[Bug 545039] Re: Hard freeze after upgrading to Lucid

[Guilherme Salgado]

It's just happened again.  This time when running
2.6.34-020634rc5-generic

AFAICT (by looking at the logs), this is the first time it happened when
running this kernel.

May 26 12:44:46 gorducho kernel: [190200.831234] i915          D ffff880001e15740     0   712      2 0x00000000
May 26 12:44:46 gorducho kernel: [190200.831243]  ffff8800b9943d40 0000000000000046 0000000000000001 ffff8800b9943fd8
May 26 12:44:46 gorducho kernel: [190200.831253]  ffff8800ba3adc40 0000000000015740 0000000000015740 ffff8800b9943fd8
May 26 12:44:46 gorducho kernel: [190200.831262]  0000000000015740 ffff8800b9943fd8 0000000000015740 ffff8800ba3adc40
May 26 12:44:46 gorducho kernel: [190200.831271] Call Trace:
May 26 12:44:46 gorducho kernel: [190200.831314]  [<ffffffffa02240f0>] ? intel_idle_update+0x0/0x100 [i915]
May 26 12:44:46 gorducho kernel: [190200.831327]  [<ffffffff8153df3b>] __mutex_lock_slowpath+0xeb/0x180
May 26 12:44:46 gorducho kernel: [190200.831337]  [<ffffffff8100985b>] ? __switch_to+0xbb/0x2e0
May 26 12:44:46 gorducho kernel: [190200.831346]  [<ffffffff8105118e>] ? put_prev_entity+0x2e/0x80
May 26 12:44:46 gorducho kernel: [190200.831372]  [<ffffffffa02240f0>] ? intel_idle_update+0x0/0x100 [i915]
May 26 12:44:46 gorducho kernel: [190200.831380]  [<ffffffff8153db5b>] mutex_lock+0x2b/0x50
May 26 12:44:46 gorducho kernel: [190200.831404]  [<ffffffffa0224130>] intel_idle_update+0x40/0x100 [i915]
May 26 12:44:46 gorducho kernel: [190200.831413]  [<ffffffff8107a10c>] run_workqueue+0xbc/0x190
May 26 12:44:46 gorducho kernel: [190200.831420]  [<ffffffff8107a65b>] worker_thread+0x9b/0x100
May 26 12:44:46 gorducho kernel: [190200.831428]  [<ffffffff8107edc0>] ? autoremove_wake_function+0x0/0x40
May 26 12:44:46 gorducho kernel: [190200.831435]  [<ffffffff8107a5c0>] ? worker_thread+0x0/0x100
May 26 12:44:46 gorducho kernel: [190200.831442]  [<ffffffff8107e9e6>] kthread+0x96/0xa0
May 26 12:44:46 gorducho kernel: [190200.831449]  [<ffffffff8100be64>] kernel_thread_helper+0x4/0x10
May 26 12:44:46 gorducho kernel: [190200.831456]  [<ffffffff8107e950>] ? kthread+0x0/0xa0
May 26 12:44:46 gorducho kernel: [190200.831463]  [<ffffffff8100be60>] ? kernel_thread_helper+0x0/0x10
May 26 12:44:46 gorducho kernel: [190200.831491] Xorg          D ffff880001f15740     0  1047   1027 0x00400004
May 26 12:44:46 gorducho kernel: [190200.831500]  ffff8800b94c3cc8 0000000000000082 ffff8800b94c3c78 ffff8800b94c3fd8
May 26 12:44:46 gorducho kernel: [190200.831509]  ffff8800b944ae20 0000000000015740 0000000000015740 ffff8800b94c3fd8
May 26 12:44:46 gorducho kernel: [190200.831517]  0000000000015740 ffff8800b94c3fd8 0000000000015740 ffff8800b944ae20
May 26 12:44:46 gorducho kernel: [190200.831526] Call Trace:
May 26 12:44:46 gorducho kernel: [190200.831534]  [<ffffffff8153df3b>] __mutex_lock_slowpath+0xeb/0x180
May 26 12:44:46 gorducho kernel: [190200.831542]  [<ffffffff8153db5b>] mutex_lock+0x2b/0x50
May 26 12:44:46 gorducho kernel: [190200.831565]  [<ffffffffa0216f8f>] i915_gem_ring_throttle+0x3f/0x80 [i915]
May 26 12:44:46 gorducho kernel: [190200.831588]  [<ffffffffa0216fe1>] i915_gem_throttle_ioctl+0x11/0x20 [i915]
May 26 12:44:46 gorducho kernel: [190200.831613]  [<ffffffffa019cf23>] drm_ioctl+0x283/0x460 [drm]
May 26 12:44:46 gorducho kernel: [190200.831623]  [<ffffffff81033d39>] ? default_spin_lock_flags+0x9/0x10
May 26 12:44:46 gorducho kernel: [190200.831646]  [<ffffffffa0216fd0>] ? i915_gem_throttle_ioctl+0x0/0x20 [i915]
May 26 12:44:46 gorducho kernel: [190200.831655]  [<ffffffff81033d39>] ? default_spin_lock_flags+0x9/0x10
May 26 12:44:46 gorducho kernel: [190200.831663]  [<ffffffff8153f1e4>] ? _raw_spin_lock_irqsave+0x34/0x50
May 26 12:44:46 gorducho kernel: [190200.831671]  [<ffffffff81082425>] ? __remove_hrtimer+0x45/0xb0
May 26 12:44:46 gorducho kernel: [190200.831680]  [<ffffffff8115063a>] vfs_ioctl+0x3a/0xc0
May 26 12:44:46 gorducho kernel: [190200.831687]  [<ffffffff81150c2d>] do_vfs_ioctl+0x6d/0x1f0
May 26 12:44:46 gorducho kernel: [190200.831694]  [<ffffffff8106495d>] ? sys_setitimer+0xbd/0xf0
May 26 12:44:46 gorducho kernel: [190200.831701]  [<ffffffff81150e37>] sys_ioctl+0x87/0xa0
May 26 12:44:46 gorducho kernel: [190200.831709]  [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b

-- 
Hard freeze after upgrading to Lucid
https://bugs.launchpad.net/bugs/545039
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