串口会打印出fence timeout、Mali ERR等问题，请问可能是什么原因呢

thankxie

[64725.176978] fence timeout on [ddcf8680] after 3000ms
[64725.178699] objs:
[64725.178699] --------------
[64725.178699] fb-timeline sw_sync: 58809
[64725.178699]   pt signaled@17.271368: 206
[64725.178699]   pt signaled@19.987028: 256
[64725.178699]   pt signaled@22.163011: 269
[64725.178699]   pt signaled@22.371897: 279
[64725.178699]   pt signaled@23.903803: 281
[64725.178699]   pt signaled@24.008713: 282
[64725.178699]   pt signaled@65765.233254: 58809
[64725.179388]   pt active: 58810

mali-126-gp Mali

mali-126-pp Mali
  pt signaled@23.799676: 51
  pt signaled@23.888409: 52
  pt signaled@23.888671: 52

mali-126-soft Mali

mali-always-signaled Mali
  pt signaled@19.933653: 0
  pt signaled@19.948903: 0
  pt signaled@19.961754: 0
  pt signaled@65761.214521: 0
  pt signaled@65762.223262: 0
  pt signaled@65763.232178: 0
  pt signaled@65764.224474: 0

mali-802-gp Mali

mali-802-pp Mali

mali-802-soft Mali

mali-always-signaled Mali

mali-532-gp Mali

mali-532-pp Mali
  pt signaled@17.247922: 3
  pt signaled@19.933654: 179
  pt signaled@19.948105: 185
  pt signaled@19.948903: 181
  pt signaled@19.961754: 183
  pt signaled@65761.214524: 58718
  pt signaled@65762.223264: 58719
  pt signaled@65763.232179: 58720
  pt active: 58722
[64725.180113]   pt signaled@65764.224475: 58721
[64725.180113]   pt active: 58723
[64725.180113]
[64725.180113] mali-532-soft Mali
[64725.180113]
[64725.180113] mali-always-signaled Mali
[64725.180113]
[64725.180113] mali-1424-gp Mali
[64725.180113]
[64725.180113] mali-1424-pp Mali
[64725.180113]   pt signaled@22.142819: 1
[64725.180113]
[64725.180113] mali-1424-soft Mali
[64725.180113]
[64725.180113] mali-always-signaled Mali
[64725.180113]
[64725.180113] fences:
[64725.180113] --------------
[64725.180113] [dd0e6800] ret_fence: signaled
  fb-timeline_pt signaled@17.271368: 206 / 58809

[dd0e6b00] mali_flag_fence: signaled
  mali-532-pp_pt signaled@17.247922: 3

[d4292b80] NavigationBar:3: signaled
  mali-always-signaled_pt signaled@19.933653: 0
  mali-532-pp_pt signaled@19.933654: 179

[d4350d00] mali_flag_fence: signaled
  mali-532-pp_pt signaled@19.948105: 185

[dd4a7900] NavigationBar:0: signaled
  mali-always-signaled_pt signaled@19.948903: 0
  mali-532-pp_pt signaled@19.948903: 181

[dd4a7480] ret_fence: signaled
  fb-timeline_pt signaled@19.987028: 256 / 58809

[dd4a7b00] NavigationBar:1: signaled
  mali-always-signaled_pt signaled@19.961754: 0
  mali-532-pp_pt signaled@19.961754: 183

[cfa31f00] ret_fence: signaled
  fb-timeline_pt signaled@22.163011: 269 / 58809

[dcf71980] mali_flag_fence: signaled
[64725.181790]   mali-1424-pp_pt signaled@22.142819: 1
[64725.181790]
[64725.181790] [dcba8c80] ret_fence: signaled
[64725.181790]   fb-timeline_pt signaled@22.371897: 279 / 58809
[64725.181790]
[64725.181790] [cfa31500] FramebufferSurface:0: signaled
[64725.181790]   fb-timeline_pt signaled@23.903803: 281 / 58809
[64725.181790]   mali-126-pp_pt signaled@23.799676: 51

[cf14f200] mali_flag_fence: signaled
  mali-126-pp_pt signaled@23.888409: 52

[cf14fa00] FramebufferSurface:1: signaled
  fb-timeline_pt signaled@24.008713: 282 / 58809
  mali-126-pp_pt signaled@23.888671: 52

[d4191d80] StatusBar:3: signaled
  mali-always-signaled_pt signaled@65761.214521: 0
  mali-532-pp_pt signaled@65761.214524: 58718

[dc86e900] StatusBar:0: signaled
  mali-always-signaled_pt signaled@65762.223262: 0
  mali-532-pp_pt signaled@65762.223264: 58719

[dd599200] StatusBar:1: signaled
  mali-always-signaled_pt signaled@65763.232178: 0
  mali-532-pp_pt signaled@65763.232179: 58720

[cf073c80] ret_fence: signaled
  fb-timeline_pt signaled@65765.233254: 58809 / 58809

[ddcf8680] mali_flag_fence: active
  mali-532-pp_pt active: 58722
[64725.182705]
[64725.182705] [dcb73b80] StatusBar:2: signaled
[64725.182705]   mali-always-signaled_pt signaled@65764.224474: 0
[64725.182705]   mali-532-pp_pt signaled@65764.224475: 58721
[64725.182705]
[64725.182705] [dcb73280] ret_fence: active
[64725.182705]   fb-timeline_pt active: 58810 / 58809
[64725.182705]
[64725.182705] [d4191900] mali_flag_fence: active
[64725.182705]   mali-532-pp_pt active: 58723
[64725.183085]
[64770.156131] healthd: battery l=50 v=3 t=2.6 h=2 st=3 chg=au
[64771.671058] Mali: Executor PP: Job 117945 Timeout on Mali_PP1
[64771.671768] Mali: ERR: drivers/gpu/arm/mali400/mali/common/mali_pp.c
[64771.671830]            mali_pp_hard_reset() 228
           Mali PP: The hard reset loop didn't work, unable to recover
[64771.671915]
[64771.672230] Mali: ERR: drivers/gpu/arm/mali400/mali/common/mali_mmu.c
[64771.672290]            mali_mmu_raw_reset() 279
           Reset request failed, MMU status is 0xFFFFFFFF