[110926.972477] [110926.972482] ========================================================= [110926.972484] [ INFO: possible irq lock inversion dependency detected ] [110926.972486] 3.7.0-rc4 #1 Not tainted [110926.972487] --------------------------------------------------------- [110926.972489] kswapd0/725 just changed the state of lock: [110926.972490] (sb_internal){.+.+.?}, at: [] xfs_trans_alloc+0x28/0x50 [110926.972499] but this lock took another, RECLAIM_FS-unsafe lock in the past: [110926.972500] (&(&ip->i_lock)->mr_lock/1){+.+.+.} [110926.972500] [110926.972500] and interrupts could create inverse lock ordering between them. [110926.972500] [110926.972503] [110926.972503] other info that might help us debug this: [110926.972504] Possible interrupt unsafe locking scenario: [110926.972504] [110926.972505] CPU0 CPU1 [110926.972506] ---- ---- [110926.972507] lock(&(&ip->i_lock)->mr_lock/1); [110926.972509] local_irq_disable(); [110926.972509] lock(sb_internal); [110926.972511] lock(&(&ip->i_lock)->mr_lock/1); [110926.972512] [110926.972513] lock(sb_internal); [110926.972514] [110926.972514] *** DEADLOCK *** [110926.972514] [110926.972516] 2 locks held by kswapd0/725: [110926.972517] #0: (shrinker_rwsem){++++..}, at: [] shrink_slab+0x32/0x1f0 [110926.972522] #1: (&type->s_umount_key#20){++++.+}, at: [] grab_super_passive+0x3e/0x90 [110926.972527] [110926.972527] the shortest dependencies between 2nd lock and 1st lock: [110926.972533] -> (&(&ip->i_lock)->mr_lock/1){+.+.+.} ops: 58117 { [110926.972536] HARDIRQ-ON-W at: [110926.972537] [] __lock_acquire+0x631/0x1c00 [110926.972540] [] lock_acquire+0x55/0x70 [110926.972542] [] down_write_nested+0x4a/0x70 [110926.972545] [] xfs_ilock+0x84/0xb0 [110926.972548] [] xfs_create+0x1d4/0x5a0 [110926.972550] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972552] [] xfs_vn_create+0xe/0x10 [110926.972554] [] vfs_create+0x72/0xc0 [110926.972556] [] do_last.isra.69+0x80e/0xc80 [110926.972558] [] path_openat.isra.70+0xab/0x490 [110926.972560] [] do_filp_open+0x3d/0xa0 [110926.972562] [] do_sys_open+0xf9/0x1e0 [110926.972565] [] sys_open+0x1c/0x20 [110926.972567] [] system_call_fastpath+0x16/0x1b [110926.972570] SOFTIRQ-ON-W at: [110926.972571] [] __lock_acquire+0x667/0x1c00 [110926.972573] [] lock_acquire+0x55/0x70 [110926.972574] [] down_write_nested+0x4a/0x70 [110926.972576] [] xfs_ilock+0x84/0xb0 [110926.972578] [] xfs_create+0x1d4/0x5a0 [110926.972580] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972581] [] xfs_vn_create+0xe/0x10 [110926.972583] [] vfs_create+0x72/0xc0 [110926.972585] [] do_last.isra.69+0x80e/0xc80 [110926.972587] [] path_openat.isra.70+0xab/0x490 [110926.972589] [] do_filp_open+0x3d/0xa0 [110926.972591] [] do_sys_open+0xf9/0x1e0 [110926.972593] [] sys_open+0x1c/0x20 [110926.972595] [] system_call_fastpath+0x16/0x1b [110926.972597] RECLAIM_FS-ON-W at: [110926.972598] [] mark_held_locks+0x7e/0x130 [110926.972600] [] lockdep_trace_alloc+0x63/0xc0 [110926.972601] [] kmem_cache_alloc+0x35/0xe0 [110926.972603] [] vm_map_ram+0x271/0x770 [110926.972606] [] _xfs_buf_map_pages+0x46/0xe0 [110926.972609] [] xfs_buf_get_map+0x8a/0x130 [110926.972610] [] xfs_trans_get_buf_map+0xa9/0xd0 [110926.972613] [] xfs_ialloc_inode_init+0xcd/0x1d0 [110926.972616] [] xfs_ialloc_ag_alloc+0x1be/0x560 [110926.972618] [] xfs_dialloc+0x185/0x2a0 [110926.972619] [] xfs_ialloc+0x58/0x650 [110926.972621] [] xfs_dir_ialloc+0x65/0x270 [110926.972623] [] xfs_create+0x3ac/0x5a0 [110926.972624] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972626] [] xfs_vn_create+0xe/0x10 [110926.972628] [] vfs_create+0x72/0xc0 [110926.972630] [] do_last.isra.69+0x80e/0xc80 [110926.972632] [] path_openat.isra.70+0xab/0x490 [110926.972634] [] do_filp_open+0x3d/0xa0 [110926.972636] [] do_sys_open+0xf9/0x1e0 [110926.972638] [] sys_open+0x1c/0x20 [110926.972640] [] system_call_fastpath+0x16/0x1b [110926.972642] INITIAL USE at: [110926.972642] [] __lock_acquire+0x2e9/0x1c00 [110926.972644] [] lock_acquire+0x55/0x70 [110926.972646] [] down_write_nested+0x4a/0x70 [110926.972648] [] xfs_ilock+0x84/0xb0 [110926.972650] [] xfs_create+0x1d4/0x5a0 [110926.972651] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972653] [] xfs_vn_create+0xe/0x10 [110926.972655] [] vfs_create+0x72/0xc0 [110926.972657] [] do_last.isra.69+0x80e/0xc80 [110926.972659] [] path_openat.isra.70+0xab/0x490 [110926.972661] [] do_filp_open+0x3d/0xa0 [110926.972663] [] do_sys_open+0xf9/0x1e0 [110926.972664] [] sys_open+0x1c/0x20 [110926.972666] [] system_call_fastpath+0x16/0x1b [110926.972668] } [110926.972669] ... key at: [] __key.41355+0x1/0x8 [110926.972672] ... acquired at: [110926.972672] [] lock_acquire+0x55/0x70 [110926.972674] [] down_write_nested+0x4a/0x70 [110926.972676] [] xfs_ilock+0x84/0xb0 [110926.972678] [] xfs_create+0x1d4/0x5a0 [110926.972679] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972681] [] xfs_vn_create+0xe/0x10 [110926.972683] [] vfs_create+0x72/0xc0 [110926.972684] [] do_last.isra.69+0x80e/0xc80 [110926.972686] [] path_openat.isra.70+0xab/0x490 [110926.972688] [] do_filp_open+0x3d/0xa0 [110926.972690] [] do_sys_open+0xf9/0x1e0 [110926.972692] [] sys_open+0x1c/0x20 [110926.972694] [] system_call_fastpath+0x16/0x1b [110926.972696] [110926.972696] -> (sb_internal){.+.+.?} ops: 1710064 { [110926.972699] HARDIRQ-ON-R at: [110926.972700] [] __lock_acquire+0x50a/0x1c00 [110926.972702] [] lock_acquire+0x55/0x70 [110926.972704] [] __sb_start_write+0xab/0x190 [110926.972705] [] xfs_trans_alloc+0x28/0x50 [110926.972707] [] xfs_create+0x187/0x5a0 [110926.972709] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972711] [] xfs_vn_create+0xe/0x10 [110926.972712] [] vfs_create+0x72/0xc0 [110926.972714] [] do_last.isra.69+0x80e/0xc80 [110926.972716] [] path_openat.isra.70+0xab/0x490 [110926.972718] [] do_filp_open+0x3d/0xa0 [110926.972720] [] do_sys_open+0xf9/0x1e0 [110926.972722] [] sys_open+0x1c/0x20 [110926.972724] [] system_call_fastpath+0x16/0x1b [110926.972726] SOFTIRQ-ON-R at: [110926.972727] [] __lock_acquire+0x667/0x1c00 [110926.972728] [] lock_acquire+0x55/0x70 [110926.972730] [] __sb_start_write+0xab/0x190 [110926.972732] [] xfs_trans_alloc+0x28/0x50 [110926.972734] [] xfs_create+0x187/0x5a0 [110926.972735] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972737] [] xfs_vn_create+0xe/0x10 [110926.972739] [] vfs_create+0x72/0xc0 [110926.972741] [] do_last.isra.69+0x80e/0xc80 [110926.972743] [] path_openat.isra.70+0xab/0x490 [110926.972745] [] do_filp_open+0x3d/0xa0 [110926.972747] [] do_sys_open+0xf9/0x1e0 [110926.972749] [] sys_open+0x1c/0x20 [110926.972750] [] system_call_fastpath+0x16/0x1b [110926.972752] IN-RECLAIM_FS-R at: [110926.972753] [] __lock_acquire+0x57f/0x1c00 [110926.972755] [] lock_acquire+0x55/0x70 [110926.972757] [] __sb_start_write+0xab/0x190 [110926.972758] [] xfs_trans_alloc+0x28/0x50 [110926.972760] [] xfs_free_eofblocks+0x104/0x250 [110926.972762] [] xfs_inactive+0xa9/0x480 [110926.972763] [] xfs_fs_evict_inode+0x70/0x80 [110926.972765] [] evict+0xaf/0x1b0 [110926.972768] [] dispose_list+0x39/0x50 [110926.972770] [] prune_icache_sb+0x183/0x340 [110926.972772] [] prune_super+0xf3/0x1a0 [110926.972773] [] shrink_slab+0x11e/0x1f0 [110926.972775] [] kswapd+0x690/0xa10 [110926.972777] [] kthread+0xd6/0xe0 [110926.972779] [] ret_from_fork+0x7c/0xb0 [110926.972781] RECLAIM_FS-ON-R at: [110926.972782] [] mark_held_locks+0x7e/0x130 [110926.972784] [] lockdep_trace_alloc+0x63/0xc0 [110926.972785] [] kmem_cache_alloc+0x35/0xe0 [110926.972787] [] kmem_zone_alloc+0x5f/0xe0 [110926.972789] [] kmem_zone_zalloc+0x18/0x50 [110926.972790] [] _xfs_trans_alloc+0x32/0x90 [110926.972792] [] xfs_trans_alloc+0x38/0x50 [110926.972794] [] xfs_create+0x187/0x5a0 [110926.972796] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972797] [] xfs_vn_create+0xe/0x10 [110926.972799] [] vfs_create+0x72/0xc0 [110926.972801] [] do_last.isra.69+0x80e/0xc80 [110926.972803] [] path_openat.isra.70+0xab/0x490 [110926.972805] [] do_filp_open+0x3d/0xa0 [110926.972807] [] do_sys_open+0xf9/0x1e0 [110926.972809] [] sys_open+0x1c/0x20 [110926.972811] [] system_call_fastpath+0x16/0x1b [110926.972813] INITIAL USE at: [110926.972814] [] __lock_acquire+0x2e9/0x1c00 [110926.972815] [] lock_acquire+0x55/0x70 [110926.972817] [] __sb_start_write+0xab/0x190 [110926.972819] [] xfs_trans_alloc+0x28/0x50 [110926.972820] [] xfs_create+0x187/0x5a0 [110926.972822] [] xfs_vn_mknod+0x8a/0x1b0 [110926.972824] [] xfs_vn_create+0xe/0x10 [110926.972826] [] vfs_create+0x72/0xc0 [110926.972827] [] do_last.isra.69+0x80e/0xc80 [110926.972829] [] path_openat.isra.70+0xab/0x490 [110926.972831] [] do_filp_open+0x3d/0xa0 [110926.972833] [] do_sys_open+0xf9/0x1e0 [110926.972835] [] sys_open+0x1c/0x20 [110926.972837] [] system_call_fastpath+0x16/0x1b [110926.972839] } [110926.972840] ... key at: [] xfs_fs_type+0x60/0x80 [110926.972842] ... acquired at: [110926.972843] [] check_usage_forwards+0x10b/0x140 [110926.972845] [] mark_lock+0x190/0x2f0 [110926.972846] [] __lock_acquire+0x57f/0x1c00 [110926.972848] [] lock_acquire+0x55/0x70 [110926.972850] [] __sb_start_write+0xab/0x190 [110926.972851] [] xfs_trans_alloc+0x28/0x50 [110926.972853] [] xfs_free_eofblocks+0x104/0x250 [110926.972855] [] xfs_inactive+0xa9/0x480 [110926.972856] [] xfs_fs_evict_inode+0x70/0x80 [110926.972858] [] evict+0xaf/0x1b0 [110926.972860] [] dispose_list+0x39/0x50 [110926.972861] [] prune_icache_sb+0x183/0x340 [110926.972863] [] prune_super+0xf3/0x1a0 [110926.972865] [] shrink_slab+0x11e/0x1f0 [110926.972866] [] kswapd+0x690/0xa10 [110926.972868] [] kthread+0xd6/0xe0 [110926.972870] [] ret_from_fork+0x7c/0xb0 [110926.972871] [110926.972872] [110926.972872] stack backtrace: [110926.972874] Pid: 725, comm: kswapd0 Not tainted 3.7.0-rc4 #1 [110926.972875] Call Trace: [110926.972878] [] print_irq_inversion_bug.part.37+0x1e8/0x1f0 [110926.972880] [] check_usage_forwards+0x10b/0x140 [110926.972883] [] mark_lock+0x190/0x2f0 [110926.972885] [] ? print_irq_inversion_bug.part.37+0x1f0/0x1f0 [110926.972887] [] __lock_acquire+0x57f/0x1c00 [110926.972889] [] ? xfs_iext_bno_to_ext+0x84/0x160 [110926.972892] [] ? xfs_bmbt_get_all+0x13/0x20 [110926.972895] [] ? xfs_bmap_search_multi_extents+0xa4/0x110 [110926.972897] [] lock_acquire+0x55/0x70 [110926.972899] [] ? xfs_trans_alloc+0x28/0x50 [110926.972901] [] __sb_start_write+0xab/0x190 [110926.972903] [] ? xfs_trans_alloc+0x28/0x50 [110926.972905] [] ? xfs_trans_alloc+0x28/0x50 [110926.972907] [] xfs_trans_alloc+0x28/0x50 [110926.972908] [] xfs_free_eofblocks+0x104/0x250 [110926.972910] [] ? _raw_spin_unlock_irq+0x2b/0x50 [110926.972912] [] xfs_inactive+0xa9/0x480 [110926.972914] [] ? _raw_spin_unlock_irq+0x2b/0x50 [110926.972916] [] xfs_fs_evict_inode+0x70/0x80 [110926.972918] [] evict+0xaf/0x1b0 [110926.972920] [] dispose_list+0x39/0x50 [110926.972922] [] prune_icache_sb+0x183/0x340 [110926.972924] [] prune_super+0xf3/0x1a0 [110926.972926] [] shrink_slab+0x11e/0x1f0 [110926.972928] [] kswapd+0x690/0xa10 [110926.972930] [] ? __init_waitqueue_head+0x60/0x60 [110926.972932] [] ? shrink_lruvec+0x540/0x540 [110926.972934] [] kthread+0xd6/0xe0 [110926.972936] [] ? _raw_spin_unlock_irq+0x2b/0x50 [110926.972938] [] ? flush_kthread_worker+0xe0/0xe0 [110926.972940] [] ret_from_fork+0x7c/0xb0 [110926.972942] [] ? flush_kthread_worker+0xe0/0xe0 [66571.610863] [66571.610869] ========================================================= [66571.610870] [ INFO: possible irq lock inversion dependency detected ] [66571.610873] 3.7.0-rc5 #1 Not tainted [66571.610874] --------------------------------------------------------- [66571.610875] cc1/21330 just changed the state of lock: [66571.610877] (sb_internal){.+.+.?}, at: [] xfs_trans_alloc+0x28/0x50 [66571.610885] but this lock took another, RECLAIM_FS-unsafe lock in the past: [66571.610886] (&(&ip->i_lock)->mr_lock/1){+.+.+.} [66571.610886] [66571.610886] and interrupts could create inverse lock ordering between them. [66571.610886] [66571.610890] [66571.610890] other info that might help us debug this: [66571.610891] Possible interrupt unsafe locking scenario: [66571.610891] [66571.610892] CPU0 CPU1 [66571.610893] ---- ---- [66571.610894] lock(&(&ip->i_lock)->mr_lock/1); [66571.610896] local_irq_disable(); [66571.610897] lock(sb_internal); [66571.610898] lock(&(&ip->i_lock)->mr_lock/1); [66571.610900] [66571.610901] lock(sb_internal); [66571.610902] [66571.610902] *** DEADLOCK *** [66571.610902] [66571.610904] 3 locks held by cc1/21330: [66571.610905] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0xfb/0x480 [66571.610910] #1: (shrinker_rwsem){++++..}, at: [] shrink_slab+0x32/0x1f0 [66571.610915] #2: (&type->s_umount_key#20){++++.+}, at: [] grab_super_passive+0x3e/0x90 [66571.610921] [66571.610921] the shortest dependencies between 2nd lock and 1st lock: [66571.610927] -> (&(&ip->i_lock)->mr_lock/1){+.+.+.} ops: 169649 { [66571.610931] HARDIRQ-ON-W at: [66571.610932] [] __lock_acquire+0x631/0x1c00 [66571.610935] [] lock_acquire+0x55/0x70 [66571.610937] [] down_write_nested+0x4a/0x70 [66571.610941] [] xfs_ilock+0x84/0xb0 [66571.610944] [] xfs_create+0x1d4/0x5a0 [66571.610946] [] xfs_vn_mknod+0x8a/0x1b0 [66571.610948] [] xfs_vn_create+0xe/0x10 [66571.610950] [] vfs_create+0x72/0xc0 [66571.610953] [] do_last.isra.69+0x80e/0xc80 [66571.610955] [] path_openat.isra.70+0xab/0x490 [66571.610957] [] do_filp_open+0x3d/0xa0 [66571.610959] [] do_sys_open+0xf9/0x1e0 [66571.610962] [] sys_open+0x1c/0x20 [66571.610964] [] system_call_fastpath+0x16/0x1b [66571.610967] SOFTIRQ-ON-W at: [66571.610968] [] __lock_acquire+0x667/0x1c00 [66571.610970] [] lock_acquire+0x55/0x70 [66571.610972] [] down_write_nested+0x4a/0x70 [66571.610974] [] xfs_ilock+0x84/0xb0 [66571.610976] [] xfs_create+0x1d4/0x5a0 [66571.610977] [] xfs_vn_mknod+0x8a/0x1b0 [66571.610979] [] xfs_vn_create+0xe/0x10 [66571.610981] [] vfs_create+0x72/0xc0 [66571.610983] [] do_last.isra.69+0x80e/0xc80 [66571.610985] [] path_openat.isra.70+0xab/0x490 [66571.610987] [] do_filp_open+0x3d/0xa0 [66571.610989] [] do_sys_open+0xf9/0x1e0 [66571.610991] [] sys_open+0x1c/0x20 [66571.610993] [] system_call_fastpath+0x16/0x1b [66571.610995] RECLAIM_FS-ON-W at: [66571.610996] [] mark_held_locks+0x7e/0x130 [66571.610998] [] lockdep_trace_alloc+0x63/0xc0 [66571.610999] [] kmem_cache_alloc+0x35/0xe0 [66571.611002] [] vm_map_ram+0x271/0x770 [66571.611004] [] _xfs_buf_map_pages+0x46/0xe0 [66571.611008] [] xfs_buf_get_map+0x8a/0x130 [66571.611009] [] xfs_trans_get_buf_map+0xa9/0xd0 [66571.611011] [] xfs_ialloc_inode_init+0xcd/0x1d0 [66571.611015] [] xfs_ialloc_ag_alloc+0x18f/0x500 [66571.611017] [] xfs_dialloc+0x185/0x2a0 [66571.611019] [] xfs_ialloc+0x58/0x650 [66571.611021] [] xfs_dir_ialloc+0x65/0x270 [66571.611023] [] xfs_create+0x3ac/0x5a0 [66571.611024] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611026] [] xfs_vn_mkdir+0x11/0x20 [66571.611028] [] vfs_mkdir+0x7f/0xd0 [66571.611030] [] sys_mkdirat+0x43/0x80 [66571.611032] [] sys_mkdir+0x14/0x20 [66571.611034] [] system_call_fastpath+0x16/0x1b [66571.611036] INITIAL USE at: [66571.611037] [] __lock_acquire+0x2e9/0x1c00 [66571.611038] [] lock_acquire+0x55/0x70 [66571.611040] [] down_write_nested+0x4a/0x70 [66571.611042] [] xfs_ilock+0x84/0xb0 [66571.611044] [] xfs_create+0x1d4/0x5a0 [66571.611046] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611047] [] xfs_vn_create+0xe/0x10 [66571.611049] [] vfs_create+0x72/0xc0 [66571.611051] [] do_last.isra.69+0x80e/0xc80 [66571.611053] [] path_openat.isra.70+0xab/0x490 [66571.611055] [] do_filp_open+0x3d/0xa0 [66571.611057] [] do_sys_open+0xf9/0x1e0 [66571.611059] [] sys_open+0x1c/0x20 [66571.611061] [] system_call_fastpath+0x16/0x1b [66571.611063] } [66571.611064] ... key at: [] __key.41357+0x1/0x8 [66571.611066] ... acquired at: [66571.611067] [] lock_acquire+0x55/0x70 [66571.611069] [] down_write_nested+0x4a/0x70 [66571.611071] [] xfs_ilock+0x84/0xb0 [66571.611073] [] xfs_create+0x1d4/0x5a0 [66571.611074] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611076] [] xfs_vn_create+0xe/0x10 [66571.611078] [] vfs_create+0x72/0xc0 [66571.611080] [] do_last.isra.69+0x80e/0xc80 [66571.611082] [] path_openat.isra.70+0xab/0x490 [66571.611084] [] do_filp_open+0x3d/0xa0 [66571.611086] [] do_sys_open+0xf9/0x1e0 [66571.611088] [] sys_open+0x1c/0x20 [66571.611090] [] system_call_fastpath+0x16/0x1b [66571.611091] [66571.611092] -> (sb_internal){.+.+.?} ops: 1341531 { [66571.611095] HARDIRQ-ON-R at: [66571.611096] [] __lock_acquire+0x50a/0x1c00 [66571.611098] [] lock_acquire+0x55/0x70 [66571.611100] [] __sb_start_write+0xab/0x190 [66571.611102] [] xfs_trans_alloc+0x28/0x50 [66571.611104] [] xfs_create+0x187/0x5a0 [66571.611105] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611107] [] xfs_vn_create+0xe/0x10 [66571.611109] [] vfs_create+0x72/0xc0 [66571.611111] [] do_last.isra.69+0x80e/0xc80 [66571.611113] [] path_openat.isra.70+0xab/0x490 [66571.611115] [] do_filp_open+0x3d/0xa0 [66571.611117] [] do_sys_open+0xf9/0x1e0 [66571.611119] [] sys_open+0x1c/0x20 [66571.611121] [] system_call_fastpath+0x16/0x1b [66571.611123] SOFTIRQ-ON-R at: [66571.611124] [] __lock_acquire+0x667/0x1c00 [66571.611126] [] lock_acquire+0x55/0x70 [66571.611128] [] __sb_start_write+0xab/0x190 [66571.611130] [] xfs_trans_alloc+0x28/0x50 [66571.611132] [] xfs_create+0x187/0x5a0 [66571.611133] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611135] [] xfs_vn_create+0xe/0x10 [66571.611137] [] vfs_create+0x72/0xc0 [66571.611139] [] do_last.isra.69+0x80e/0xc80 [66571.611141] [] path_openat.isra.70+0xab/0x490 [66571.611143] [] do_filp_open+0x3d/0xa0 [66571.611145] [] do_sys_open+0xf9/0x1e0 [66571.611147] [] sys_open+0x1c/0x20 [66571.611149] [] system_call_fastpath+0x16/0x1b [66571.611151] IN-RECLAIM_FS-R at: [66571.611152] [] __lock_acquire+0x57f/0x1c00 [66571.611154] [] lock_acquire+0x55/0x70 [66571.611156] [] __sb_start_write+0xab/0x190 [66571.611158] [] xfs_trans_alloc+0x28/0x50 [66571.611159] [] xfs_free_eofblocks+0x104/0x250 [66571.611161] [] xfs_inactive+0xa9/0x480 [66571.611163] [] xfs_fs_evict_inode+0x70/0x80 [66571.611165] [] evict+0xaf/0x1b0 [66571.611168] [] dispose_list+0x39/0x50 [66571.611170] [] prune_icache_sb+0x183/0x340 [66571.611172] [] prune_super+0xf3/0x1a0 [66571.611173] [] shrink_slab+0x11e/0x1f0 [66571.611175] [] try_to_free_pages+0x21f/0x4e0 [66571.611177] [] __alloc_pages_nodemask+0x506/0x800 [66571.611179] [] handle_pte_fault+0x5ae/0x7a0 [66571.611182] [] handle_mm_fault+0x1f9/0x2a0 [66571.611184] [] __do_page_fault+0x16c/0x480 [66571.611186] [] do_page_fault+0x9/0x10 [66571.611188] [] page_fault+0x1f/0x30 [66571.611190] RECLAIM_FS-ON-R at: [66571.611191] [] mark_held_locks+0x7e/0x130 [66571.611193] [] lockdep_trace_alloc+0x63/0xc0 [66571.611195] [] kmem_cache_alloc+0x35/0xe0 [66571.611197] [] kmem_zone_alloc+0x5f/0xe0 [66571.611198] [] kmem_zone_zalloc+0x18/0x50 [66571.611200] [] _xfs_trans_alloc+0x32/0x90 [66571.611202] [] xfs_trans_alloc+0x38/0x50 [66571.611204] [] xfs_create+0x187/0x5a0 [66571.611205] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611207] [] xfs_vn_create+0xe/0x10 [66571.611209] [] vfs_create+0x72/0xc0 [66571.611211] [] do_last.isra.69+0x80e/0xc80 [66571.611213] [] path_openat.isra.70+0xab/0x490 [66571.611215] [] do_filp_open+0x3d/0xa0 [66571.611217] [] do_sys_open+0xf9/0x1e0 [66571.611219] [] sys_open+0x1c/0x20 [66571.611221] [] system_call_fastpath+0x16/0x1b [66571.611223] INITIAL USE at: [66571.611224] [] __lock_acquire+0x2e9/0x1c00 [66571.611225] [] lock_acquire+0x55/0x70 [66571.611227] [] __sb_start_write+0xab/0x190 [66571.611229] [] xfs_trans_alloc+0x28/0x50 [66571.611231] [] xfs_create+0x187/0x5a0 [66571.611232] [] xfs_vn_mknod+0x8a/0x1b0 [66571.611234] [] xfs_vn_create+0xe/0x10 [66571.611236] [] vfs_create+0x72/0xc0 [66571.611238] [] do_last.isra.69+0x80e/0xc80 [66571.611240] [] path_openat.isra.70+0xab/0x490 [66571.611242] [] do_filp_open+0x3d/0xa0 [66571.611244] [] do_sys_open+0xf9/0x1e0 [66571.611246] [] sys_open+0x1c/0x20 [66571.611248] [] system_call_fastpath+0x16/0x1b [66571.611250] } [66571.611251] ... key at: [] xfs_fs_type+0x60/0x80 [66571.611254] ... acquired at: [66571.611254] [] check_usage_forwards+0x10b/0x140 [66571.611256] [] mark_lock+0x190/0x2f0 [66571.611258] [] __lock_acquire+0x57f/0x1c00 [66571.611260] [] lock_acquire+0x55/0x70 [66571.611261] [] __sb_start_write+0xab/0x190 [66571.611263] [] xfs_trans_alloc+0x28/0x50 [66571.611265] [] xfs_free_eofblocks+0x104/0x250 [66571.611266] [] xfs_inactive+0xa9/0x480 [66571.611268] [] xfs_fs_evict_inode+0x70/0x80 [66571.611270] [] evict+0xaf/0x1b0 [66571.611271] [] dispose_list+0x39/0x50 [66571.611273] [] prune_icache_sb+0x183/0x340 [66571.611275] [] prune_super+0xf3/0x1a0 [66571.611277] [] shrink_slab+0x11e/0x1f0 [66571.611278] [] try_to_free_pages+0x21f/0x4e0 [66571.611280] [] __alloc_pages_nodemask+0x506/0x800 [66571.611282] [] handle_pte_fault+0x5ae/0x7a0 [66571.611284] [] handle_mm_fault+0x1f9/0x2a0 [66571.611286] [] __do_page_fault+0x16c/0x480 [66571.611287] [] do_page_fault+0x9/0x10 [66571.611289] [] page_fault+0x1f/0x30 [66571.611291] [66571.611292] [66571.611292] stack backtrace: [66571.611294] Pid: 21330, comm: cc1 Not tainted 3.7.0-rc5 #1 [66571.611295] Call Trace: [66571.611298] [] print_irq_inversion_bug.part.37+0x1e8/0x1f0 [66571.611300] [] check_usage_forwards+0x10b/0x140 [66571.611303] [] mark_lock+0x190/0x2f0 [66571.611306] [] ? dm_request+0x2e/0x2a0 [66571.611308] [] ? print_irq_inversion_bug.part.37+0x1f0/0x1f0 [66571.611310] [] __lock_acquire+0x57f/0x1c00 [66571.611313] [] ? xfs_iext_bno_to_ext+0x84/0x160 [66571.611316] [] ? xfs_bmbt_get_all+0x13/0x20 [66571.611318] [] ? xfs_bmap_search_multi_extents+0xa4/0x110 [66571.611320] [] lock_acquire+0x55/0x70 [66571.611322] [] ? xfs_trans_alloc+0x28/0x50 [66571.611324] [] __sb_start_write+0xab/0x190 [66571.611326] [] ? xfs_trans_alloc+0x28/0x50 [66571.611328] [] ? xfs_trans_alloc+0x28/0x50 [66571.611330] [