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how D20348 breaks amdgpu
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Authored by greg_unrelenting.technology on Wed, Jul 24, 9:06 PM.
drmn0: successfully loaded firmware image with name: amdgpu/polaris10_smc.bin
panic: vm_fault_hold: fault on nofault entry, addr: 0xffff00006d9ff000
cpuid = 2
time = 1564001160
KDB: stack backtrace:
db_trace_self() at db_stack_trace+0xf0
pc = 0xffff000000736168 lr = 0xffff000000100258
sp = 0xffff000075830530 fp = 0xffff000075830560
db_stack_trace() at db_command+0x220
pc = 0xffff000000100258 lr = 0xffff0000000ffee0
sp = 0xffff000075830570 fp = 0xffff000075830650
db_command() at db_command_loop+0x60
pc = 0xffff0000000ffee0 lr = 0xffff0000000ffca4
sp = 0xffff000075830660 fp = 0xffff000075830680
db_command_loop() at db_trap+0xf4
pc = 0xffff0000000ffca4 lr = 0xffff000000102eac
sp = 0xffff000075830690 fp = 0xffff0000758308b0
db_trap() at kdb_trap+0x1cc
pc = 0xffff000000102eac lr = 0xffff000000450140
sp = 0xffff0000758308c0 fp = 0xffff000075830970
kdb_trap() at do_el1h_sync+0xf4
pc = 0xffff000000450140 lr = 0xffff000000751110
sp = 0xffff000075830980 fp = 0xffff0000758309b0
do_el1h_sync() at handle_el1h_sync+0x74
pc = 0xffff000000751110 lr = 0xffff000000738874
sp = 0xffff0000758309c0 fp = 0xffff000075830ad0
handle_el1h_sync() at kdb_enter+0x34
pc = 0xffff000000738874 lr = 0xffff00000044f7dc
sp = 0xffff000075830ae0 fp = 0xffff000075830b70
kdb_enter() at vpanic+0x1a8
pc = 0xffff00000044f7dc lr = 0xffff000000405314
sp = 0xffff000075830b80 fp = 0xffff000075830c30
vpanic() at panic+0x44
pc = 0xffff000000405314 lr = 0xffff000000405168
sp = 0xffff000075830c40 fp = 0xffff000075830cc0
panic() at vm_fault_hold+0x21b8
pc = 0xffff000000405168 lr = 0xffff0000006d7a00
sp = 0xffff000075830cd0 fp = 0xffff000075830e40
vm_fault_hold() at vm_fault+0x60
pc = 0xffff0000006d7a00 lr = 0xffff0000006d57f0
sp = 0xffff000075830e50 fp = 0xffff000075830e80
vm_fault() at data_abort+0xf4
pc = 0xffff0000006d57f0 lr = 0xffff00000075133c
sp = 0xffff000075830e90 fp = 0xffff000075830f40
data_abort() at do_el1h_sync+0x128
pc = 0xffff00000075133c lr = 0xffff000000751144
sp = 0xffff000075830f50 fp = 0xffff000075830f80
do_el1h_sync() at handle_el1h_sync+0x74
pc = 0xffff000000751144 lr = 0xffff000000738874
sp = 0xffff000075830f90 fp = 0xffff0000758310a0
handle_el1h_sync() at gfx_v8_0_kiq_resume+0x290
pc = 0xffff000000738874 lr = 0xffff000075aba7f0
sp = 0xffff0000758310b0 fp = 0xffff0000758311a0
gfx_v8_0_kiq_resume() at gfx_v8_0_hw_init+0x1cc0
pc = 0xffff000075aba7f0 lr = 0xffff000075ab39d8
sp = 0xffff0000758311b0 fp = 0xffff000075831250
gfx_v8_0_hw_init() at amdgpu_device_init+0x17e8
pc = 0xffff000075ab39d8 lr = 0xffff000075a3b694
sp = 0xffff000075831260 fp = 0xffff000075831310
amdgpu_device_init() at amdgpu_driver_load_kms+0xe4
pc = 0xffff000075a3b694 lr = 0xffff000075a4faa4
sp = 0xffff000075831320 fp = 0xffff000075831340
amdgpu_driver_load_kms() at drm_dev_register+0x180
pc = 0xffff000075a4faa4 lr = 0xffff000075c7cdbc
sp = 0xffff000075831350 fp = 0xffff000075831380
drm_dev_register() at amdgpu_pci_probe+0x1cc
pc = 0xffff000075c7cdbc lr = 0xffff000075a43f6c
sp = 0xffff000075831390 fp = 0xffff0000758313d0
amdgpu_pci_probe() at linux_pci_attach+0x498
pc = 0xffff000075a43f6c lr = 0xffff000075cfc98c
sp = 0xffff0000758313e0 fp = 0xffff000075831470
linux_pci_attach() at device_attach+0x3ec
pc = 0xffff000075cfc98c lr = 0xffff00000043ddc4
sp = 0xffff000075831480 fp = 0xffff0000758314d0
device_attach() at bus_generic_driver_added+0xb0
pc = 0xffff00000043ddc4 lr = 0xffff00000043faa4
sp = 0xffff0000758314e0 fp = 0xffff000075831500
bus_generic_driver_added() at devclass_driver_added+0x80
pc = 0xffff00000043faa4 lr = 0xffff00000043b948
sp = 0xffff000075831510 fp = 0xffff000075831540
devclass_driver_added() at devclass_add_driver+0x128
pc = 0xffff00000043b948 lr = 0xffff00000043b870
sp = 0xffff000075831550 fp = 0xffff000075831580
devclass_add_driver() at _linux_pci_register_driver+0x114
pc = 0xffff00000043b870 lr = 0xffff000075cfb1b8
sp = 0xffff000075831590 fp = 0xffff0000758315b0
_linux_pci_register_driver() at amdgpu_evh+0xa8
pc = 0xffff000075cfb1b8 lr = 0xffff000075a43d60
sp = 0xffff0000758315c0 fp = 0xffff0000758315c0
amdgpu_evh() at module_register_init+0xb0
pc = 0xffff000075a43d60 lr = 0xffff0000003e3a50
sp = 0xffff0000758315d0 fp = 0xffff000075831600
module_register_init() at linker_load_module+0xa14
pc = 0xffff0000003e3a50 lr = 0xffff0000003d5d68
sp = 0xffff000075831610 fp = 0xffff000075831950
linker_load_module() at kern_kldload+0xd4
pc = 0xffff0000003d5d68 lr = 0xffff0000003d7700
sp = 0xffff000075831960 fp = 0xffff000075831990
kern_kldload() at sys_kldload+0x64
pc = 0xffff0000003d7700 lr = 0xffff0000003d7858
sp = 0xffff0000758319a0 fp = 0xffff0000758319c0
sys_kldload() at do_el0_sync+0x564
pc = 0xffff0000003d7858 lr = 0xffff0000007519f0
sp = 0xffff0000758319d0 fp = 0xffff000075831a70
do_el0_sync() at handle_el0_sync+0x84
pc = 0xffff0000007519f0 lr = 0xffff000000738a00
sp = 0xffff000075831a80 fp = 0xffff000075831b90
handle_el0_sync() at 0x210330
pc = 0xffff000000738a00 lr = 0x0000000000210330
sp = 0xffff000075831ba0 fp = 0x0000ffffffffec30