linux-ext4 - Re: Call trace in ext4_es_lru

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Message-ID: <54758A13.20209@profihost.ag>
Date:	Wed, 26 Nov 2014 09:06:43 +0100
From:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
To:	Jan Kara <jack@...e.cz>
CC:	Theodore Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org,
	"p.herz@...fihost.ag >> Philipp Herz - Profihost AG" 
	<p.herz@...fihost.ag>, stable@...r.kernel.org,
	Zheng Liu <wenqing.lz@...bao.com>
Subject: Re: Call trace in ext4_es_lru_add on 3.10 stable

Hi all,

i'm still getting a lot of those call traces:
"
Call Trace:
 [<ffffffffa01d7006>] ext4_es_lru_add+0x26/0x80 [ext4]
 [<ffffffffa01d7286>] ext4_es_insert_extent+0x96/0x100 [ext4]
 [<ffffffffa01c3fd3>] ? ext4_find_delalloc_range+0x23/0x60 [ext4]
 [<ffffffffa019b781>] ext4_map_blocks+0x111/0x450 [ext4]
 [<ffffffffa019d167>] _ext4_get_block+0x87/0x190 [ext4]
 [<ffffffffa019d2c6>] ext4_get_block+0x16/0x20 [ext4]
 [<ffffffff8117f73f>] generic_block_bmap+0x3f/0x50
 [<ffffffffa013f4ae>] ? jbd2_journal_file_buffer+0x4e/0x80 [jbd2]
 [<ffffffff810f6242>] ? mapping_tagged+0x12/0x20
 [<ffffffffa019ad71>] ext4_bmap+0x91/0xf0 [ext4]
 [<ffffffff811686de>] bmap+0x1e/0x30
 [<ffffffffa0148063>] jbd2_journal_bmap+0x33/0xb0 [jbd2]
 [<ffffffffa014831d>] jbd2_journal_next_log_block+0x7d/0x90 [jbd2]
 [<ffffffffa0140238>] jbd2_journal_commit_transaction+0x7f8/0x1ae0 [jbd2]
 [<ffffffff81084e13>] ? idle_balance+0xd3/0x110
 [<ffffffff8105a018>] ? lock_timer_base.isra.35+0x38/0x70
 [<ffffffffa014593a>] kjournald2+0xba/0x230 [jbd2]
 [<ffffffff81070360>] ? finish_wait+0x80/0x80
 [<ffffffffa0145880>] ? jbd2_journal_release_jbd_inode+0x130/0x130 [jbd2]
 [<ffffffff8106fb60>] kthread+0xc0/0xd0
 [<ffffffff8106faa0>] ? kthread_create_on_node+0x130/0x130
 [<ffffffff81554c2c>] ret_from_fork+0x7c/0xb0
 [<ffffffff8106faa0>] ? kthread_create_on_node+0x130/0x130
"

Is there any chance to fix them in vanilla 3.10.61?

Greets,
Stefan
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