[3075:kworker/u8:5]EXT4-fs (mmcblk0p15): ext4_da_writepages:
jbd2_start: 1024 pages, ino 131067; err -30
"ext4_da_writepages: jbd2_start: 1024 pages, ino 131067; err -30" was presented
every 5 seconds, so means these dirty pages old than 30 seconds? If so, these
datas were written before shutdown, but did not be written out after sync() and
emergency_remount(), does it normal?
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