From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 31782] New: nouveau: lockdep spew Date: Thu, 24 Mar 2011 09:51:44 GMT Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.sourceforge.net To: dri-devel@lists.sourceforge.net List-Id: dri-devel@lists.freedesktop.org https://bugzilla.kernel.org/show_bug.cgi?id=31782 Summary: nouveau: lockdep spew Product: Drivers Version: 2.5 Kernel Version: 2.6.38 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@kernel-bugs.osdl.org ReportedBy: johannes@sipsolutions.net Regression: Yes [ 17.225800] ========================================================= [ 17.225805] [ INFO: possible irq lock inversion dependency detected ] [ 17.225808] 2.6.38-wl-65107-gc5f1016-dirty #211 [ 17.225810] --------------------------------------------------------- [ 17.225813] modprobe/2506 just changed the state of lock: [ 17.225816] (&(&dev_priv->context_switch_lock)->rlock){-.....}, at: [] nouveau_irq_handler+0x5f/0x130 [nouveau] [ 17.225842] but this lock took another, HARDIRQ-unsafe lock in the past: [ 17.225844] (&(&dev_priv->ramin_lock)->rlock){+.+...} [ 17.225847] [ 17.225848] and interrupts could create inverse lock ordering between them. [ 17.225849] [ 17.225851] [ 17.225852] other info that might help us debug this: [ 17.225855] 5 locks held by modprobe/2506: [ 17.225857] #0: (&__lockdep_no_validate__){+.+.+.}, at: [] __driver_attach+0x5b/0xb0 [ 17.225869] #1: (&__lockdep_no_validate__){+.+.+.}, at: [] __driver_attach+0x69/0xb0 [ 17.225877] #2: (drm_global_mutex){+.+.+.}, at: [] drm_get_pci_dev+0x102/0x2c0 [drm] [ 17.225896] #3: (&chan->mutex){+.+.+.}, at: [] nouveau_channel_alloc+0xc4/0x470 [nouveau] [ 17.225915] #4: (&sb->s_type->i_mutex_key#2){+.+.+.}, at: [] debugfs_create_by_name+0x57/0x1d0 [ 17.225926] [ 17.225927] the shortest dependencies between 2nd lock and 1st lock: [ 17.225953] -> (&(&dev_priv->ramin_lock)->rlock){+.+...} ops: 24860 { [ 17.225960] HARDIRQ-ON-W at: [ 17.225963] [] mark_irqflags+0x13b/0x1c0 [ 17.225970] [] __lock_acquire+0x5ac/0xa80 [ 17.225975] [] lock_acquire+0x9e/0x1d0 [ 17.225980] [] _raw_spin_lock+0x40/0x80 [ 17.225986] [] nouveau_gpuobj_new+0xb1/0x2d0 [nouveau] [ 17.226002] [] nv50_instmem_init+0x13c/0x530 [nouveau] [ 17.226024] [] nouveau_card_init+0x12b/0x3d0 [nouveau] [ 17.226039] [] nouveau_load+0x329/0x550 [nouveau] [ 17.226055] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.226066] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.226084] [] local_pci_probe+0x5f/0xd0 [ 17.226090] [] pci_device_probe+0x88/0xb0 [ 17.226095] [] really_probe+0x68/0x190 [ 17.226100] [] driver_probe_device+0x45/0x70 [ 17.226105] [] __driver_attach+0xab/0xb0 [ 17.226110] [] bus_for_each_dev+0x66/0x90 [ 17.226115] [] driver_attach+0x1e/0x20 [ 17.226120] [] bus_add_driver+0x158/0x290 [ 17.226125] [] driver_register+0x74/0x130 [ 17.226130] [] __pci_register_driver+0x66/0xe0 [ 17.226135] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.226146] [] drm_init+0x58/0x70 [drm] [ 17.226155] [] nouveau_init+0x48/0x4a [nouveau] [ 17.226169] [] do_one_initcall+0x44/0x180 [ 17.226175] [] sys_init_module+0xca/0x210 [ 17.226181] [] system_call_fastpath+0x16/0x1b [ 17.226186] SOFTIRQ-ON-W at: [ 17.226189] [] mark_irqflags+0x15f/0x1c0 [ 17.226194] [] __lock_acquire+0x5ac/0xa80 [ 17.226199] [] lock_acquire+0x9e/0x1d0 [ 17.226204] [] _raw_spin_lock+0x40/0x80 [ 17.226208] [] nouveau_gpuobj_new+0xb1/0x2d0 [nouveau] [ 17.226225] [] nv50_instmem_init+0x13c/0x530 [nouveau] [ 17.226244] [] nouveau_card_init+0x12b/0x3d0 [nouveau] [ 17.226260] [] nouveau_load+0x329/0x550 [nouveau] [ 17.226275] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.226286] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.226303] [] local_pci_probe+0x5f/0xd0 [ 17.226309] [] pci_device_probe+0x88/0xb0 [ 17.226314] [] really_probe+0x68/0x190 [ 17.226319] [] driver_probe_device+0x45/0x70 [ 17.226324] [] __driver_attach+0xab/0xb0 [ 17.226329] [] bus_for_each_dev+0x66/0x90 [ 17.226334] [] driver_attach+0x1e/0x20 [ 17.226339] [] bus_add_driver+0x158/0x290 [ 17.226343] [] driver_register+0x74/0x130 [ 17.226348] [] __pci_register_driver+0x66/0xe0 [ 17.226354] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.226364] [] drm_init+0x58/0x70 [drm] [ 17.226373] [] nouveau_init+0x48/0x4a [nouveau] [ 17.226387] [] do_one_initcall+0x44/0x180 [ 17.226392] [] sys_init_module+0xca/0x210 [ 17.226397] [] system_call_fastpath+0x16/0x1b [ 17.226402] INITIAL USE at: [ 17.226405] [] __lock_acquire+0x3da/0xa80 [ 17.226410] [] lock_acquire+0x9e/0x1d0 [ 17.226415] [] _raw_spin_lock+0x40/0x80 [ 17.226420] [] nouveau_gpuobj_new+0xb1/0x2d0 [nouveau] [ 17.226436] [] nv50_instmem_init+0x13c/0x530 [nouveau] [ 17.226456] [] nouveau_card_init+0x12b/0x3d0 [nouveau] [ 17.226471] [] nouveau_load+0x329/0x550 [nouveau] [ 17.226486] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.226497] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.226514] [] local_pci_probe+0x5f/0xd0 [ 17.226520] [] pci_device_probe+0x88/0xb0 [ 17.226525] [] really_probe+0x68/0x190 [ 17.226530] [] driver_probe_device+0x45/0x70 [ 17.226535] [] __driver_attach+0xab/0xb0 [ 17.226540] [] bus_for_each_dev+0x66/0x90 [ 17.226545] [] driver_attach+0x1e/0x20 [ 17.226549] [] bus_add_driver+0x158/0x290 [ 17.226554] [] driver_register+0x74/0x130 [ 17.226559] [] __pci_register_driver+0x66/0xe0 [ 17.226564] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.226575] [] drm_init+0x58/0x70 [drm] [ 17.226583] [] nouveau_init+0x48/0x4a [nouveau] [ 17.226597] [] do_one_initcall+0x44/0x180 [ 17.226602] [] sys_init_module+0xca/0x210 [ 17.226607] [] system_call_fastpath+0x16/0x1b [ 17.226612] } [ 17.226614] ... key at: [] __key.34306+0x0/0xfffffffffffec192 [nouveau] [ 17.226628] ... acquired at: [ 17.226630] [] validate_chain.clone.19+0x5b1/0x6f0 [ 17.226634] [] __lock_acquire+0x49d/0xa80 [ 17.226638] [] lock_acquire+0x9e/0x1d0 [ 17.226643] [] _raw_spin_lock+0x40/0x80 [ 17.226647] [] nv84_instmem_flush+0x22/0xa0 [nouveau] [ 17.226666] [] nv50_fifo_create_context+0x26c/0x350 [nouveau] [ 17.226685] [] nouveau_channel_alloc+0x22c/0x470 [nouveau] [ 17.226700] [] nouveau_card_init_channel+0x51/0x170 [nouveau] [ 17.226715] [] nouveau_card_init+0x258/0x3d0 [nouveau] [ 17.226730] [] nouveau_load+0x329/0x550 [nouveau] [ 17.226745] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.226755] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.226772] [] local_pci_probe+0x5f/0xd0 [ 17.226777] [] pci_device_probe+0x88/0xb0 [ 17.226781] [] really_probe+0x68/0x190 [ 17.226786] [] driver_probe_device+0x45/0x70 [ 17.226791] [] __driver_attach+0xab/0xb0 [ 17.226795] [] bus_for_each_dev+0x66/0x90 [ 17.226800] [] driver_attach+0x1e/0x20 [ 17.226804] [] bus_add_driver+0x158/0x290 [ 17.226808] [] driver_register+0x74/0x130 [ 17.226813] [] __pci_register_driver+0x66/0xe0 [ 17.226817] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.226827] [] drm_init+0x58/0x70 [drm] [ 17.226836] [] nouveau_init+0x48/0x4a [nouveau] [ 17.226849] [] do_one_initcall+0x44/0x180 [ 17.226853] [] sys_init_module+0xca/0x210 [ 17.226858] [] system_call_fastpath+0x16/0x1b [ 17.226862] [ 17.226864] -> (&(&dev_priv->context_switch_lock)->rlock){-.....} ops: 6 { [ 17.226870] IN-HARDIRQ-W at: [ 17.226873] [] mark_irqflags+0x19d/0x1c0 [ 17.226878] [] __lock_acquire+0x5ac/0xa80 [ 17.226883] [] lock_acquire+0x9e/0x1d0 [ 17.226887] [] _raw_spin_lock_irqsave+0x52/0x90 [ 17.226892] [] nouveau_irq_handler+0x5f/0x130 [nouveau] [ 17.226909] [] handle_IRQ_event+0x79/0x2f0 [ 17.226915] [] handle_fasteoi_irq+0x7d/0x100 [ 17.226920] [] handle_irq+0x22/0x40 [ 17.226925] [] do_IRQ+0x5d/0xe0 [ 17.226930] [] ret_from_intr+0x0/0x13 [ 17.226935] [] mutex_lock_nested+0x73/0x3b0 [ 17.226940] [] debugfs_create_by_name+0x57/0x1d0 [ 17.226945] [] debugfs_create_file+0x88/0xb0 [ 17.226950] [] debugfs_create_dir+0x1b/0x20 [ 17.226954] [] nouveau_debugfs_channel_init+0xca/0xf0 [nouveau] [ 17.226974] [] nouveau_channel_alloc+0x2c1/0x470 [nouveau] [ 17.226990] [] nouveau_card_init_channel+0x51/0x170 [nouveau] [ 17.227005] [] nouveau_card_init+0x258/0x3d0 [nouveau] [ 17.227021] [] nouveau_load+0x329/0x550 [nouveau] [ 17.227036] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.227047] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.227065] [] local_pci_probe+0x5f/0xd0 [ 17.227070] [] pci_device_probe+0x88/0xb0 [ 17.227075] [] really_probe+0x68/0x190 [ 17.227080] [] driver_probe_device+0x45/0x70 [ 17.227085] [] __driver_attach+0xab/0xb0 [ 17.227090] [] bus_for_each_dev+0x66/0x90 [ 17.227095] [] driver_attach+0x1e/0x20 [ 17.227100] [] bus_add_driver+0x158/0x290 [ 17.227105] [] driver_register+0x74/0x130 [ 17.227110] [] __pci_register_driver+0x66/0xe0 [ 17.227115] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.227125] [] drm_init+0x58/0x70 [drm] [ 17.227134] [] nouveau_init+0x48/0x4a [nouveau] [ 17.227148] [] do_one_initcall+0x44/0x180 [ 17.227153] [] sys_init_module+0xca/0x210 [ 17.227158] [] system_call_fastpath+0x16/0x1b [ 17.227163] INITIAL USE at: [ 17.227166] [] __lock_acquire+0x3da/0xa80 [ 17.227171] [] lock_acquire+0x9e/0x1d0 [ 17.227175] [] _raw_spin_lock_irqsave+0x52/0x90 [ 17.227180] [] nouveau_irq_register+0x3f/0x70 [nouveau] [ 17.227197] [] nv50_gpio_init+0x82/0x150 [nouveau] [ 17.227217] [] nouveau_card_init+0x168/0x3d0 [nouveau] [ 17.227233] [] nouveau_load+0x329/0x550 [nouveau] [ 17.227248] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.227259] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.227276] [] local_pci_probe+0x5f/0xd0 [ 17.227281] [] pci_device_probe+0x88/0xb0 [ 17.227286] [] really_probe+0x68/0x190 [ 17.227291] [] driver_probe_device+0x45/0x70 [ 17.227296] [] __driver_attach+0xab/0xb0 [ 17.227301] [] bus_for_each_dev+0x66/0x90 [ 17.227306] [] driver_attach+0x1e/0x20 [ 17.227310] [] bus_add_driver+0x158/0x290 [ 17.227315] [] driver_register+0x74/0x130 [ 17.227320] [] __pci_register_driver+0x66/0xe0 [ 17.227325] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.227336] [] drm_init+0x58/0x70 [drm] [ 17.227344] [] nouveau_init+0x48/0x4a [nouveau] [ 17.227358] [] do_one_initcall+0x44/0x180 [ 17.227363] [] sys_init_module+0xca/0x210 [ 17.227368] [] system_call_fastpath+0x16/0x1b [ 17.227373] } [ 17.227374] ... key at: [] __key.34928+0x0/0xfffffffffffec1b2 [nouveau] [ 17.227388] ... acquired at: [ 17.227390] [] check_usage_forwards+0x89/0x100 [ 17.227395] [] mark_lock_irq+0x99/0x2b0 [ 17.227399] [] mark_lock+0x171/0x420 [ 17.227403] [] mark_irqflags+0x19d/0x1c0 [ 17.227407] [] __lock_acquire+0x5ac/0xa80 [ 17.227411] [] lock_acquire+0x9e/0x1d0 [ 17.227416] [] _raw_spin_lock_irqsave+0x52/0x90 [ 17.227420] [] nouveau_irq_handler+0x5f/0x130 [nouveau] [ 17.227436] [] handle_IRQ_event+0x79/0x2f0 [ 17.227440] [] handle_fasteoi_irq+0x7d/0x100 [ 17.227445] [] handle_irq+0x22/0x40 [ 17.227449] [] do_IRQ+0x5d/0xe0 [ 17.227453] [] ret_from_intr+0x0/0x13 [ 17.227457] [] mutex_lock_nested+0x73/0x3b0 [ 17.227461] [] debugfs_create_by_name+0x57/0x1d0 [ 17.227466] [] debugfs_create_file+0x88/0xb0 [ 17.227470] [] debugfs_create_dir+0x1b/0x20 [ 17.227474] [] nouveau_debugfs_channel_init+0xca/0xf0 [nouveau] [ 17.227493] [] nouveau_channel_alloc+0x2c1/0x470 [nouveau] [ 17.227508] [] nouveau_card_init_channel+0x51/0x170 [nouveau] [ 17.227523] [] nouveau_card_init+0x258/0x3d0 [nouveau] [ 17.227538] [] nouveau_load+0x329/0x550 [nouveau] [ 17.227553] [] drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.227563] [] nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.227580] [] local_pci_probe+0x5f/0xd0 [ 17.227585] [] pci_device_probe+0x88/0xb0 [ 17.227589] [] really_probe+0x68/0x190 [ 17.227594] [] driver_probe_device+0x45/0x70 [ 17.227598] [] __driver_attach+0xab/0xb0 [ 17.227602] [] bus_for_each_dev+0x66/0x90 [ 17.227607] [] driver_attach+0x1e/0x20 [ 17.227611] [] bus_add_driver+0x158/0x290 [ 17.227616] [] driver_register+0x74/0x130 [ 17.227620] [] __pci_register_driver+0x66/0xe0 [ 17.227625] [] drm_pci_init+0xdf/0xf0 [drm] [ 17.227635] [] drm_init+0x58/0x70 [drm] [ 17.227643] [] nouveau_init+0x48/0x4a [nouveau] [ 17.227656] [] do_one_initcall+0x44/0x180 [ 17.227661] [] sys_init_module+0xca/0x210 [ 17.227665] [] system_call_fastpath+0x16/0x1b [ 17.227669] [ 17.227671] [ 17.227672] stack backtrace: [ 17.227675] Pid: 2506, comm: modprobe Not tainted 2.6.38-wl-65107-gc5f1016-dirty #211 [ 17.227678] Call Trace: [ 17.227680] [] ? print_irq_inversion_bug+0x137/0x160 [ 17.227689] [] ? check_usage_forwards+0x89/0x100 [ 17.227695] [] ? sched_clock_local+0x25/0x90 [ 17.227699] [] ? check_usage_forwards+0x0/0x100 [ 17.227704] [] ? mark_lock_irq+0x99/0x2b0 [ 17.227708] [] ? save_stack_trace+0x2d/0x50 [ 17.227713] [] ? mark_lock+0x171/0x420 [ 17.227717] [] ? mark_irqflags+0x19d/0x1c0 [ 17.227722] [] ? __lock_acquire+0x5ac/0xa80 [ 17.227726] [] ? _raw_spin_unlock+0x55/0x60 [ 17.227731] [] ? native_sched_clock+0x29/0x80 [ 17.227735] [] ? lock_acquire+0x9e/0x1d0 [ 17.227751] [] ? nouveau_irq_handler+0x5f/0x130 [nouveau] [ 17.227756] [] ? _raw_spin_lock_irqsave+0x52/0x90 [ 17.227772] [] ? nouveau_irq_handler+0x5f/0x130 [nouveau] [ 17.227776] [] ? sched_clock_cpu+0xa8/0x120 [ 17.227792] [] ? nouveau_irq_handler+0x5f/0x130 [nouveau] [ 17.227797] [] ? put_lock_stats.clone.14+0xe/0x40 [ 17.227801] [] ? lock_release_holdtime+0xa8/0x150 [ 17.227806] [] ? handle_IRQ_event+0x79/0x2f0 [ 17.227810] [] ? handle_fasteoi_irq+0x72/0x100 [ 17.227816] [] ? handle_fasteoi_irq+0x7d/0x100 [ 17.227820] [] ? handle_irq+0x22/0x40 [ 17.227824] [] ? do_IRQ+0x5d/0xe0 [ 17.227828] [] ? ret_from_intr+0x0/0x13 [ 17.227831] [] ? lock_acquire+0xb3/0x1d0 [ 17.227840] [] ? debugfs_create_by_name+0x57/0x1d0 [ 17.227844] [] ? sched_clock_cpu+0xa8/0x120 [ 17.227849] [] ? mutex_lock_nested+0x73/0x3b0 [ 17.227853] [] ? debugfs_create_by_name+0x57/0x1d0 [ 17.227859] [] ? simple_pin_fs+0x4d/0xb0 [ 17.227863] [] ? debugfs_create_by_name+0x57/0x1d0 [ 17.227868] [] ? simple_pin_fs+0x4d/0xb0 [ 17.227873] [] ? get_parent_ip+0x11/0x50 [ 17.227878] [] ? debugfs_create_by_name+0x57/0x1d0 [ 17.227883] [] ? debugfs_create_file+0x88/0xb0 [ 17.227887] [] ? debugfs_create_dir+0x1b/0x20 [ 17.227906] [] ? nouveau_debugfs_channel_init+0xca/0xf0 [nouveau] [ 17.227922] [] ? nouveau_channel_alloc+0x2c1/0x470 [nouveau] [ 17.227938] [] ? nouveau_card_init_channel+0x51/0x170 [nouveau] [ 17.227953] [] ? nouveau_card_init+0x258/0x3d0 [nouveau] [ 17.227968] [] ? nouveau_load+0x329/0x550 [nouveau] [ 17.227980] [] ? drm_get_pci_dev+0x190/0x2c0 [drm] [ 17.227997] [] ? nouveau_pci_probe+0x15/0x17 [nouveau] [ 17.228002] [] ? local_pci_probe+0x5f/0xd0 [ 17.228007] [] ? pci_device_probe+0x88/0xb0 [ 17.228012] [] ? driver_sysfs_add+0x7a/0xb0 [ 17.228016] [] ? really_probe+0x68/0x190 [ 17.228021] [] ? driver_probe_device+0x45/0x70 [ 17.228026] [] ? __driver_attach+0xab/0xb0 [ 17.228030] [] ? __driver_attach+0x0/0xb0 [ 17.228035] [] ? bus_for_each_dev+0x66/0x90 [ 17.228039] [] ? driver_attach+0x1e/0x20 [ 17.228044] [] ? bus_add_driver+0x158/0x290 [ 17.228057] [] ? nouveau_init+0x0/0x4a [nouveau] [ 17.228062] [] ? driver_register+0x74/0x130 [ 17.228076] [] ? nouveau_init+0x0/0x4a [nouveau] [ 17.228081] [] ? __pci_register_driver+0x66/0xe0 [ 17.228092] [] ? drm_pci_init+0xdf/0xf0 [drm] [ 17.228105] [] ? nouveau_init+0x0/0x4a [nouveau] [ 17.228114] [] ? drm_init+0x58/0x70 [drm] [ 17.228127] [] ? nouveau_init+0x48/0x4a [nouveau] [ 17.228132] [] ? do_one_initcall+0x44/0x180 [ 17.228137] [] ? sys_init_module+0xca/0x210 [ 17.228141] [] ? system_call_fastpath+0x16/0x1b -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. ------------------------------------------------------------------------------ Enable your software for Intel(R) Active Management Technology to meet the growing manageability and security demands of your customers. 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