Marcin Slusarz
2011-Jan-15 23:23 UTC
[Nouveau] nouveau: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
On 2.6.37 kernel during X reloading:
[ 718.868720] [drm] nouveau 0000:02:00.0: nouveau_channel_free: freeing fifo 2
[ 718.883387]
[ 718.883388] =====================================================[
718.883392] [ INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected ]
[ 718.883396] 2.6.37+ #521
[ 718.883398] ------------------------------------------------------
[ 718.883402] X/2431 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
[ 718.883405] (&(&dev_priv->ramin_lock)->rlock){+.+...}, at:
[<ffffffffa00a261c>] nouveau_gpuobj_del+0xc0/0x112 [nouveau]
[ 718.883425]
[ 718.883425] and this task is already holding:
[ 718.883428]
(&(&dev_priv->context_switch_lock)->rlock){-.....}, at:
[<ffffffffa009fa12>] nouveau_channel_free+0x10f/0x249 [nouveau]
[ 718.883443] which would create a new lock dependency:
[ 718.883446] (&(&dev_priv->context_switch_lock)->rlock){-.....}
-> (&(&dev_priv->ramin_lock)->rlock){+.+...}
[ 718.883455]
[ 718.883455] but this new dependency connects a HARDIRQ-irq-safe lock:
[ 718.883458] (&(&dev_priv->context_switch_lock)->rlock){-.....}
[ 718.883462] ... which became HARDIRQ-irq-safe at:
[ 718.883465] [<ffffffff810a1cf8>] __lock_acquire+0x62d/0x1602
[ 718.883471] [<ffffffff810a2e11>] lock_acquire+0x144/0x189
[ 718.883476] [<ffffffff814477c5>] _raw_spin_lock_irqsave+0x41/0x53
[ 718.883483] [<ffffffffa00a5b4e>] nouveau_irq_handler+0x60/0xcc9
[nouveau]
[ 718.883495] [<ffffffff810bc45d>] handle_IRQ_event+0xf1/0x262
[ 718.883502] [<ffffffff810be66a>] handle_fasteoi_irq+0xaa/0xed
[ 718.883507] [<ffffffff810378c3>] handle_irq+0x83/0x8c
[ 718.883513] [<ffffffff81036e89>] do_IRQ+0x5e/0xc4
[ 718.883517] [<ffffffff814481d3>] ret_from_intr+0x0/0xf
[ 718.883523] [<ffffffff81033f82>] cpu_idle+0x7b/0x18e
[ 718.883529] [<ffffffff8143f41b>] start_secondary+0x1ba/0x1bf
[ 718.883536]
[ 718.883536] to a HARDIRQ-irq-unsafe lock:
[ 718.883539] (&(&dev_priv->ramin_lock)->rlock){+.+...}
[ 718.883545] ... [<ffffffff810a1d71>] __lock_acquire+0x6a6/0x1602
[ 718.883551] [<ffffffff810a2e11>] lock_acquire+0x144/0x189
[ 718.883556] [<ffffffff814476d1>] _raw_spin_lock+0x36/0x45
[ 718.883561] [<ffffffffa00a290e>] nouveau_gpuobj_new+0x219/0x4de
[nouveau]
[ 718.883574] [<ffffffffa00e0fb2>] nv50_instmem_init+0x2f3/0x92d
[nouveau]
[ 718.883592] [<ffffffffa009ed4b>] nouveau_card_init+0x104d/0x135f
[nouveau]
[ 718.883603] [<ffffffffa009f755>] nouveau_load+0x6f8/0x77d [nouveau]
[ 718.883614] [<ffffffff812cd82d>] drm_get_pci_dev+0x239/0x35a
[ 718.883619] [<ffffffffa00f92d8>] nouveau_pci_probe+0x10/0x17
[nouveau]
[ 718.883636] [<ffffffff812531c3>] local_pci_probe+0x12/0x16
[ 718.883642] [<ffffffff812539c2>] pci_device_probe+0x60/0x8f
[ 718.883647] [<ffffffff812dee12>] driver_probe_device+0xa7/0x136
[ 718.883652] [<ffffffff812deefd>] __driver_attach+0x5c/0x80
[ 718.883658] [<ffffffff812de538>] bus_for_each_dev+0x54/0x89
[ 718.883663] [<ffffffff812dec5d>] driver_attach+0x19/0x1b
[ 718.883668] [<ffffffff812dde51>] bus_add_driver+0x194/0x2fd
[ 718.883673] [<ffffffff812df1c8>] driver_register+0x99/0x10a
[ 718.883678] [<ffffffff81253c32>] __pci_register_driver+0x63/0xd3
[ 718.883683] [<ffffffff812cd97d>] drm_pci_init+0x2f/0x95
[ 718.883688] [<ffffffff812c5fbe>] drm_init+0x5d/0x61
[ 718.883693] [<ffffffffa011b048>] 0xffffffffa011b048
[ 718.883698] [<ffffffff81000210>] do_one_initcall+0x7a/0x12e
[ 718.883704] [<ffffffff810ae170>] sys_init_module+0x9c/0x1dc
[ 718.883710] [<ffffffff81034cfb>] system_call_fastpath+0x16/0x1b
[ 718.883716]
[ 718.883716] other info that might help us debug this:
[ 718.883717]
[ 718.883721] 2 locks held by X/2431:
[ 718.883723] #0: (drm_global_mutex){+.+.+.}, at: [<ffffffff812c5d29>]
drm_ioctl+0x28a/0x343
[ 718.883748]
[ 718.883764] ->
(&(&dev_priv->context_switch_lock)->rlock){-.....} ops: 10 {
[ 718.883772] IN-HARDIRQ-W at:
[ 718.883776] [<ffffffff810a1cf8>]
__lock_acquire+0x62d/0x1602
[ 718.883782] [<ffffffff810a2e11>]
lock_acquire+0x144/0x189
[ 718.883787] [<ffffffff814477c5>]
_raw_spin_lock_irqsave+0x41/0x53
[ 718.883793] [<ffffffffa00a5b4e>]
nouveau_irq_handler+0x60/0xcc9 [nouveau]
[ 718.883807] [<ffffffff810bc45d>]
handle_IRQ_event+0xf1/0x262
[ 718.883813] [<ffffffff810be66a>]
handle_fasteoi_irq+0xaa/0xed
[ 718.883819] [<ffffffff810378c3>]
handle_irq+0x83/0x8c
[ 718.883825] [<ffffffff81036e89>]
do_IRQ+0x5e/0xc4
[ 718.883830] [<ffffffff814481d3>]
ret_from_intr+0x0/0xf
[ 718.883836] [<ffffffff81033f82>]
cpu_idle+0x7b/0x18e
[ 718.883842] [<ffffffff8143f41b>]
start_secondary+0x1ba/0x1bf
[ 718.883849] INITIAL USE at:
[ 718.883852] [<ffffffff810a1dec>]
__lock_acquire+0x721/0x1602
[ 718.883858] [<ffffffff810a2e11>]
lock_acquire+0x144/0x189
[ 718.883864] [<ffffffff814477c5>]
_raw_spin_lock_irqsave+0x41/0x53
[ 718.883870] [<ffffffffa00c9d13>]
nv50_fifo_create_context+0x12c/0x2c9 [nouveau]
[ 718.883889] [<ffffffffa00a0285>]
nouveau_channel_alloc+0x538/0x5fa [nouveau]
[ 718.883901] [<ffffffffa009ee7b>]
nouveau_card_init+0x117d/0x135f [nouveau]
[ 718.883913] [<ffffffffa009f755>]
nouveau_load+0x6f8/0x77d [nouveau]
[ 718.883924] [<ffffffff812cd82d>]
drm_get_pci_dev+0x239/0x35a
[ 718.883930] [<ffffffffa00f92d8>]
nouveau_pci_probe+0x10/0x17 [nouveau]
[ 718.883948] [<ffffffff812531c3>]
local_pci_probe+0x12/0x16
[ 718.883953] [<ffffffff812539c2>]
pci_device_probe+0x60/0x8f
[ 718.883959] [<ffffffff812dee12>]
driver_probe_device+0xa7/0x136
[ 718.883965] [<ffffffff812deefd>]
__driver_attach+0x5c/0x80
[ 718.883971] [<ffffffff812de538>]
bus_for_each_dev+0x54/0x89
[ 718.883977] [<ffffffff812dec5d>]
driver_attach+0x19/0x1b
[ 718.883983] [<ffffffff812dde51>]
bus_add_driver+0x194/0x2fd
[ 718.883989] [<ffffffff812df1c8>]
driver_register+0x99/0x10a
[ 718.883995] [<ffffffff81253c32>]
__pci_register_driver+0x63/0xd3
[ 718.884001] [<ffffffff812cd97d>]
drm_pci_init+0x2f/0x95
[ 718.884006] [<ffffffff812c5fbe>]
drm_init+0x5d/0x61
[ 718.884012] [<ffffffffa011b048>]
0xffffffffa011b048
[ 718.884017] [<ffffffff81000210>]
do_one_initcall+0x7a/0x12e
[ 718.884024] [<ffffffff810ae170>]
sys_init_module+0x9c/0x1dc
[ 718.884030] [<ffffffff81034cfb>]
system_call_fastpath+0x16/0x1b
[ 718.884036] }
[ 718.884052] ... acquired at:
[ 718.884073] [<ffffffffa00a261c>] nouveau_gpuobj_del+0xc0/0x112
[nouveau]
[ 718.884085] [<ffffffff8123eee6>] kref_put+0x43/0x4d
[ 718.884092] [<ffffffffa00a2471>] nouveau_gpuobj_ref+0x34/0x3d
[nouveau]
[ 718.884104] [<ffffffffa00d0f62>]
nv50_graph_destroy_context+0xb7/0xc3 [nouveau]
[ 718.884122] [<ffffffffa009fa48>] nouveau_channel_free+0x145/0x249
[nouveau]
[ 718.884133] [<ffffffffa009fbbb>] nouveau_ioctl_fifo_free+0x6f/0x73
[nouveau]
[ 718.884144] [<ffffffff812c5d38>] drm_ioctl+0x299/0x343
[ 718.884149] [<ffffffff81126a41>] do_vfs_ioctl+0x499/0x4e8
[ 718.884155] [<ffffffff81126ad2>] sys_ioctl+0x42/0x65
[ 718.884159] [<ffffffff81034cfb>] system_call_fastpath+0x16/0x1b
[ 718.884165]
[ 718.884167]
[ 718.884168] the dependencies between the lock to be acquired and
HARDIRQ-irq-unsafe lock:
[ 718.884183] -> (&(&dev_priv->ramin_lock)->rlock){+.+...}
ops: 20683 {
[ 718.884190] HARDIRQ-ON-W at:
[ 718.884194] [<ffffffff810a1d71>]
__lock_acquire+0x6a6/0x1602
[ 718.884200] [<ffffffff810a2e11>]
lock_acquire+0x144/0x189
[ 718.884205] [<ffffffff814476d1>]
_raw_spin_lock+0x36/0x45
[ 718.884211] [<ffffffffa00a290e>]
nouveau_gpuobj_new+0x219/0x4de [nouveau]
[ 718.884224] [<ffffffffa00e0fb2>]
nv50_instmem_init+0x2f3/0x92d [nouveau]
[ 718.884243] [<ffffffffa009ed4b>]
nouveau_card_init+0x104d/0x135f [nouveau]
[ 718.884255] [<ffffffffa009f755>]
nouveau_load+0x6f8/0x77d [nouveau]
[ 718.884266] [<ffffffff812cd82d>]
drm_get_pci_dev+0x239/0x35a
[ 718.884272] [<ffffffffa00f92d8>]
nouveau_pci_probe+0x10/0x17 [nouveau]
[ 718.884290] [<ffffffff812531c3>]
local_pci_probe+0x12/0x16
[ 718.884295] [<ffffffff812539c2>]
pci_device_probe+0x60/0x8f
[ 718.884301] [<ffffffff812dee12>]
driver_probe_device+0xa7/0x136
[ 718.884307] [<ffffffff812deefd>]
__driver_attach+0x5c/0x80
[ 718.884313] [<ffffffff812de538>]
bus_for_each_dev+0x54/0x89
[ 718.884319] [<ffffffff812dec5d>]
driver_attach+0x19/0x1b
[ 718.884325] [<ffffffff812dde51>]
bus_add_driver+0x194/0x2fd
[ 718.884331] [<ffffffff812df1c8>]
driver_register+0x99/0x10a
[ 718.884337] [<ffffffff81253c32>]
__pci_register_driver+0x63/0xd3
[ 718.884343] [<ffffffff812cd97d>]
drm_pci_init+0x2f/0x95
[ 718.884348] [<ffffffff812c5fbe>]
drm_init+0x5d/0x61
[ 718.884354] [<ffffffffa011b048>]
0xffffffffa011b048
[ 718.884359] [<ffffffff81000210>]
do_one_initcall+0x7a/0x12e
[ 718.884365] [<ffffffff810ae170>]
sys_init_module+0x9c/0x1dc
[ 718.884372] [<ffffffff81034cfb>]
system_call_fastpath+0x16/0x1b
[ 718.884378] SOFTIRQ-ON-W at:
[ 718.884382] [<ffffffff810a1d94>]
__lock_acquire+0x6c9/0x1602
[ 718.884387] [<ffffffff810a2e11>]
lock_acquire+0x144/0x189
[ 718.884393] [<ffffffff814476d1>]
_raw_spin_lock+0x36/0x45
[ 718.884399] [<ffffffffa00a290e>]
nouveau_gpuobj_new+0x219/0x4de [nouveau]
[ 718.884430] [<ffffffffa009ed4b>]
nouveau_card_init+0x104d/0x135f [nouveau]
[ 718.884442] [<ffffffffa009f755>]
nouveau_load+0x6f8/0x77d [nouveau]
[ 718.884454] [<ffffffff812cd82d>]
drm_get_pci_dev+0x239/0x35a
[ 718.884460] [<ffffffffa00f92d8>]
nouveau_pci_probe+0x10/0x17 [nouveau]
[ 718.884477] [<ffffffff812531c3>]
local_pci_probe+0x12/0x16
[ 718.884483] [<ffffffff812539c2>]
pci_device_probe+0x60/0x8f
[ 718.884489] [<ffffffff812dee12>]
driver_probe_device+0xa7/0x136
[ 718.884495] [<ffffffff812deefd>]
__driver_attach+0x5c/0x80
[ 718.884501] [<ffffffff812de538>]
bus_for_each_dev+0x54/0x89
[ 718.884507] [<ffffffff812dec5d>]
driver_attach+0x19/0x1b
[ 718.884513] [<ffffffff812dde51>]
bus_add_driver+0x194/0x2fd
[ 718.884518] [<ffffffff812df1c8>]
driver_register+0x99/0x10a
[ 718.884524] [<ffffffff81253c32>]
__pci_register_driver+0x63/0xd3
[ 718.884530] [<ffffffff812cd97d>]
drm_pci_init+0x2f/0x95
[ 718.884536] [<ffffffff812c5fbe>]
drm_init+0x5d/0x61
[ 718.884541] [<ffffffffa011b048>]
0xffffffffa011b048
[ 718.884546] [<ffffffff81000210>]
do_one_initcall+0x7a/0x12e
[ 718.884553] [<ffffffff810ae170>]
sys_init_module+0x9c/0x1dc
[ 718.884559] [<ffffffff81034cfb>]
system_call_fastpath+0x16/0x1b
[ 718.884565] INITIAL USE at:
[ 718.884569] [<ffffffff810a1dec>]
__lock_acquire+0x721/0x1602
[ 718.884575] [<ffffffff810a2e11>]
lock_acquire+0x144/0x189
[ 718.884580] [<ffffffff814476d1>]
_raw_spin_lock+0x36/0x45
[ 718.884586] [<ffffffffa00a290e>]
nouveau_gpuobj_new+0x219/0x4de [nouveau]
[ 718.884599] [<ffffffffa00e0fb2>]
nv50_instmem_init+0x2f3/0x92d [nouveau]
[ 718.884617] [<ffffffffa009ed4b>]
nouveau_card_init+0x104d/0x135f [nouveau]
[ 718.884629] [<ffffffffa009f755>]
nouveau_load+0x6f8/0x77d [nouveau]
[ 718.884641] [<ffffffff812cd82d>]
drm_get_pci_dev+0x239/0x35a
[ 718.884647] [<ffffffffa00f92d8>]
nouveau_pci_probe+0x10/0x17 [nouveau]
[ 718.884664] [<ffffffff812531c3>]
local_pci_probe+0x12/0x16
[ 718.884670] [<ffffffff812539c2>]
pci_device_probe+0x60/0x8f
[ 718.884676] [<ffffffff812dee12>]
driver_probe_device+0xa7/0x136
[ 718.884682] [<ffffffff812deefd>]
__driver_attach+0x5c/0x80
[ 718.884688] [<ffffffff812de538>]
bus_for_each_dev+0x54/0x89
[ 718.884694] [<ffffffff812dec5d>]
driver_attach+0x19/0x1b
[ 718.884700] [<ffffffff812dde51>]
bus_add_driver+0x194/0x2fd
[ 718.884706] [<ffffffff812df1c8>]
driver_register+0x99/0x10a
[ 718.884712] [<ffffffff81253c32>]
__pci_register_driver+0x63/0xd3
[ 718.884734] [<ffffffff81000210>]
do_one_initcall+0x7a/0x12e
[ 718.884740] [<ffffffff810ae170>]
sys_init_module+0x9c/0x1dc
[ 718.884746] [<ffffffff81034cfb>]
system_call_fastpath+0x16/0x1b
[ 718.884752] }
[ 718.884754] ... key at: [<ffffffffa010c008>]
__key.41343+0x0/0xfffffffffffed2d7 [nouveau]
[ 718.884767] ... acquired at:
[ 718.884770] [<ffffffff810a100f>] check_irq_usage+0x5d/0xbe
[ 718.884775] [<ffffffff810a2673>] __lock_acquire+0xfa8/0x1602
[ 718.884779] [<ffffffff810a2e11>] lock_acquire+0x144/0x189
[ 718.884784] [<ffffffff814476d1>] _raw_spin_lock+0x36/0x45
[ 718.884789] [<ffffffffa00a261c>] nouveau_gpuobj_del+0xc0/0x112
[nouveau]
[ 718.884801] [<ffffffff8123eee6>] kref_put+0x43/0x4d
[ 718.884807] [<ffffffffa00a2471>] nouveau_gpuobj_ref+0x34/0x3d
[nouveau]
[ 718.884819] [<ffffffffa00d0f62>]
nv50_graph_destroy_context+0xb7/0xc3 [nouveau]
[ 718.884836] [<ffffffffa009fa48>] nouveau_channel_free+0x145/0x249
[nouveau]
[ 718.884848] [<ffffffffa009fbbb>] nouveau_ioctl_fifo_free+0x6f/0x73
[nouveau]
[ 718.884858] [<ffffffff812c5d38>] drm_ioctl+0x299/0x343
[ 718.884864] [<ffffffff81126a41>] do_vfs_ioctl+0x499/0x4e8
[ 718.884868] [<ffffffff81126ad2>] sys_ioctl+0x42/0x65
[ 718.884873] [<ffffffff81034cfb>] system_call_fastpath+0x16/0x1b
[ 718.884879]
[ 718.884880]
[ 718.884881] stack backtrace:
[ 718.884885] Pid: 2431, comm: X Not tainted 2.6.37+ #521
[ 718.884888] Call Trace:
[ 718.884893] [<ffffffff810a0f9e>] check_usage+0x45c/0x470
[ 718.884900] [<ffffffff810a100f>] check_irq_usage+0x5d/0xbe
[ 718.884905] [<ffffffff810a2673>] __lock_acquire+0xfa8/0x1602
[ 718.884918] [<ffffffffa00a261c>] ? nouveau_gpuobj_del+0xc0/0x112
[nouveau]
[ 718.884923] [<ffffffff810a2e11>] lock_acquire+0x144/0x189
[ 718.884934] [<ffffffffa00a261c>] ? nouveau_gpuobj_del+0xc0/0x112
[nouveau]
[ 718.884940] [<ffffffff814476d1>] _raw_spin_lock+0x36/0x45
[ 718.884952] [<ffffffffa00a261c>] ? nouveau_gpuobj_del+0xc0/0x112
[nouveau]
[ 718.884970] [<ffffffffa00e0415>] ? nv84_instmem_flush+0x42/0x72
[nouveau]
[ 718.884982] [<ffffffffa00a261c>] nouveau_gpuobj_del+0xc0/0x112
[nouveau]
[ 718.884994] [<ffffffffa00a255c>] ? nouveau_gpuobj_del+0x0/0x112
[nouveau]
[ 718.885000] [<ffffffff8123eee6>] kref_put+0x43/0x4d
[ 718.885011] [<ffffffffa00a2471>] nouveau_gpuobj_ref+0x34/0x3d
[nouveau]
[ 718.885029] [<ffffffffa00d0f62>] nv50_graph_destroy_context+0xb7/0xc3
[nouveau]
[ 718.885040] [<ffffffffa009fa48>] nouveau_channel_free+0x145/0x249
[nouveau]
[ 718.885052] [<ffffffffa009fbbb>] nouveau_ioctl_fifo_free+0x6f/0x73
[nouveau]
[ 718.885057] [<ffffffff812c5d38>] drm_ioctl+0x299/0x343
[ 718.885068] [<ffffffffa009fb4c>] ? nouveau_ioctl_fifo_free+0x0/0x73
[nouveau]
[ 718.885074] [<ffffffff810a01fc>] ? mark_held_locks+0x52/0x70
[ 718.885080] [<ffffffff81113756>] ? kmem_cache_free+0xb4/0x194
[ 718.885085] [<ffffffff810a0461>] ?
trace_hardirqs_on_caller+0x118/0x13c
[ 718.885090] [<ffffffff81126a41>] do_vfs_ioctl+0x499/0x4e8
[ 718.885095] [<ffffffff8111872b>] ? fget_light+0x138/0x311
[ 718.885100] [<ffffffff81126ad2>] sys_ioctl+0x42/0x65
[ 718.885106] [<ffffffff81034cfb>] system_call_fastpath+0x16/0x1b