https://bugzilla.kernel.org/show_bug.cgi?id=41682 Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |penguin-kernel@I-love.SAKUR | |A.ne.jp --- Comment #3 from Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> 2011-08-25 06:49:29 --- I got similar one. Is this known? Mounting ext3 using CONFIG_EXT4_USE_FOR_EXT23=y . [12693.651048] [12693.651051] ================================= [12693.656823] [ INFO: inconsistent lock state ] [12693.677329] 3.1.0-rc3-ccs #2 [12693.679755] --------------------------------- [12693.683244] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage. [12693.688326] kswapd0/480 [HC0[0]:SC0[0]:HE1:SE1] takes: [12693.719783] (&sb->s_type->i_mutex_key#8){+.+.?.}, at: [<c112e21a>] ext4_evict_inode+0x1a/0x390 [12693.731590] {RECLAIM_FS-ON-W} state was registered at: [12693.762451] [<c106fab2>] mark_held_locks+0x92/0xf0 [12693.768854] [<c10700f8>] __lockdep_trace_alloc+0x48/0x80 [12693.775581] [<c1070172>] lockdep_trace_alloc+0x42/0x60 [12693.782109] [<c10cc4b7>] kmem_cache_alloc+0x27/0x110 [12693.812808] [<c10e458e>] __d_alloc+0x1e/0x150 [12693.819798] [<c10e46db>] d_alloc+0x1b/0x70 [12693.825203] [<c10da750>] d_alloc_and_lookup+0x20/0x60 [12693.855996] [<c10da94a>] do_lookup+0x16a/0x250 [12693.864001] [<c10db5fc>] path_lookupat+0xac/0x5f0 [12693.870089] [<c10dbb66>] do_path_lookup+0x26/0xc0 [12693.876151] [<c10dbecc>] user_path_at+0x3c/0x80 [12693.906933] [<c10ed550>] sys_pivot_root+0x60/0x230 [12693.913199] [<c13d7e61>] syscall_call+0x7/0xb [12693.919067] irq event stamp: 2056703 [12693.923434] hardirqs last enabled at (2056703): [<c10a5fdc>] free_hot_cold_page+0xdc/0x140 [12693.958561] hardirqs last disabled at (2056702): [<c10a5f6d>] free_hot_cold_page+0x6d/0x140 [12693.968638] softirqs last enabled at (2056670): [<c1044c61>] __do_softirq+0xa1/0x130 [12694.003380] softirqs last disabled at (2056655): [<c1004ce5>] call_on_stack+0x15/0x30 [12694.012930] [12694.012933] other info that might help us debug this: [12694.046175] Possible unsafe locking scenario: [12694.046181] [12694.053930] CPU0 [12694.057055] ---- [12694.060178] lock(&sb->s_type->i_mutex_key); [12694.114766] <Interrupt> [12694.118110] lock(&sb->s_type->i_mutex_key); [12694.124029] [12694.124031] *** DEADLOCK *** [12694.124033] [12694.156906] 2 locks held by kswapd0/480: [12694.162522] #0: (shrinker_rwsem){++++..}, at: [<c10ac5dc>] shrink_slab+0x2c/0x1e0 [12694.172667] #1: (&type->s_umount_key#20){+++++.}, at: [<c10d279a>] grab_super_passive+0x5a/0x80 [12694.208654] [12694.208658] stack backtrace: [12694.214322] Pid: 480, comm: kswapd0 Not tainted 3.1.0-rc3-ccs #2 [12694.246558] Call Trace: [12694.249721] [<c106f2fe>] print_usage_bug+0x16e/0x1b0 [12694.256060] [<c106f9ca>] mark_lock_irq+0x1ea/0x240 [12694.261860] [<c106f510>] ? print_irq_inversion_bug+0x1d0/0x1d0 [12694.293211] [<c10705ac>] mark_lock+0x21c/0x3c0 [12694.298676] [<c1070243>] mark_irqflags+0xb3/0x180 [12694.304386] [<c107100d>] __lock_acquire+0x37d/0x8f0 [12694.310277] [<c106ec27>] ? validate_chain+0x2a7/0x530 [12694.341481] [<c10705ac>] ? mark_lock+0x21c/0x3c0 [12694.347577] [<c10725da>] lock_acquire+0x7a/0xa0 [12694.353106] [<c112e21a>] ? ext4_evict_inode+0x1a/0x390 [12694.359303] [<c13d5965>] mutex_lock_nested+0x45/0x280 [12694.390984] [<c112e21a>] ? ext4_evict_inode+0x1a/0x390 [12694.397262] [<c112e21a>] ? ext4_evict_inode+0x1a/0x390 [12694.403439] [<c10722d7>] ? __lock_release+0x47/0x70 [12694.433772] [<c112e21a>] ext4_evict_inode+0x1a/0x390 [12694.466113] [<c10e746f>] evict+0x11f/0x180 [12694.471237] [<c10e74fc>] dispose_list+0x2c/0x40 [12694.476780] [<c10e77ee>] prune_icache_sb+0xce/0x240 [12694.482694] [<c10d223f>] prune_super+0xaf/0x130 [12694.513169] [<c10ac712>] shrink_slab+0x162/0x1e0 [12694.518857] [<c10ae3e8>] ? shrink_zone+0xf8/0x140 [12694.524569] [<c10aed47>] balance_pgdat+0x3d7/0x440 [12694.530376] [<c106fc50>] ? trace_hardirqs_on_caller+0x90/0x100 [12694.562185] [<c10aef8e>] kswapd+0xbe/0x160 [12694.567365] [<c105a3a5>] kthread+0x75/0x80 [12694.572419] [<c10aeed0>] ? kswapd_try_to_sleep+0x120/0x120 [12694.604239] [<c105a330>] ? kthread_data+0x20/0x20 [12694.610065] [<c13d8b5a>] kernel_thread_helper+0x6/0xd -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
