Ubuntu
fglrx package

fglrx ASIC hang happened

Bug #1460860 reported by js1 on 2015-06-02

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	fglrx (Ubuntu)	New	Undecided	Unassigned

Bug Description

Using AMD FirePro W5100. System stays up but no video. I login via serial console and reboot. Here's the kernel log of the crash:

Jun 1 17:17:01 bulma CRON[5650]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Jun 1 17:23:37 bulma kernel: [74036.617114] <6>[fglrx] ASIC hang happened
Jun 1 17:23:37 bulma kernel: [74036.617117] CPU: 1 PID: 1553 Comm: Xorg Tainted: P OE 3.16.0-38-generic #52~14.04.1-Ubuntu
Jun 1 17:23:37 bulma kernel: [74036.617118] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A06 01/19/2015
Jun 1 17:23:37 bulma kernel: [74036.617119] 0000000101194765 ffff881066907be8 ffffffff8176534f 0000000000000000
Jun 1 17:23:37 bulma kernel: [74036.617121] ffff881066907bf8 ffffffffc0c9d9ae 0000000101194764 ffffffffc0cad23c
Jun 1 17:23:37 bulma kernel: [74036.617122] 0000000000000000 ffffffffc0d6d5de ffff881066907c68 ffffffffc0d6d549
Jun 1 17:23:37 bulma kernel: [74036.617123] Call Trace:
Jun 1 17:23:37 bulma kernel: [74036.617129] [<ffffffff8176534f>] dump_stack+0x45/0x56
Jun 1 17:23:37 bulma kernel: [74036.617170] [<ffffffffc0c9d9ae>] KCL_DEBUG_OsDump+0xe/0x10 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617192] [<ffffffffc0cad23c>] firegl_hardwareHangRecovery+0x1c/0x30 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617235] [<ffffffffc0d6d5de>] ? _ZN4Asic9WaitUntil15ResetASICIfHungEv+0x1e/0x30 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617276] [<ffffffffc0d6d549>] ? _ZN4Asic9WaitUntil15WaitForCompleteEv+0xb9/0x130 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617315] [<ffffffffc0d69e55>] ? _ZN4Asic19PM4ElapsedTimeStampEj14_LARGE_INTEGER12_QS_CP_RING_+0xd5/0x160 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617359] [<ffffffffc0d883f2>] ? _ZNK6AsicCI19insertEventWriteEOPE12_QS_CP_RING_RPjjRmR14_LARGE_INTEGERj+0xb2/0x170 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617400] [<ffffffffc0d72119>] ? _ZN15ExecutableUnits35flush_all_and_invalidate_HDP_cachesE12_QS_CP_RING_+0xc9/0xf0 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617440] [<ffffffffc0d71ffe>] ? _ZN15ExecutableUnits8ringIdleE12_QS_CP_RING_+0x5e/0xb0 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617475] [<ffffffffc0d48bcd>] ? _Z17uQSPm4SynchronizemP18_QS_SYNC_PACKET_IN+0x4d/0x50 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617510] [<ffffffffc0d438c8>] ? _Z8uCWDDEQCmjjPvjS_+0x648/0x1240 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617542] [<ffffffffc0d39b2a>] ? CMMQS_uCWDDEQC+0xa/0x10 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617567] [<ffffffffc0cdad5f>] ? firegl_cmmqs_CWDDE_32+0x36f/0x480 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617591] [<ffffffffc0cd95fe>] ? firegl_cmmqs_CWDDE32+0x8e/0x140 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617593] [<ffffffff81077707>] ? capable+0x17/0x20
Jun 1 17:23:37 bulma kernel: [74036.617617] [<ffffffffc0cd9570>] ? firegl_cmmqs_disabledriver+0x120/0x120 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617637] [<ffffffffc0ca7758>] ? firegl_ioctl+0x1f8/0x260 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617645] [<ffffffffc03064a6>] ? sound_insert_unit.isra.2+0x86/0x2b0 [soundcore]
Jun 1 17:23:37 bulma kernel: [74036.617661] [<ffffffffc0c951de>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Jun 1 17:23:37 bulma kernel: [74036.617663] [<ffffffff811e7360>] ? do_vfs_ioctl+0x2e0/0x4c0
Jun 1 17:23:37 bulma kernel: [74036.617665] [<ffffffff8164a582>] ? __sys_recvmsg+0x42/0x80
Jun 1 17:23:37 bulma kernel: [74036.617666] [<ffffffff811e75c1>] ? SyS_ioctl+0x81/0xa0
Jun 1 17:23:37 bulma kernel: [74036.617670] [<ffffffff8176da4d>] ? system_call_fastpath+0x1a/0x1f
Jun 1 17:23:37 bulma kernel: [74036.617671] pubdev:0xffffffffc17a19a0, num of device:1 , name:fglrx, major 15, minor 20.
Jun 1 17:23:37 bulma kernel: [74036.617673] device 0 : 0xffff881063ca4000 .
Jun 1 17:23:37 bulma kernel: [74036.617674] Asic ID:0x6649, revision:0x15, MMIOReg:0xffffc90017600000.
Jun 1 17:23:37 bulma kernel: [74036.617675] FB phys addr: 0x33fe0000000, MC :0xf400000000, Total FB size :0x100000000.
Jun 1 17:23:37 bulma kernel: [74036.617676] gart table MC:0xf40f6b8000, Physical:0x33fef6b8000, size:0x547000.
Jun 1 17:23:37 bulma kernel: [74036.617677] mc_node :FB, total 1 zones
Jun 1 17:23:37 bulma kernel: [74036.617678] MC start:0xf400000000, Physical:0x33fe0000000, size:0xfd00000.
Jun 1 17:23:37 bulma kernel: [74036.617679] Mapped heap -- Offset:0x0, size:0xf6b4000, reference count:60, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617680] Mapped heap -- Offset:0x0, size:0x1000000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617681] Mapped heap -- Offset:0xf6b4000, size:0x4000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617682] Mapped heap -- Offset:0xf6b8000, size:0x548000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617683] Mapped heap -- Offset:0xfc00000, size:0x100000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617684] mc_node :INV_FB, total 1 zones
Jun 1 17:23:37 bulma kernel: [74036.617684] MC start:0xf40fd00000, Physical:0x33fefd00000, size:0xf0300000.
Jun 1 17:23:37 bulma kernel: [74036.617685] Mapped heap -- Offset:0x2f8000, size:0x8000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617686] Mapped heap -- Offset:0xf02f3000, size:0xd000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617687] mc_node :GART_USWC, total 4 zones
Jun 1 17:23:37 bulma kernel: [74036.617687] MC start:0xff80900000, Physical:0x0, size:0x78000000.
Jun 1 17:23:37 bulma kernel: [74036.617688] Mapped heap -- Offset:0x0, size:0x2000000, reference count:4, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617689] mc_node :GART_CACHEABLE, total 4 zones
Jun 1 17:23:37 bulma kernel: [74036.617690] MC start:0xff50400000, Physical:0x0, size:0x30500000.
Jun 1 17:23:37 bulma kernel: [74036.617691] Mapped heap -- Offset:0x11d00000, size:0x2900000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617691] Mapped heap -- Offset:0xc900000, size:0x600000, reference count:5, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617692] Mapped heap -- Offset:0x9600000, size:0x600000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617693] Mapped heap -- Offset:0xa800000, size:0x600000, reference count:5, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617694] Mapped heap -- Offset:0x9000000, size:0x600000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617695] Mapped heap -- Offset:0x3f00000, size:0x500000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617696] Mapped heap -- Offset:0xf400000, size:0x2900000, reference count:7, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617696] Mapped heap -- Offset:0x3d00000, size:0x200000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617697] Mapped heap -- Offset:0x8c00000, size:0x400000, reference count:3, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617698] Mapped heap -- Offset:0xc300000, size:0x600000, reference count:5, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617699] Mapped heap -- Offset:0xa200000, size:0x600000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617700] Mapped heap -- Offset:0x9c00000, size:0x600000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617700] Mapped heap -- Offset:0xb200000, size:0x1100000, reference count:9, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617701] Mapped heap -- Offset:0x3a00000, size:0x300000, reference count:3, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617702] Mapped heap -- Offset:0x7a00000, size:0x1200000, reference count:9, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617703] Mapped heap -- Offset:0x6800000, size:0x1200000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617704] Mapped heap -- Offset:0x2600000, size:0xa00000, reference count:16, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617705] Mapped heap -- Offset:0x5600000, size:0x1200000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617705] Mapped heap -- Offset:0x4400000, size:0x1200000, reference count:2, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617706] Mapped heap -- Offset:0x3000000, size:0xa00000, reference count:7, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617707] Mapped heap -- Offset:0x1400000, size:0x1200000, reference count:3, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617708] Mapped heap -- Offset:0x200000, size:0x1200000, reference count:3, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617709] Mapped heap -- Offset:0x0, size:0x200000, reference count:10, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617710] Mapped heap -- Offset:0xef000, size:0x11000, reference count:1, mapping count:0,
Jun 1 17:23:37 bulma kernel: [74036.617710] mc_node :PEER_FB_GART, total 1 zones
Jun 1 17:23:37 bulma kernel: [74036.617711] MC start:0xfff8900000, Physical:0x0, size:0x1000.
Jun 1 17:23:37 bulma kernel: [74036.617713] GRBM : 0xa0003028, SRBM : 0x20000f40 .
Jun 1 17:23:37 bulma kernel: [74036.617715] CP_RB_BASE : 0xff809000, CP_RB_RPTR : 0x31e70 , CP_RB_WPTR :0x31e90.
Jun 1 17:23:37 bulma kernel: [74036.617717] CP_IB1_BUFSZ:0x0, CP_IB1_BASE_HI:0xff, CP_IB1_BASE_LO:0x8138f000.
Jun 1 17:23:37 bulma kernel: [74036.617718] last submit IB buffer -- MC :0xff8138f000,phys:0x1056ea1000.
Jun 1 17:23:37 bulma kernel: [74036.617719] Dump the trace queue.
Jun 1 17:23:37 bulma kernel: [74036.617719] End of dump

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Revision history for this message

js1 (sujiannming) wrote on 2015-07-16:

Download full text (7.9 KiB)

Jul 16 15:20:01 bulma kernel: [505297.215063] <6>[fglrx] ASIC hang happened
Jul 16 15:20:01 bulma kernel: [505297.215067] CPU: 9 PID: 17772 Comm: Xorg Tainted: P           OE 3.16.0-43-generic #58~14.04.1-Ubuntu
Jul 16 15:20:01 bulma kernel: [505297.215068] Hardware name: Dell Inc. Precision Tower 5810/0K240Y, BIOS A06 01/19/2015
Jul 16 15:20:01 bulma kernel: [505297.215068]  0000000107866853 ffff880f84d27be8 ffffffff81765a91 0000000000000000
Jul 16 15:20:01 bulma kernel: [505297.215070]  ffff880f84d27bf8 ffffffffc0b3194e 0000000107866852 ffffffffc0b411fc
Jul 16 15:20:01 bulma kernel: [505297.215071]  0000000000000000 ffffffffc0c0159e ffff880f84d27c68 ffffffffc0c01509
Jul 16 15:20:01 bulma kernel: [505297.215073] Call Trace:
Jul 16 15:20:01 bulma kernel: [505297.215078]  [<ffffffff81765a91>] dump_stack+0x45/0x56
Jul 16 15:20:01 bulma kernel: [505297.215122]  [<ffffffffc0b3194e>] KCL_DEBUG_OsDump+0xe/0x10 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215143]  [<ffffffffc0b411fc>] firegl_hardwareHangRecovery+0x1c/0x30 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215188]  [<ffffffffc0c0159e>] ? _ZN4Asic9WaitUntil15ResetASICIfHungEv+0x1e/0x30 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215230]  [<ffffffffc0c01509>] ? _ZN4Asic9WaitUntil15WaitForCompleteEv+0xb9/0x130 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215271]  [<ffffffffc0bfde15>] ? _ZN4Asic19PM4ElapsedTimeStampEj14_LARGE_INTEGER12_QS_CP_RING_+0xd5/0x160 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215315]  [<ffffffffc0c1c3b2>] ? _ZNK6AsicCI19insertEventWriteEOPE12_QS_CP_RING_RPjjRmR14_LARGE_INTEGERj+0xb2/0x170 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215358]  [<ffffffffc0c060d9>] ? _ZN15ExecutableUnits35flush_all_and_invalidate_HDP_cachesE12_QS_CP_RING_+0xc9/0xf0 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215399]  [<ffffffffc0c05fbe>] ? _ZN15ExecutableUnits8ringIdleE12_QS_CP_RING_+0x5e/0xb0 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215434]  [<ffffffffc0bdcb8d>] ? _Z17uQSPm4SynchronizemP18_QS_SYNC_PACKET_IN+0x4d/0x50 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215469]  [<ffffffffc0bd7888>] ? _Z8uCWDDEQCmjjPvjS_+0x648/0x1240 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215502]  [<ffffffffc0bcdaea>] ? CMMQS_uCWDDEQC+0xa/0x10 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215528]  [<ffffffffc0b6ed1f>] ? firegl_cmmqs_CWDDE_32+0x36f/0x480 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215555]  [<ffffffffc0b6d5be>] ? firegl_cmmqs_CWDDE32+0x8e/0x140 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215558]  [<ffffffff810777a7>] ? capable+0x17/0x20
Jul 16 15:20:01 bulma kernel: [505297.215584]  [<ffffffffc0b6d530>] ? firegl_cmmqs_disabledriver+0x120/0x120 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215606]  [<ffffffffc0b3b718>] ? firegl_ioctl+0x1f8/0x260 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215614]  [<ffffffffc03064a6>] ? snd_seq_cell_alloc.isra.1+0x1c6/0x230 [snd_seq]
Jul 16 15:20:01 bulma kernel: [505297.215633]  [<ffffffffc0b291de>] ? ip_firegl_unlocked_ioctl+0xe/0x20 [fglrx]
Jul 16 15:20:01 bulma kernel: [505297.215636]  [<ffffffff811e75e0>] ? do_vfs_ioctl+0x2e0/0x4c0
Jul 16 15:20:01 bulma kernel: [505297.215638]  [<ffffffff8164aa42>] ? __sys_recvmsg+0x42/0x80
Jul 16 15:20:01 bulma kernel: [505297.215640]  [<ffffffff811e7841>] ? SyS_ioctl+0x81/0xa0
Jul 16 15:20:01 bulma kernel: [505297.215643]  [<ffffffff8176e14d>] ? system_call_fastpath+0x1a/0x1f
Jul 16 15:20:01 bulma kernel: [505297.215645] pubdev:0xffffffffc16359a0, num of device:1 , name:fglrx, major 15, minor 20.
Jul 16 15:20:01 bulma kernel: [505297.215646] device 0 : 0xffff881064d7c000 .
Jul 16 15:20:01 bulma kernel: [505297.215647] Asic ID:0x6649, revision:0x15, MMIOReg:0xffffc90017580000.
Jul 16 15:20:01 bulma kernel: [505297.215648] FB phys addr: 0x33fe0000000, MC :0xf400000000, Total FB size :0x100000000.
Jul 16 15:20:01 bulma kernel: [505297.215649] gart table MC:0xf40f6b8000, Physical:0x33fef6b8000, size:0x547000.
Jul 16 15:20:01 bulma kernel: [505297.215650] mc_node :FB, total 1 zones
Jul 16 15:20:01 bulma kernel: [505297.215651]     MC start:0xf400000000, Physical:0x33fe0000000, size:0xfd00000.
Jul 16 15:20:01 bulma kernel: [505297.215653]     Mapped heap -- Offset:0x0, size:0xf6b4000, reference count:33, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215653]     Mapped heap -- Offset:0x0, size:0x1000000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215654]     Mapped heap -- Offset:0xf6b4000, size:0x4000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215655]     Mapped heap -- Offset:0xf6b8000, size:0x548000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215656]     Mapped heap -- Offset:0xfc00000, size:0x100000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215657] mc_node :INV_FB, total 1 zones
Jul 16 15:20:01 bulma kernel: [505297.215658]     MC start:0xf40fd00000, Physical:0x33fefd00000, size:0xf0300000.
Jul 16 15:20:01 bulma kernel: [505297.215659]     Mapped heap -- Offset:0x2f8000, size:0x8000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215660]     Mapped heap -- Offset:0xf02f3000, size:0xd000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215661] mc_node :GART_USWC, total 4 zones
Jul 16 15:20:01 bulma kernel: [505297.215661]     MC start:0xff80900000, Physical:0x0, size:0x78000000.
Jul 16 15:20:01 bulma kernel: [505297.215662]     Mapped heap -- Offset:0x0, size:0x2000000, reference count:4, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215663] mc_node :GART_CACHEABLE, total 4 zones
Jul 16 15:20:01 bulma kernel: [505297.215664]     MC start:0xff50400000, Physical:0x0, size:0x30500000.
Jul 16 15:20:01 bulma kernel: [505297.215665]     Mapped heap -- Offset:0x8c00000, size:0x700000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215666]     Mapped heap -- Offset:0x7a00000, size:0x1200000, reference count:2, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215667]     Mapped heap -- Offset:0x6800000, size:0x1200000, reference count:2, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215668]     Mapped heap -- Offset:0x5600000, size:0x1200000, reference count:2, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215669]     Mapped heap -- Offset:0x4c00000, size:0xa00000, reference count:2, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215670]     Mapped heap -- Offset:0x4200000, size:0xa00000, reference count:4, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215671]     Mapped heap -- Offset:0x3000000, size:0x1200000, reference count:2, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215672]     Mapped heap -- Offset:0x2600000, size:0xa00000, reference count:12, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215673]     Mapped heap -- Offset:0x1400000, size:0x1200000, reference count:3, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215673]     Mapped heap -- Offset:0x200000, size:0x1200000, reference count:3, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215674]     Mapped heap -- Offset:0x0, size:0x200000, reference count:10, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215675]     Mapped heap -- Offset:0xef000, size:0x11000, reference count:1, mapping count:0,
Jul 16 15:20:01 bulma kernel: [505297.215676] mc_node :PEER_FB_GART, total 1 zones
Jul 16 15:20:01 bulma kernel: [505297.215677]     MC start:0xfff8900000, Physical:0x0, size:0x1000.
Jul 16 15:20:01 bulma kernel: [505297.215678] GRBM : 0xa0003028, SRBM : 0x20000e40 .
Jul 16 15:20:01 bulma kernel: [505297.215680] CP_RB_BASE : 0xff809000, CP_RB_RPTR : 0x30c50 , CP_RB_WPTR :0x30c50.
Jul 16 15:20:01 bulma kernel: [505297.215682] CP_IB1_BUFSZ:0x0, CP_IB1_BASE_HI:0xff, CP_IB1_BASE_LO:0x814a2000.
Jul 16 15:20:01 bulma kernel: [505297.215683] last submit IB buffer -- MC :0xff814a2000,phys:0x1055837000.
Jul 16 15:20:01 bulma kernel: [505297.215685] Dump the trace queue.
Jul 16 15:20:01 bulma kernel: [505297.215685] End of dump

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