Messages in this thread | | | Date | Fri, 27 Feb 2009 10:28:51 +0100 | From | Jiri Slaby <> | Subject | i915 X lockup |
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Hi,
everytime I run X, it gets stuck. Currently running on mmotm 2009-02-26-16-58, but I think this is wider problem. I had i915 disabled for a long time (until I noticed today).
SysRq : Show Locks Held
Showing all locks held in the system: 3 locks held by events/0/10: #0: (events){+.+.+.}, at: [<ffffffff8025223d>] worker_thread+0x19d/0x340 #1: (&(&dev_priv->mm.retire_work)->work){+.+...}, at: [<ffffffff8025223d>] worker_thread+0x19d/0x340 #2: (&dev->struct_mutex){+.+.+.}, at: [<ffffffff804057ba>] i915_gem_retire_work_handler+0x3a/0x90 1 lock held by mingetty/3899: #0: (&tty->atomic_read_lock){+.+.+.}, at: [<ffffffff803cb5de>] n_tty_read+0x48e/0x8e0 1 lock held by mingetty/3900: #0: (&tty->atomic_read_lock){+.+.+.}, at: [<ffffffff803cb5de>] n_tty_read+0x48e/0x8e0 1 lock held by mingetty/3901: #0: (&tty->atomic_read_lock){+.+.+.}, at: [<ffffffff803cb5de>] n_tty_read+0x48e/0x8e0 1 lock held by X/4007: #0: (&dev->struct_mutex){+.+.+.}, at: [<ffffffff8040563c>] i915_gem_throttle_ioctl+0x2c/0x60 2 locks held by bash/4105: #0: (sysrq_key_table_lock){......}, at: [<ffffffff803de366>] __handle_sysrq+0x26/0x190 #1: (tasklist_lock){.+.+..}, at: [<ffffffff80266c1f>] debug_show_all_locks+0x3f/0x1c0
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INFO: task events/0:10 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. events/0 D 0000000000000000 0 10 2 ffff8801cb22fd60 0000000000000046 ffff8801cb22fcc0 ffffffff809d5cb0 0000000000010400 ffffffff804057ba ffff8801cb20a6d0 ffff8801cb20a080 ffff8801cb20a328 00000000802690a3 00000000ffff0ea1 0000000000000002 Call Trace: [<ffffffff804057ba>] ? i915_gem_retire_work_handler+0x3a/0x90 [<ffffffff8026804d>] ? mark_held_locks+0x6d/0x90 [<ffffffff80612fb5>] ? mutex_lock_nested+0x185/0x310 [<ffffffff80612f46>] mutex_lock_nested+0x116/0x310 [<ffffffff804057ba>] ? i915_gem_retire_work_handler+0x3a/0x90 [<ffffffff802690a3>] ? __lock_acquire+0xab3/0x12c0 [<ffffffff80405780>] ? i915_gem_retire_work_handler+0x0/0x90 [<ffffffff804057ba>] i915_gem_retire_work_handler+0x3a/0x90 [<ffffffff80252290>] worker_thread+0x1f0/0x340 [<ffffffff8025223d>] ? worker_thread+0x19d/0x340 [<ffffffff80614aff>] ? _spin_unlock_irqrestore+0x3f/0x60 [<ffffffff80256de0>] ? autoremove_wake_function+0x0/0x40 [<ffffffff8026838d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff802520a0>] ? worker_thread+0x0/0x340 [<ffffffff80256a2e>] kthread+0x9e/0xb0 [<ffffffff8020d51a>] child_rip+0xa/0x20 [<ffffffff8020cf3c>] ? restore_args+0x0/0x30 [<ffffffff80256990>] ? kthread+0x0/0xb0 [<ffffffff8020d510>] ? child_rip+0x0/0x20 3 locks held by events/0/10: #0: (events){+.+.+.}, at: [<ffffffff8025223d>] worker_thread+0x19d/0x340 #1: (&(&dev_priv->mm.retire_work)->work){+.+...}, at: [<ffffffff8025223d>] worker_thread+0x19d/0x340 #2: (&dev->struct_mutex){+.+.+.}, at: [<ffffffff804057ba>] i915_gem_retire_work_handler+0x3a/0x90
Adapter is: 00:02.0 VGA compatible controller [0300]: Intel Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Intel Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] Flags: bus master, fast devsel, latency 0, IRQ 26 Memory at ffa80000 (32-bit, non-prefetchable) [size=512K] I/O ports at ec00 [size=8] Memory at d0000000 (32-bit, prefetchable) [size=256M] Memory at ff900000 (32-bit, non-prefetchable) [size=1M] Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Count=1/1 Enable+ Capabilities: [d0] Power Management version 2 Kernel driver in use: i915
X server complains: [mi] EQ overflowing. The server is probably stuck in an infinite loop. [mi] mieqEnequeue: out-of-order valuator event; dropping.
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