iMX6Quad galcore bug

Salvatore1z — Wed, 16 Dec 2015 15:52:58 GMT

Hi,

I'm working with a custom made board with an iMX6Quad.

I got the following bug:

[ 73.262086] ------------[ cut here ]------------

[ 73.266717] kernel BUG at drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c:1973!

[ 73.274997] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM

[ 73.280842] Modules linked in:

[ 73.283949] CPU: 1 PID: 92 Comm: galcore daemon Not tainted 3.14.28scamp+ #20

[ 73.291191] task: a8324800 ti: a8618000 task.ti: a8618000

[ 73.296630] PC is at gckOS_ReadRegisterEx+0xd4/0xe0

[ 73.301540] LR is at _AllowAccess+0x60/0x88

[ 73.305754] pc : [<804e49c0>] lr : [<804e4734>] psr: 600b0013

[ 73.305754] sp : a8619ee0 ip : 0000002b fp : 80000000

[ 73.317294] r10: 00000000 r9 : 00000000 r8 : a8618020

[ 73.322528] r7 : a8619f14 r6 : 0000000c r5 : a83a6b00 r4 : 00000000

[ 73.329062] r3 : 0000005b r2 : 00000000 r1 : 00000001 r0 : 00000000

[ 73.335598] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel

[ 73.342916] Control: 10c53c7d Table: 395fc04a DAC: 00000015

[ 73.348671] Process galcore daemon (pid: 92, stack limit = 0xa8618238)

[ 73.355372] Stack: (0xa8619ee0 to 0xa861a000)

[ 73.359797] 9ee0: 00000000 a83fd400 a83a6e00 804e2840 00000000 804f4ddc f6fff5df a8063d2c

[ 73.367986] 9f00: a83fd420 00000000 00000000 80000000 0000001c 00000000 00100100 a8414000

[ 73.376172] 9f20: a83fd400 a83f7ed0 804e2840 00000000 00000000 00000000 00000000 804fd2bc

[ 73.384371] 9f40: 804e2840 00000000 a8614480 a83f7e00 8102c97c 804e2860 00000000 a8614480

[ 73.392568] 9f60: a83f7e00 80047a90 1e5d77bd 00000000 fedf5ffd a83f7e00 00000000 00000000

[ 73.400765] 9f80: a8619f80 a8619f80 00000000 00000000 a8619f90 a8619f90 a8619fac a8614480

[ 73.408951] 9fa0: 800479c4 00000000 00000000 8000e5b8 00000000 00000000 00000000 00000000

[ 73.417135] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[ 73.425318] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 fcafde7f fd9dfb32

[ 73.433514] [<804e49c0>] (gckOS_ReadRegisterEx) from [<804f4ddc>] (gckEVENT_Notify+0x470/0x508)

[ 73.442225] [<804f4ddc>] (gckEVENT_Notify) from [<804fd2bc>] (gckHARDWARE_Interrupt+0x60/0x80)

[ 73.450848] [<804fd2bc>] (gckHARDWARE_Interrupt) from [<804e2860>] (threadRoutine+0x20/0x70)

[ 73.459303] [<804e2860>] (threadRoutine) from [<80047a90>] (kthread+0xcc/0xe4)

[ 73.466539] [<80047a90>] (kthread) from [<8000e5b8>] (ret_from_fork+0x14/0x3c)

[ 73.473769] Code: e280006c eb0a05e0 e1a00006 e8bd81f0 (e7f001f2)

[ 73.479869] ---[ end trace bfef462904b1170c ]---

[ 73.484491] Kernel panic - not syncing: Fatal exception

[ 73.489722] CPU0: stopping

[ 73.492439] CPU: 0 PID: 85 Comm: spi2 Tainted: G D 3.14.28scamp+ #20

[ 73.499684] [<80014e04>] (unwind_backtrace) from [<80011794>] (show_stack+0x10/0x14)

[ 73.507441] [<80011794>] (show_stack) from [<80761b08>] (dump_stack+0x7c/0xbc)

[ 73.514674] [<80761b08>] (dump_stack) from [<80013a70>] (handle_IPI+0x144/0x158)

[ 73.522079] [<80013a70>] (handle_IPI) from [<8000862c>] (gic_handle_irq+0x58/0x5c)

[ 73.529656] [<8000862c>] (gic_handle_irq) from [<800122c0>] (__irq_svc+0x40/0x70)

[ 73.537140] Exception stack(0xa83efe80 to 0xa83efec8)

[ 73.542199] fe80: 0d2aec50 00100100 f6371e00 c0808024 81022848 00015f8f 0d29ac4e a83dd000

[ 73.550381] fea0: a8103a50 00000001 80f51734 0000003c 2a7fb000 a83efec8 802b29c0 802b29c0

[ 73.558560] fec0: a0010013 ffffffff

[ 73.562066] [<800122c0>] (__irq_svc) from [<802b29c0>] (__timer_delay+0x4c/0x5c)

[ 73.569477] [<802b29c0>] (__timer_delay) from [<803f5654>] (spi_bitbang_transfer_one+0xd4/0x244)

[ 73.578274] [<803f5654>] (spi_bitbang_transfer_one) from [<803f395c>] (spi_pump_messages+0x308/0x480)

[ 73.587506] [<803f395c>] (spi_pump_messages) from [<80047c0c>] (kthread_worker_fn+0x4c/0x164)

[ 73.596039] [<80047c0c>] (kthread_worker_fn) from [<80047a90>] (kthread+0xcc/0xe4)

[ 73.603616] [<80047a90>] (kthread) from [<8000e5b8>] (ret_from_fork+0x14/0x3c)

[ 73.610841] CPU3: stopping

[ 73.613557] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 3.14.28scamp+ #20

[ 73.621141] [<80014e04>] (unwind_backtrace) from [<80011794>] (show_stack+0x10/0x14)

[ 73.628894] [<80011794>] (show_stack) from [<80761b08>] (dump_stack+0x7c/0xbc)

[ 73.636124] [<80761b08>] (dump_stack) from [<80013a70>] (handle_IPI+0x144/0x158)

[ 73.643525] [<80013a70>] (handle_IPI) from [<8000862c>] (gic_handle_irq+0x58/0x5c)

[ 73.651101] [<8000862c>] (gic_handle_irq) from [<800122c0>] (__irq_svc+0x40/0x70)

[ 73.658585] Exception stack(0xa80abf50 to 0xa80abf98)

[ 73.663641] bf40: a80abf98 3b9aca00 1c20d0c3 00000011

[ 73.671823] bf60: 80f3c4d4 80f3c488 ab73dfb0 00000001 1c0e8290 00000011 a80aa000 00000000

[ 73.680004] bf80: 00000017 a80abf98 00000009 804c7150 000b0013 ffffffff

[ 73.686636] [<800122c0>] (__irq_svc) from [<804c7150>] (cpuidle_enter_state+0x54/0xe4)

[ 73.694563] [<804c7150>] (cpuidle_enter_state) from [<804c72dc>] (cpuidle_idle_call+0xfc/0x14c)

[ 73.703269] [<804c72dc>] (cpuidle_idle_call) from [<8000f13c>] (arch_cpu_idle+0x8/0x44)

[ 73.711289] [<8000f13c>] (arch_cpu_idle) from [<800672b4>] (cpu_startup_entry+0x100/0x14c)

[ 73.719561] [<800672b4>] (cpu_startup_entry) from [<100086c4>] (0x100086c4)

[ 73.726526] CPU2: stopping

[ 73.729242] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 3.14.28scamp+ #20

[ 73.736827] [<80014e04>] (unwind_backtrace) from [<80011794>] (show_stack+0x10/0x14)

[ 73.744580] [<80011794>] (show_stack) from [<80761b08>] (dump_stack+0x7c/0xbc)

[ 73.751809] [<80761b08>] (dump_stack) from [<80013a70>] (handle_IPI+0x144/0x158)

[ 73.759211] [<80013a70>] (handle_IPI) from [<8000862c>] (gic_handle_irq+0x58/0x5c)

[ 73.766788] [<8000862c>] (gic_handle_irq) from [<800122c0>] (__irq_svc+0x40/0x70)

[ 73.774273] Exception stack(0xa80a9f50 to 0xa80a9f98)

[ 73.779328] 9f40: a80a9f98 3b9aca00 1c20d0c3 00000011

[ 73.787511] 9f60: 80f3c4d4 80f3c488 ab735fb0 00000001 1bf3a25b 00000011 a80a8000 00000000

[ 73.795693] 9f80: 00000017 a80a9f98 00000009 804c7150 00030013 ffffffff

[ 73.802317] [<800122c0>] (__irq_svc) from [<804c7150>] (cpuidle_enter_state+0x54/0xe4)

[ 73.810242] [<804c7150>] (cpuidle_enter_state) from [<804c72dc>] (cpuidle_idle_call+0xfc/0x14c)

[ 73.818948] [<804c72dc>] (cpuidle_idle_call) from [<8000f13c>] (arch_cpu_idle+0x8/0x44)

[ 73.826961] [<8000f13c>] (arch_cpu_idle) from [<800672b4>] (cpu_startup_entry+0x100/0x14c)

[ 73.835231] [<800672b4>] (cpu_startup_entry) from [<100086c4>] (0x100086c4)

[ 73.842198] Rebooting in 10 seconds..

FATAL: term closed

term_exitfunc: reset failed for dev UNKNOWN: Input/output error

The kernel version used is 3.14.28.

Has this bug ever been observed? Is there any new patch in the GPU driver to be included?

Thank you.

Salvatore

Re: iMX6Quad galcore bug

Yuri — Wed, 23 Dec 2015 02:38:34 GMT

Hello,

You may try the recent BSP L3.14.52, where GPU driver is upgraded to Vivante v5.0.11p7.4.

http://www.nxp.com/webapp/Download?colCode=L3.14.52_1.1.0_LINUX_DOCS&Parent_nodeId=1337699481071706174845&Parent_pageTyp…

i.MX 6 Series Software and Development Tool|NXP

Have a great day,
Yuri

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topic iMX6Quad galcore bug in i.MX Processors

iMX6Quad galcore bug

Re: iMX6Quad galcore bug