Comment 5 for bug 442799

Nov 18 23:16:26 ns***** kernel: ------------[ cut here ]------------
Nov 18 23:16:26 ns***** kernel: WARNING: at fs/quota/dquot.c:964 dquot_claim_space+0x151/0x180()
Nov 18 23:16:26 ns***** kernel: Hardware name:
Nov 18 23:16:26 ns***** kernel: Pid: 393, comm: pdflush Tainted: G W 2.6.31.5-grsec-xxxx-grs-ipv6-64 #2
Nov 18 23:16:26 ns***** kernel: Call Trace:
Nov 18 23:16:26 ns***** kernel: [<ffffffff818e499c>] ? __down_read+0x1c/0xbb
Nov 18 23:16:26 ns***** kernel: [<ffffffff8113d491>] ? dquot_claim_space+0x151/0x180
Nov 18 23:16:26 ns***** kernel: [<ffffffff8106a053>] warn_slowpath_common+0x73/0xc0
Nov 18 23:16:26 ns***** kernel: [<ffffffff8106a0af>] warn_slowpath_null+0xf/0x20
Nov 18 23:16:26 ns***** kernel: [<ffffffff8113d491>] dquot_claim_space+0x151/0x180
Nov 18 23:16:26 ns***** kernel: [<ffffffff811e062b>] ext4_mb_mark_diskspace_used+0x39b/0x3b0
Nov 18 23:16:26 ns***** kernel: [<ffffffff811dfafc>] ? ext4_mb_initialize_context+0x7c/0x170
Nov 18 23:16:26 ns***** kernel: [<ffffffff811e348d>] ext4_mb_new_blocks+0x2bd/0x440
Nov 18 23:16:26 ns***** kernel: [<ffffffff811d8aeb>] ? ext4_ext_find_extent+0x13b/0x2f0
Nov 18 23:16:26 ns***** kernel: [<ffffffff811da6c5>] ext4_ext_get_blocks+0x5b5/0xff0
Nov 18 23:16:26 ns***** kernel: [<ffffffff81469afa>] ? __make_request+0x25a/0x3e0
Nov 18 23:16:26 ns***** kernel: [<ffffffff81467cd7>] ? generic_make_request+0x207/0x320
Nov 18 23:16:26 ns***** kernel: [<ffffffff818e48cc>] ? __down_write_nested+0x1c/0xc0
Nov 18 23:16:26 ns***** kernel: [<ffffffff818e499c>] ? __down_read+0x1c/0xbb
Nov 18 23:16:26 ns***** kernel: [<ffffffff811c5419>] ext4_get_blocks+0x1f9/0x370
Nov 18 23:16:26 ns***** kernel: [<ffffffff811c5915>] mpage_da_map_blocks+0xc5/0x7e0
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b8652>] ? pagevec_lookup_tag+0x22/0x30
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b67a2>] ? write_cache_pages+0x132/0x470
Nov 18 23:16:26 ns***** kernel: [<ffffffff811c6590>] ? __mpage_da_writepage+0x0/0x190
Nov 18 23:16:26 ns***** kernel: [<ffffffff811f1317>] ? jbd2_journal_stop+0x217/0x290
Nov 18 23:16:26 ns***** kernel: [<ffffffff811c631d>] ext4_da_writepages+0x2ed/0x490
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b6b38>] do_writepages+0x28/0x50
Nov 18 23:16:26 ns***** kernel: [<ffffffff8110ab1b>] writeback_single_inode+0x1db/0x480
Nov 18 23:16:26 ns***** kernel: [<ffffffff8105d298>] ? dequeue_entity+0x18/0x1a0
Nov 18 23:16:26 ns***** kernel: [<ffffffff8105e205>] ? dequeue_task_fair+0x45/0xb0
Nov 18 23:16:26 ns***** kernel: [<ffffffff8110b2e1>] generic_sync_sb_inodes+0x2e1/0x4c0
Nov 18 23:16:26 ns***** kernel: [<ffffffff8110b59f>] writeback_inodes+0x4f/0xf0
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b6cec>] wb_kupdate+0xbc/0x140
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b7ac0>] ? pdflush+0x0/0x250
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b7c0c>] pdflush+0x14c/0x250
Nov 18 23:16:26 ns***** kernel: [<ffffffff810b6c30>] ? wb_kupdate+0x0/0x140
Nov 18 23:16:26 ns***** kernel: [<ffffffff81082f56>] kthread+0xa6/0xc0
Nov 18 23:16:26 ns***** kernel: [<ffffffff8102de3a>] child_rip+0xa/0x20
Nov 18 23:16:26 ns***** kernel: [<ffffffff81912000>] ? cpu_gdt_table+0x0/0x20000
Nov 18 23:16:26 ns***** kernel: [<ffffffff81082eb0>] ? kthread+0x0/0xc0
Nov 18 23:16:26 ns***** kernel: [<ffffffff8102de30>] ? child_rip+0x0/0x20
Nov 18 23:16:26 ns***** kernel: ---[ end trace f9327ad7fe1241c9 ]---