From: Wang Shilong <wangshilong1991@gmail.com>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs: qgroup scan failed with -12
Date: Mon, 23 Sep 2013 21:00:03 +0800 [thread overview]
Message-ID: <9CF3BF16-C532-4890-BBED-AAAB8EEA2EEF@gmail.com> (raw)
In-Reply-To: <20130923074344.60f629d7@wpkg.org>
Hello,
I think this problem may be related to qgroup memory leak that you also reported before,
however, i have not reproduced it in my test box.
By the way, did you machine still exist high memory cost with quota enabled?
Thanks,
Wang
> Not sure if it's anything interesting - I had the following entry in
> dmesg a few days ago, on a server with 32 GB RAM. The system is still working fine.
>
> [1878432.675210] btrfs-qgroup-re: page allocation failure: order:5, mode:0x104050
> [1878432.675319] CPU: 5 PID: 22251 Comm: btrfs-qgroup-re Not tainted 3.11.0-rc7 #2
> [1878432.675417] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 1106 10/17/2011
> [1878432.675517] 0000000000104050 ffff88062a981948 ffffffff81378c52 ffff88083fb4d958
> [1878432.675618] 0000000000000001 ffff88062a9819d8 ffffffff810af9a4 0000000000000000
> [1878432.675721] ffffffff817c8100 ffff88062a981978 ffff88083fddea00 ffff88083fddea38
> [1878432.675821] Call Trace:
> [1878432.675874] [<ffffffff81378c52>] dump_stack+0x46/0x58
> [1878432.675927] [<ffffffff810af9a4>] warn_alloc_failed+0x110/0x124
> [1878432.675981] [<ffffffff810b1fd8>] __alloc_pages_nodemask+0x6a4/0x793
> [1878432.676036] [<ffffffff810db7e8>] alloc_pages_current+0xc8/0xe5
> [1878432.676098] [<ffffffff810af06c>] __get_free_pages+0x9/0x36
> [1878432.676150] [<ffffffff810e27b9>] __kmalloc_track_caller+0x35/0x163
> [1878432.676204] [<ffffffff810bde12>] krealloc+0x52/0x8c
> [1878432.676265] [<ffffffffa036cdcb>] ulist_add_merge+0xe1/0x14e [btrfs]
> [1878432.676324] [<ffffffffa036bcf0>] find_parent_nodes+0x49c/0x5a5 [btrfs]
> [1878432.676383] [<ffffffffa036be75>] btrfs_find_all_roots+0x7c/0xd7 [btrfs]
> [1878432.676441] [<ffffffffa036d6e1>] ? qgroup_account_ref_step1+0xea/0x102 [btrfs]
> [1878432.676542] [<ffffffffa036d915>] btrfs_qgroup_rescan_worker+0x21c/0x516 [btrfs]
> [1878432.676645] [<ffffffffa03482cc>] worker_loop+0x15e/0x48e [btrfs]
> [1878432.676702] [<ffffffffa034816e>] ? btrfs_queue_worker+0x267/0x267 [btrfs]
> [1878432.676757] [<ffffffff8104e51a>] kthread+0xb5/0xbd
> [1878432.676809] [<ffffffff8104e465>] ? kthread_freezable_should_stop+0x43/0x43
> [1878432.676881] [<ffffffff8137da2c>] ret_from_fork+0x7c/0xb0
> [1878432.676950] [<ffffffff8104e465>] ? kthread_freezable_should_stop+0x43/0x43
> [1878432.677004] Mem-Info:
> [1878432.678293] Node 0 DMA per-cpu:
> [1878432.678341] CPU 0: hi: 0, btch: 1 usd: 0
> [1878432.678392] CPU 1: hi: 0, btch: 1 usd: 0
> [1878432.678443] CPU 2: hi: 0, btch: 1 usd: 0
> [1878432.678494] CPU 3: hi: 0, btch: 1 usd: 0
> [1878432.678544] CPU 4: hi: 0, btch: 1 usd: 0
> [1878432.678595] CPU 5: hi: 0, btch: 1 usd: 0
> [1878432.678646] CPU 6: hi: 0, btch: 1 usd: 0
> [1878432.678697] CPU 7: hi: 0, btch: 1 usd: 0
> [1878432.678747] Node 0 DMA32 per-cpu:
> [1878432.678797] CPU 0: hi: 186, btch: 31 usd: 0
> [1878432.678847] CPU 1: hi: 186, btch: 31 usd: 0
> [1878432.678897] CPU 2: hi: 186, btch: 31 usd: 0
> [1878432.678948] CPU 3: hi: 186, btch: 31 usd: 0
> [1878432.678998] CPU 4: hi: 186, btch: 31 usd: 0
> [1878432.679049] CPU 5: hi: 186, btch: 31 usd: 0
> [1878432.679111] CPU 6: hi: 186, btch: 31 usd: 0
> [1878432.679162] CPU 7: hi: 186, btch: 31 usd: 2
> [1878432.679214] Node 0 Normal per-cpu:
> [1878432.679270] CPU 0: hi: 186, btch: 31 usd: 31
> [1878432.679321] CPU 1: hi: 186, btch: 31 usd: 0
> [1878432.679372] CPU 2: hi: 186, btch: 31 usd: 0
> [1878432.679444] CPU 3: hi: 186, btch: 31 usd: 0
> [1878432.679495] CPU 4: hi: 186, btch: 31 usd: 0
> [1878432.679546] CPU 5: hi: 186, btch: 31 usd: 0
> [1878432.679596] CPU 6: hi: 186, btch: 31 usd: 30
> [1878432.679647] CPU 7: hi: 186, btch: 31 usd: 169
> [1878432.679700] active_anon:1062992 inactive_anon:522620 isolated_anon:0
> [1878432.679700] active_file:1050823 inactive_file:1052143 isolated_file:0
> [1878432.679700] unevictable:5892 dirty:1004 writeback:0 unstable:0
> [1878432.679700] free:2184567 slab_reclaimable:1142980 slab_unreclaimable:86405
> [1878432.679700] mapped:754301 shmem:9119 pagetables:21518 bounce:0
> [1878432.679700] free_cma:0
> [1878432.680007] Node 0 DMA free:15360kB min:8kB low:8kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15984kB managed:15360kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
> [1878432.680322] lowmem_reserve[]: 0 2897 32077 32077
> [1878432.680375] Node 0 DMA32 free:417660kB min:2068kB low:2584kB high:3100kB active_anon:4384kB inactive_anon:59696kB active_file:45640kB inactive_file:45652kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3040872kB managed:2968600kB mlocked:0kB dirty:4kB writeback:0kB mapped:224kB shmem:324kB slab_reclaimable:2333732kB slab_unreclaimable:59700kB kernel_stack:8kB pagetables:1708kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:4 all_unreclaimable? no
> [1878432.680771] lowmem_reserve[]: 0 0 29180 29180
> [1878432.680831] Node 0 Normal free:8305248kB min:20844kB low:26052kB high:31264kB active_anon:4247584kB inactive_anon:2030784kB active_file:4157652kB inactive_file:4162920kB unevictable:23568kB isolated(anon):0kB isolated(file):0kB present:30406656kB managed:29880648kB mlocked:23568kB dirty:4012kB writeback:0kB mapped:3016980kB shmem:36152kB slab_reclaimable:2238188kB slab_unreclaimable:285920kB kernel_stack:3328kB pagetables:84364kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
> [1878432.681207] lowmem_reserve[]: 0 0 0 0
> [1878432.681258] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) = 15360kB
> [1878432.681371] Node 0 DMA32: 19878*4kB (UEM) 18133*8kB (UEM) 12056*16kB (UEM) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 417504kB
> [1878432.681486] Node 0 Normal: 544554*4kB (EM) 536220*8kB (UEM) 114800*16kB (UM) 1*32kB (M) 2*64kB (R) 2*128kB (R) 1*256kB (R) 0*512kB 1*1024kB (R) 0*2048kB 0*4096kB = 8306472kB
> [1878432.681649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
> [1878432.681747] 2186705 total pagecache pages
> [1878432.681797] 73757 pages in swap cache
> [1878432.681846] Swap cache stats: add 8877981, delete 8804224, find 97677523/98270314
> [1878432.681943] Free swap = 32338688kB
> [1878432.681992] Total swap = 33553332kB
> [1878432.762593] 8388095 pages RAM
> [1878432.762659] 171943 pages reserved
> [1878432.762716] 4144353 pages shared
> [1878432.762764] 3906447 pages non-shared
> [1878432.762841] btrfs: qgroup scan failed with -12
>
>
> --
> Tomasz Chmielewski
>
> --
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next prev parent reply other threads:[~2013-09-23 13:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-23 0:43 btrfs: qgroup scan failed with -12 Tomasz Chmielewski
2013-09-23 13:00 ` Wang Shilong [this message]
2013-09-23 14:57 ` Josef Bacik
2013-09-23 17:19 ` David Sterba
2013-09-23 17:43 ` Josef Bacik
2013-09-25 10:11 ` David Sterba
2013-09-25 11:30 ` Tomasz Chmielewski
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