from dmesg: [25266.556694] [drm] stuck on render ring [25266.557819] [drm] GPU HANG: ecode 0:0xf5dffffe, in chrome [10959], reason: Ring hung, action: reset [25266.557821] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [25266.557822] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [25266.557823] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [25266.557824] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [25266.557826] [drm] GPU crash dump saved to /sys/class/drm/card0/error crash dump here: GPU HANG: ecode 0:0xf5dffffe, in chrome [10959], reason: Ring hung, action: reset Time: 1422656455 s 912645 us Kernel: 3.16.0-29-generic Active process (on ring render): chrome [10959] Reset count: 0 Suspend count: 2 PCI ID: 0x0416 EIR: 0x00000000 IER: 0xf4403d29 PGTBL_ER: 0x00000000 FORCEWAKE: 0x00000001 DERRMR: 0xffff7dfd CCID: 0x09c3610d Missed interrupts: 0x00000000 fence[0] = 1d3710671c572001 fence[1] = 1cd806700ed9001 fence[2] = 1e3430671d372001 fence[3] = 00000000 fence[4] = 00000000 fence[5] = 00000000 fence[6] = 00000000 fence[7] = 00000000 fence[8] = 00000000 fence[9] = 00000000 fence[10] = 00000000 fence[11] = 00000000 fence[12] = 00000000 fence[13] = 00000000 fence[14] = 00000000 fence[15] = 00000000 fence[16] = 00000000 fence[17] = 00000000 fence[18] = 00000000 fence[19] = 00000000 fence[20] = 00000000 fence[21] = 00000000 fence[22] = 00000000 fence[23] = 00000000 fence[24] = 00000000 fence[25] = 00000000 fence[26] = 00000000 fence[27] = 00000000 fence[28] = 00000000 fence[29] = 00000000 fence[30] = 00000000 fence[31] = 00000000 INSTDONE_0: 0xffdfffff INSTDONE_1: 0xffffffff INSTDONE_2: 0xffffffff INSTDONE_3: 0xffffffff ERROR: 0x00000000 DONE_REG: 0xffffffff ERR_INT: 0x00000000 render command stream: HEAD: 0x5d602d9c TAIL: 0x00003160 CTL: 0x0001f001 TAIL: 0x00003160 CTL: 0x0001f001 HWS: 0x7fff0000 ACTHD: 0x00000000 5d602d9c IPEIR: 0x00000000 IPEHR: 0x0a000001 INSTDONE: 0xffdfffff BBADDR: 0x00000000 08be1f88 BB_STATE: 0x00000020 INSTPS: 0x80000101 INSTPM: 0x00006080 FADDR: 0x00000000 00301f80 RC PSMI: 0x00000010 FAULT_REG: 0x00000000 SYNC_0: 0x00000000 [last synced 0x00000000] SYNC_1: 0x01966601 [last synced 0x019665f1] SYNC_2: 0x00000000 [last synced 0x00000000] GFX_MODE: 0x00002a00 PP_DIR_BASE: 0x7fdf0000 seqno: 0x01966659 waiting: yes ring->head: 0x00019e28 ring->tail: 0x00003160 hangcheck: hung [40] bsd command stream: HEAD: 0x00000000 TAIL: 0x00000000 CTL: 0x0001f001 HWS: 0x00320000 ACTHD: 0x00000000 00000000 IPEIR: 0x00000000 IPEHR: 0x00000000 INSTDONE: 0xfffffffe BBADDR: 0x00000000 00000000 BB_STATE: 0x00000000 INSTPS: 0x00000000 INSTPM: 0x00000000 FADDR: 0x00000000 00321000 RC PSMI: 0x00000010 FAULT_REG: 0x00000000 SYNC_0: 0x01966601 [last synced 0x00000000] SYNC_1: 0x01966659 [last synced 0x00000000] SYNC_2: 0x00000000 [last synced 0x00000000] GFX_MODE: 0x00000200 PP_DIR_BASE: 0x7fdf0000 seqno: 0x00000000 waiting: no ring->head: 0x00000000 ring->tail: 0x00000000 hangcheck: idle [0] blt command stream: HEAD: 0x00e19230 TAIL: 0x00019230 CTL: 0x0001f001 HWS: 0x00341000 ACTHD: 0x00000000 00e19230 IPEIR: 0x00000000 ACTHD: 0x00000000 00e19230 IPEIR: 0x00000000 IPEHR: 0x01000000 INSTDONE: 0xfffffffe BBADDR: 0x00000000 1bea9024 BB_STATE: 0x00000000 INSTPS: 0x00000000 INSTPM: 0x00000000 FADDR: 0x00000000 0035b230 RC PSMI: 0x00000010 FAULT_REG: 0x00000000 SYNC_0: 0x01966659 [last synced 0x00000000] SYNC_1: 0x00000000 [last synced 0x00000000] SYNC_2: 0x00000000 [last synced 0x019665f2] GFX_MODE: 0x00000200 PP_DIR_BASE: 0x7fdf0000 seqno: 0x01966601 waiting: no ring->head: 0x0001fa40 ring->tail: 0x00019230 hangcheck: idle [0] vebox command stream: HEAD: 0x00000000 TAIL: 0x00000000 CTL: 0x0001f001 HWS: 0x00362000 ACTHD: 0x00000000 00000000 IPEIR: 0x00000000 IPEHR: 0x00000000 INSTDONE: 0xfffffffe BBADDR: 0x00000000 00000000 BB_STATE: 0x00000000 INSTPS: 0x00000000 INSTPM: 0x00000000 FADDR: 0x00000000 00363000 RC PSMI: 0x00000010 FAULT_REG: 0x00000000 SYNC_0: 0x01966601 [last synced 0x00000000] SYNC_1: 0x01966659 [last synced 0x00000000] SYNC_2: 0x00000000 [last synced 0x00000000] GFX_MODE: 0x00000200 PP_DIR_BASE: 0x7fdf0000 seqno: 0x00000000 waiting: no ring->head: 0x00000000 ring->tail: 0x00000000 hangcheck: idle [0] bsd2 command stream: Active [48]: 09c36000 69632 10 00 196665a 0 dirty render L3+LLC 12392000 16384 37 00 196665a 0 dirty render snooped or LLC 1f578000 65536 37 00 196665a 0 dirty render snooped or LLC 46849000 8388608 36 00 196665a 196665a Y dirty render snooped or LLC 29605000 8388608 36 00 196665a 196665a Y dirty render snooped or LLC 47049000 2097152 36 00 196665a 196665a dirty render snooped or LLC 24778000 4096 37 00 196665a 0 render snooped or LLC 24779000 4096 37 00 196665a 0 render snooped or LLC 24778000 4096 37 00 196665a 0 render snooped or LLC 24779000 4096 37 00 196665a 0 render snooped or LLC 3562d000 1048576 37 00 196665a 0 Y render snooped or LLC 3572d000 262144 37 00 196665a 0 Y render snooped or LLC 3576d000 262144 37 00 196665a 0 Y render snooped or LLC 358b2000 262144 37 00 196665a 0 Y render snooped or LLC 26ef1000 262144 37 00 196665a 0 Y render snooped or LLC 3542d000 262144 37 00 196665a 0 Y render snooped or LLC 16a8e000 262144 37 00 196665a 0 Y render snooped or LLC 47260000 262144 37 00 196665a 0 Y render snooped or LLC 472a0000 262144 37 00 196665a 0 Y render snooped or LLC 23952000 262144 37 00 196665a 0 Y render snooped or LLC 26b71000 262144 37 00 196665a 0 Y render snooped or LLC 1fcef000 262144 37 00 196665a 0 Y render snooped or LLC 4023b000 262144 37 00 196665a 0 Y render snooped or LLC 3546d000 262144 37 00 196665a 0 Y render snooped or LLC 1fd6f000 262144 37 00 196665a 0 Y render snooped or LLC 26f31000 262144 37 00 196665a 0 Y render snooped or LLC 46769000 262144 37 00 196665a 0 Y render snooped or LLC 46429000 262144 37 00 196665a 0 Y render snooped or LLC 26c71000 262144 37 00 196665a 0 Y render snooped or LLC 4605b000 262144 37 00 196665a 0 Y render snooped or LLC 4615b000 262144 37 00 196665a 0 Y render snooped or LLC 238d2000 262144 37 00 196665a 0 Y render snooped or LLC 467a9000 262144 37 00 196665a 0 Y render snooped or LLC 21d66000 131072 37 00 196665a 0 Y render snooped or LLC 40316000 131072 37 00 196665a 0 Y render snooped or LLC 21d8d000 131072 37 00 196665a 0 Y render snooped or LLC 40356000 131072 37 00 196665a 0 Y render snooped or LLC 25a35000 327680 37 00 196665a 0 Y render snooped or LLC 203ee000 32768 3f 00 196665a 0 dirty render snooped or LLC 249c2000 69632 10 00 196665b 0 dirty render L3+LLC 1b6e4000 36864 37 00 196665b 0 render snooped or LLC 3615b000 8294400 02 00 196665b 196665b X dirty render snooped or LLC (name: 9) 35972000 8294400 36 00 196665b 196665a X dirty render snooped or LLC (name: 33) 1199c000 65536 37 00 196665b 0 dirty render snooped or LLC 1bea9000 4096 3f 00 196665b 0 dirty render snooped or LLC 1beaa000 69632 10 00 196665c 0 dirty render L3+LLC 0f1e7000 32768 3f 00 196665c 0 dirty render snooped or LLC 28b24000 32768 3f 00 196665d 0 dirty render snooped or LLC 09dae000 32768 3f 00 196665e 0 dirty render snooped or LLC 3f2b8000 32768 3f 00 196665f 0 dirty render snooped or LLC Pinned [15]: 002ee000 69632 10 00 0 0 P dirty L3+LLC 7fff0000 4096 01 01 0 0 P snooped or LLC 002ff000 131072 40 40 0 0 P dirty snooped or LLC 0031f000 4096 01 01 0 0 P snooped or LLC 00320000 4096 01 01 0 0 P snooped or LLC 00321000 131072 40 40 0 0 P dirty snooped or LLC 00341000 4096 01 01 0 0 P snooped or LLC 00342000 131072 40 40 0 0 P dirty snooped or LLC 00362000 4096 01 01 0 0 P snooped or LLC 00363000 131072 40 40 0 0 P dirty snooped or LLC 00384000 8294400 41 00 0 0 P uncached (name: 1) 22481000 69632 50 00 0 0 P dirty L3+LLC 14b15000 16384 40 00 0 0 P dirty uncached 00ed9000 14680064 76 00 0 0 P X dirty uncached (name: 14) (fence: 1) 14b15000 16384 40 00 0 0 P dirty uncached 00ed9000 14680064 76 00 0 0 P X dirty uncached (name: 14) (fence: 1) 1d372000 16588800 36 00 0 0 P X dirty uncached (name: 8) (fence: 2) render ring (submitted by chrome [10959]) --- gtt_offset = 0x203ee000 .... Sorry I can't attach the whole dump; too large. Let me know if you need it.
*** This bug has been marked as a duplicate of bug 87759 ***
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