I get the same issue in 11.10.  When I come back, I get a blank screen which I cannot wake-up and my laptop fan is running full speed.  I have the hard power it to get it back up.  Here is my stack, which looks similar, perhaps exactly the same:


ov  6 07:49:15 caprica kernel: [ 2242.104577] INFO: rcu_sched_state detected stall on CPU 0 (t=15000 jiffies)
Nov  6 07:51:15 caprica kernel: [ 2361.883483] [fglrx] ASIC hang happened
Nov  6 07:51:15 caprica kernel: [ 2361.883489] Pid: 1168, comm: Xorg Tainted: P         C  3.0.0-12-generic #20-Ubuntu
Nov  6 07:51:15 caprica kernel: [ 2361.883491] Call Trace:
Nov  6 07:51:15 caprica kernel: [ 2361.883529]  [<ffffffffa0148d7e>] KCL_DEBUG_OsDump+0xe/0x10 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883546]  [<ffffffffa015620c>] firegl_hardwareHangRecovery+0x1c/0x50 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883580]  [<ffffffffa01e2d59>] ? _ZN4Asic9WaitUntil15ResetASICIfHungEv+0x9/0x10 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883612]  [<ffffffffa01e2d0c>] ? _ZN4Asic9WaitUntil15WaitForCompleteEv+0x6c/0xb0 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883643]  [<ffffffffa01ddfb4>] ? _ZN15ExecutableUnits10CPRingIdleE15idle_WaitMethod12_QS_CP_RING_+0xe4/0x1a0 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883674]  [<ffffffffa01dde7b>] ? _ZN15ExecutableUnits7PM4idleE15idle_WaitMethod+0x4b/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883703]  [<ffffffffa01ddafe>] ? _ZN15ExecutableUnits9assertPM4Eb+0x1e/0x70 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883735]  [<ffffffffa01e9259>] ? _ZN8AsicR6009assertPM4Eb+0x39/0x80 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883755]  [<ffffffffa0173560>] ? firegl_cmmqs_enableqs+0x90/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883782]  [<ffffffffa01b9856>] ? CMMQS_DisableQS+0x16/0x20 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883802]  [<ffffffffa0173560>] ? firegl_cmmqs_enableqs+0x90/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883821]  [<ffffffffa01751b2>] ? firegl_cmmqs_Disable_QS+0x62/0x80 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883839]  [<ffffffffa0173580>] ? firegl_cmmqs_disableqs+0x20/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883851]  [<ffffffffa0144976>] ? KCL_PosixSecurityCapCheck+0x26/0x30 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883867]  [<ffffffffa0151e18>] ? firegl_ioctl+0x1e8/0x250 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883878]  [<ffffffffa01429be>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883881]  [<ffffffff8117939a>] ? do_vfs_ioctl+0x8a/0x340
Nov  6 07:51:15 caprica kernel: [ 2361.883884]  [<ffffffff81167870>] ? vfs_write+0x110/0x180
Nov  6 07:51:15 caprica kernel: [ 2361.883886]  [<ffffffff811796e1>] ? sys_ioctl+0x91/0xa0
Nov  6 07:51:15 caprica kernel: [ 2361.883889]  [<ffffffff815f22c2>] ? system_call_fastpath+0x16/0x1b
Nov  6 07:51:15 caprica kernel: [ 2361.883891] pubdev:0xffffffffa03a5600, num of device:1 , name:fglrx, major 8, minor 88.
Nov  6 07:51:15 caprica kernel: [ 2361.883893] device 0 : 0xffff8801353d4000 .
Nov  6 07:51:15 caprica kernel: [ 2361.883894] Asic ID:0x6760, revision:0x3c, MMIOReg:0xffffc90011140000.
Nov  6 07:51:15 caprica kernel: [ 2361.883896] FB phys addr: 0xc0000000, MC :0xf00000000, Total FB size :0x40000000.
Nov  6 07:51:15 caprica kernel: [ 2361.883898] gart table MC:0xf0f92b000, Physical:0xcf92b000, size:0x3d4000.
Nov  6 07:51:15 caprica kernel: [ 2361.883899] mc_node :FB, total 1 zones
ov  6 07:49:15 caprica kernel: [ 2242.104577] INFO: rcu_sched_state detected stall on CPU 0 (t=15000 jiffies)
Nov  6 07:51:15 caprica kernel: [ 2361.883483] [fglrx] ASIC hang happened
Nov  6 07:51:15 caprica kernel: [ 2361.883489] Pid: 1168, comm: Xorg Tainted: P         C  3.0.0-12-generic #20-Ubuntu
Nov  6 07:51:15 caprica kernel: [ 2361.883491] Call Trace:
Nov  6 07:51:15 caprica kernel: [ 2361.883529]  [<ffffffffa0148d7e>] KCL_DEBUG_OsDump+0xe/0x10 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883546]  [<ffffffffa015620c>] firegl_hardwareHangRecovery+0x1c/0x50 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883580]  [<ffffffffa01e2d59>] ? _ZN4Asic9WaitUntil15ResetASICIfHungEv+0x9/0x10 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883612]  [<ffffffffa01e2d0c>] ? _ZN4Asic9WaitUntil15WaitForCompleteEv+0x6c/0xb0 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883643]  [<ffffffffa01ddfb4>] ? _ZN15ExecutableUnits10CPRingIdleE15idle_WaitMethod12_QS_CP_RING_+0xe4/0x1a0 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883674]  [<ffffffffa01dde7b>] ? _ZN15ExecutableUnits7PM4idleE15idle_WaitMethod+0x4b/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883703]  [<ffffffffa01ddafe>] ? _ZN15ExecutableUnits9assertPM4Eb+0x1e/0x70 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883735]  [<ffffffffa01e9259>] ? _ZN8AsicR6009assertPM4Eb+0x39/0x80 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883755]  [<ffffffffa0173560>] ? firegl_cmmqs_enableqs+0x90/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883782]  [<ffffffffa01b9856>] ? CMMQS_DisableQS+0x16/0x20 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883802]  [<ffffffffa0173560>] ? firegl_cmmqs_enableqs+0x90/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883821]  [<ffffffffa01751b2>] ? firegl_cmmqs_Disable_QS+0x62/0x80 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883839]  [<ffffffffa0173580>] ? firegl_cmmqs_disableqs+0x20/0x90 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883851]  [<ffffffffa0144976>] ? KCL_PosixSecurityCapCheck+0x26/0x30 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883867]  [<ffffffffa0151e18>] ? firegl_ioctl+0x1e8/0x250 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883878]  [<ffffffffa01429be>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Nov  6 07:51:15 caprica kernel: [ 2361.883881]  [<ffffffff8117939a>] ? do_vfs_ioctl+0x8a/0x340
Nov  6 07:51:15 caprica kernel: [ 2361.883884]  [<ffffffff81167870>] ? vfs_write+0x110/0x180
Nov  6 07:51:15 caprica kernel: [ 2361.883886]  [<ffffffff811796e1>] ? sys_ioctl+0x91/0xa0
Nov  6 07:51:15 caprica kernel: [ 2361.883889]  [<ffffffff815f22c2>] ? system_call_fastpath+0x16/0x1b
Nov  6 07:51:15 caprica kernel: [ 2361.883891] pubdev:0xffffffffa03a5600, num of device:1 , name:fglrx, major 8, minor 88.
Nov  6 07:51:15 caprica kernel: [ 2361.883893] device 0 : 0xffff8801353d4000 .
Nov  6 07:51:15 caprica kernel: [ 2361.883894] Asic ID:0x6760, revision:0x3c, MMIOReg:0xffffc90011140000.
Nov  6 07:51:15 caprica kernel: [ 2361.883896] FB phys addr: 0xc0000000, MC :0xf00000000, Total FB size :0x40000000.
Nov  6 07:51:15 caprica kernel: [ 2361.883898] gart table MC:0xf0f92b000, Physical:0xcf92b000, size:0x3d4000.
Nov  6 07:51:15 caprica kernel: [ 2361.883899] mc_node :FB, total 1 zones

Nov  6 07:51:15 caprica kernel: [ 2361.883908]     MC start:0xf0fd00000, Physical:0xcfd00000, size:0x30300000.
Nov  6 07:51:15 caprica kernel: [ 2361.883910]     Mapped heap -- Offset:0x302f4000, size:0xc000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883911] mc_node :GART_USWC, total 2 zones
Nov  6 07:51:15 caprica kernel: [ 2361.883912]     MC start:0x3dee0000, Physical:0x0, size:0x4c800000.
Nov  6 07:51:15 caprica kernel: [ 2361.883914]     Mapped heap -- Offset:0x2820000, size:0x800000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883915]     Mapped heap -- Offset:0x2020000, size:0x800000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883917]     Mapped heap -- Offset:0x20000, size:0x2000000, reference count:11, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883919] mc_node :GART_CACHEABLE, total 3 zones
Nov  6 07:51:15 caprica kernel: [ 2361.883920]     MC start:0x10400000, Physical:0x0, size:0x2dae0000.
Nov  6 07:51:15 caprica kernel: [ 2361.883921]     Mapped heap -- Offset:0xa500000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883923]     Mapped heap -- Offset:0x9e00000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883924]     Mapped heap -- Offset:0x9700000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883926]     Mapped heap -- Offset:0x9000000, size:0x700000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883927]     Mapped heap -- Offset:0x8c00000, size:0x400000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883929]     Mapped heap -- Offset:0x6b00000, size:0x400000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883931]     Mapped heap -- Offset:0x8700000, size:0x500000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883932]     Mapped heap -- Offset:0x8200000, size:0x500000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883934]     Mapped heap -- Offset:0x7d00000, size:0x500000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883935]     Mapped heap -- Offset:0x7900000, size:0x400000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883937]     Mapped heap -- Offset:0x7400000, size:0x500000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883938]     Mapped heap -- Offset:0x6f00000, size:0x500000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883940]     Mapped heap -- Offset:0x6400000, size:0x300000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883942]     Mapped heap -- Offset:0x5000000, size:0x400000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883943]     Mapped heap -- Offset:0x4c00000, size:0x400000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883945]     Mapped heap -- Offset:0x4800000, size:0x400000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883947]     Mapped heap -- Offset:0x5d00000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883948]     Mapped heap -- Offset:0x5600000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883950]     Mapped heap -- Offset:0x4100000, size:0x700000, reference count:3, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883951]     Mapped heap -- Offset:0x3a00000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883953]     Mapped heap -- Offset:0x3300000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883954]     Mapped heap -- Offset:0x2c00000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883956]     Mapped heap -- Offset:0x2500000, size:0x700000, reference count:3, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883958]     Mapped heap -- Offset:0x1e00000, size:0x700000, reference count:2, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883959]     Mapped heap -- Offset:0x1700000, size:0x700000, reference count:3, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883961]     Mapped heap -- Offset:0x1000000, size:0x700000, reference count:3, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883962]     Mapped heap -- Offset:0x900000, size:0x700000, reference count:15, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883964]     Mapped heap -- Offset:0x200000, size:0x700000, reference count:5, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883965]     Mapped heap -- Offset:0x0, size:0x200000, reference count:11, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883967]     Mapped heap -- Offset:0xef000, size:0x11000, reference count:1, mapping count:0,
Nov  6 07:51:15 caprica kernel: [ 2361.883970] GRBM : 0xa0001828, SRBM : 0x200000c0 .
Nov  6 07:51:15 caprica kernel: [ 2361.883973] CP_RB_BASE : 0x3df000, CP_RB_RPTR : 0x3e160 , CP_RB_WPTR :0x3e280.
Nov  6 07:51:15 caprica kernel: [ 2361.883976] CP_IB1_BUFSZ:0x0, CP_IB1_BASE_HI:0x0, CP_IB1_BASE_LO:0x3e44d000.
Nov  6 07:51:15 caprica kernel: [ 2361.883977] last submit IB buffer -- MC :0x3e44d000,phys:0x117cb4000.
Nov  6 07:51:15 caprica kernel: [ 2361.883979] Dump the trace queue.
Nov  6 07:51:15 caprica kernel: [ 2361.883980] End of dump