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Date: Fri, 17 Oct 2008 16:43:07 +0400
From: "Alexander Beregalov" <a.beregalov@...il.com>
To: xfs@....sgi.com
Cc: linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: BUG: sleeping function called from invalid context at kernel/rwsem.c:131 XFS? (was: Re: linux-next: Tree for October 17)
It is SMP x86_64, rootfs is on XFS
[ 4.419571] BUG: sleeping function called from invalid context at
kernel/rwsem.c:131
[ 4.419576] in_atomic(): 1, irqs_disabled(): 0, pid: 1396, name: mkdir
[ 4.419579] 2 locks held by mkdir/1396:
[ 4.419581] #0: (&type->i_mutex_dir_key#2/1){--..}, at:
[<ffffffff802a895f>] lookup_create+0x2b/0x99
[ 4.419594] #1: (&(&ip->i_lock)->mr_lock/1){--..}, at:
[<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 4.419605] Pid: 1396, comm: mkdir Not tainted 2.6.27-next-20081017 #2
[ 4.419608] Call Trace:
[ 4.419614] [<ffffffff80257a61>] ? __debug_show_held_locks+0x22/0x24
[ 4.419620] [<ffffffff802303ee>] __might_sleep+0x120/0x122
[ 4.419625] [<ffffffff8024e41d>] down_write_nested+0x2c/0x7b
[ 4.419629] [<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 4.419633] [<ffffffff8037d9b4>] xfs_iget_core+0x3cc/0x4f1
[ 4.419637] [<ffffffff802b2393>] ? iget_locked+0xf0/0x125
[ 4.419641] [<ffffffff8037dbc4>] xfs_iget+0xeb/0x197
[ 4.419646] [<ffffffff803933c6>] xfs_trans_iget+0xb4/0x126
[ 4.419651] [<ffffffff8038164b>] xfs_ialloc+0x9e/0x51e
[ 4.419655] [<ffffffff802304be>] ? get_parent_ip+0x11/0x41
[ 4.419659] [<ffffffff80393d5a>] xfs_dir_ialloc+0x78/0x26a
[ 4.419663] [<ffffffff8024e464>] ? down_write_nested+0x73/0x7b
[ 4.419667] [<ffffffff80395fbf>] xfs_mkdir+0x236/0x438
[ 4.419673] [<ffffffff8039fe54>] xfs_vn_mknod+0xe7/0x13b
[ 4.419677] [<ffffffff8039febb>] xfs_vn_mkdir+0x13/0x15
[ 4.419681] [<ffffffff802a9e1d>] vfs_mkdir+0x4b/0x8f
[ 4.419685] [<ffffffff802ab574>] sys_mkdirat+0xa7/0x101
[ 4.419691] [<ffffffff8054052c>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 4.419695] [<ffffffff802587b0>] ? trace_hardirqs_on_caller+0x12c/0x157
[ 4.419700] [<ffffffff80225010>] ? do_page_fault+0x394/0x884
[ 4.419704] [<ffffffff802ab5e6>] sys_mkdir+0x18/0x1a
[ 4.419709] [<ffffffff8020b8bb>] system_call_fastpath+0x16/0x1b
[ 4.743247] dmesg used greatest stack depth: 2848 bytes left
[ 5.930376] bnx2: eth0: using MSI
[ 6.056409] BUG: sleeping function called from invalid context at
kernel/rwsem.c:131
[ 6.056413] in_atomic(): 1, irqs_disabled(): 0, pid: 1782, name: dhcpcd
[ 6.056416] 2 locks held by dhcpcd/1782:
[ 6.056418] #0: (&type->i_mutex_dir_key#2){--..}, at:
[<ffffffff802aa763>] do_filp_open+0x178/0x7d5
[ 6.056431] #1: (&(&ip->i_lock)->mr_lock/1){--..}, at:
[<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 6.056443] Pid: 1782, comm: dhcpcd Not tainted 2.6.27-next-20081017 #2
[ 6.056445] Call Trace:
[ 6.056452] [<ffffffff80257a61>] ? __debug_show_held_locks+0x22/0x24
[ 6.056458] [<ffffffff802303ee>] __might_sleep+0x120/0x122
[ 6.056464] [<ffffffff8024e41d>] down_write_nested+0x2c/0x7b
[ 6.056468] [<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 6.056472] [<ffffffff8037d9b4>] xfs_iget_core+0x3cc/0x4f1
[ 6.056476] [<ffffffff802b2393>] ? iget_locked+0xf0/0x125
[ 6.056481] [<ffffffff8037dbc4>] xfs_iget+0xeb/0x197
[ 6.056486] [<ffffffff803933c6>] xfs_trans_iget+0xb4/0x126
[ 6.056491] [<ffffffff8038164b>] xfs_ialloc+0x9e/0x51e
[ 6.056495] [<ffffffff802304be>] ? get_parent_ip+0x11/0x41
[ 6.056499] [<ffffffff80393d5a>] xfs_dir_ialloc+0x78/0x26a
[ 6.056503] [<ffffffff8024e464>] ? down_write_nested+0x73/0x7b
[ 6.056508] [<ffffffff80395b8a>] xfs_create+0x239/0x438
[ 6.056512] [<ffffffff80256ccd>] ? get_lock_stats+0x2d/0x5c
[ 6.056518] [<ffffffff8039fe3b>] xfs_vn_mknod+0xce/0x13b
[ 6.056522] [<ffffffff8039fecd>] xfs_vn_create+0x10/0x12
[ 6.056526] [<ffffffff802a9dab>] vfs_create+0x5d/0x84
[ 6.056530] [<ffffffff802aa839>] do_filp_open+0x24e/0x7d5
[ 6.056534] [<ffffffff802304be>] ? get_parent_ip+0x11/0x41
[ 6.056539] [<ffffffff80231ee1>] ? sub_preempt_count+0xb0/0xc4
[ 6.056544] [<ffffffff802b40a4>] ? alloc_fd+0x122/0x133
[ 6.056549] [<ffffffff8029ef42>] do_sys_open+0x58/0xdf
[ 6.056553] [<ffffffff8029effc>] sys_open+0x20/0x22
[ 6.056561] [<ffffffff8020b8bb>] system_call_fastpath+0x16/0x1b
[ 9.098603] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full
duplex, receive & transmit flow control ON
[ 17.899872] BUG: sleeping function called from invalid context at
kernel/rwsem.c:131
[ 17.899876] in_atomic(): 1, irqs_disabled(): 0, pid: 1791, name:
dhcpcd-run-hook
[ 17.899879] 2 locks held by dhcpcd-run-hook/1791:
[ 17.899881] #0: (&type->i_mutex_dir_key#2){--..}, at:
[<ffffffff802aa763>] do_filp_open+0x178/0x7d5
[ 17.899893] #1: (&(&ip->i_lock)->mr_lock/1){--..}, at:
[<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 17.899905] Pid: 1791, comm: dhcpcd-run-hook Not tainted
2.6.27-next-20081017 #2
[ 17.899907] Call Trace:
[ 17.899914] [<ffffffff80257a61>] ? __debug_show_held_locks+0x22/0x24
[ 17.899920] [<ffffffff802303ee>] __might_sleep+0x120/0x122
[ 17.899926] [<ffffffff8024e41d>] down_write_nested+0x2c/0x7b
[ 17.899930] [<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 17.899934] [<ffffffff8037d9b4>] xfs_iget_core+0x3cc/0x4f1
[ 17.899939] [<ffffffff802b2393>] ? iget_locked+0xf0/0x125
[ 17.899943] [<ffffffff8037dbc4>] xfs_iget+0xeb/0x197
[ 17.899953] [<ffffffff803933c6>] xfs_trans_iget+0xb4/0x126
[ 17.899956] [<ffffffff8038164b>] xfs_ialloc+0x9e/0x51e
[ 17.899959] [<ffffffff802304be>] ? get_parent_ip+0x11/0x41
[ 17.899962] [<ffffffff80393d5a>] xfs_dir_ialloc+0x78/0x26a
[ 17.899965] [<ffffffff8024e464>] ? down_write_nested+0x73/0x7b
[ 17.899968] [<ffffffff80395b8a>] xfs_create+0x239/0x438
[ 17.899971] [<ffffffff80256ccd>] ? get_lock_stats+0x2d/0x5c
[ 17.899975] [<ffffffff8039fe3b>] xfs_vn_mknod+0xce/0x13b
[ 17.899978] [<ffffffff8039fecd>] xfs_vn_create+0x10/0x12
[ 17.899981] [<ffffffff802a9dab>] vfs_create+0x5d/0x84
[ 17.899984] [<ffffffff802aa839>] do_filp_open+0x24e/0x7d5
[ 17.899987] [<ffffffff802304be>] ? get_parent_ip+0x11/0x41
[ 17.899990] [<ffffffff80231ee1>] ? sub_preempt_count+0xb0/0xc4
[ 17.899993] [<ffffffff802b40a4>] ? alloc_fd+0x122/0x133
[ 17.899997] [<ffffffff8029ef42>] do_sys_open+0x58/0xdf
[ 17.900002] [<ffffffff80241376>] ? sigprocmask+0x37/0xd7
[ 17.900004] [<ffffffff8029effc>] sys_open+0x20/0x22
[ 17.900008] [<ffffffff8020b8bb>] system_call_fastpath+0x16/0x1b
[ 18.190958] Adding 3911788k swap on /dev/sda1. Priority:-1
extents:1 across:3911788k
[ 30.773375] CPA self-test:
[ 30.780146] 4k 523088 large 0 gb 0 x
262144[ffff880000000000-ffff88003ffff000] miss 0
[ 30.792087] 4k 523088 large 0 gb 0 x
262144[ffff880000000000-ffff88003ffff000] miss 0
[ 30.803460] 4k 523088 large 0 gb 0 x
262144[ffff880000000000-ffff88003ffff000] miss 0
[ 30.803463] ok.
[ 3846.588515] BUG: sleeping function called from invalid context at
kernel/rwsem.c:131
[ 3846.588519] in_atomic(): 1, irqs_disabled(): 0, pid: 2005, name: screen
[ 3846.588523] 2 locks held by screen/2005:
[ 3846.588524] #0: (&type->i_mutex_dir_key#2/1){--..}, at:
[<ffffffff802a895f>] lookup_create+0x2b/0x99
[ 3846.588538] #1: (&(&ip->i_lock)->mr_lock/1){--..}, at:
[<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 3846.588549] Pid: 2005, comm: screen Not tainted 2.6.27-next-20081017 #2
[ 3846.588552] Call Trace:
[ 3846.588559] [<ffffffff80257a61>] ? __debug_show_held_locks+0x22/0x24
[ 3846.588565] [<ffffffff802303ee>] __might_sleep+0x120/0x122
[ 3846.588570] [<ffffffff8024e41d>] down_write_nested+0x2c/0x7b
[ 3846.588574] [<ffffffff8037d30f>] xfs_ilock+0x60/0x7e
[ 3846.588578] [<ffffffff8037d9b4>] xfs_iget_core+0x3cc/0x4f1
[ 3846.588582] [<ffffffff802b2393>] ? iget_locked+0xf0/0x125
[ 3846.588586] [<ffffffff8037dbc4>] xfs_iget+0xeb/0x197
[ 3846.588591] [<ffffffff803933c6>] xfs_trans_iget+0xb4/0x126
[ 3846.588596] [<ffffffff8038164b>] xfs_ialloc+0x9e/0x51e
[ 3846.588599] [<ffffffff802304be>] ? get_parent_ip+0x11/0x41
[ 3846.588604] [<ffffffff80393d5a>] xfs_dir_ialloc+0x78/0x26a
[ 3846.588607] [<ffffffff8024e464>] ? down_write_nested+0x73/0x7b
[ 3846.588612] [<ffffffff80395b8a>] xfs_create+0x239/0x438
[ 3846.588617] [<ffffffff8039fe3b>] xfs_vn_mknod+0xce/0x13b
[ 3846.588621] [<ffffffff802a9d29>] vfs_mknod+0x75/0x9a
[ 3846.588625] [<ffffffff802ab76e>] sys_mknodat+0x186/0x1e5
[ 3846.588632] [<ffffffff8054052c>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 3846.588636] [<ffffffff802587b0>] ? trace_hardirqs_on_caller+0x12c/0x157
[ 3846.588640] [<ffffffff802ab7e7>] sys_mknod+0x1a/0x1c
[ 3846.588644] [<ffffffff8020b8bb>] system_call_fastpath+0x16/0x1b
--
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