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[bug report] Edge 820 unexpected firmware crash during activity after upgrade to 11.10

Hello,

Recently I updated firmware from 11.00 to 11.10. I had 3 activities, and in all times the device firmware is crashed. The device did not restarted, it just power off.

Here is error log from the device.

err_log.txt
ParserVersion 3
UnitId: {3942466642}
Product: {Edge 820}
SoftwarePartNumber: {006-B2530-00}
Time: {2019-5-16 11:59:40}
PackageVersion: {}
SystemVersion: {11.10}
PackageName: {RELEASE}
Build_Tag: {RELEASE}
build_type: {RELEASE}
Symbols Error: {Symbols File Not Found}
Backtrace: {
Function Address: 0x0811FEC6
   Call Address at Function: 0x0811FEF4

Function Address: 0x0811FF98
   Call Address at Function: 0x0811FFCA

Function Address: 0x08117AFC
   Call Address at Function: 0x08117BA2

Function Address: 0x08117120
   Call Address at Function: 0x0811715A

Function Address: 0x081BA512
   Call Address at Function: 0x081BA54A

Function Address: 0x082662B0
   Call Address at Function: 0x082663BA

Function Address: 0x08266404
   Call Address at Function: 0x08266416

Function Address: 0x08266554
   Call Address at Function: 0x0826662E

Function Address: 0x0812A7F6
   Call Address at Function: 0x0812A802

}
Assert_Info: {}
RTL_Trap_Info: {
Task ID: 0x710991F0
Task Name: ant_main
Error Number: 0x6E5D8034

Uptime: 1025588
Registers: 
0x0000F000
0x00005921
0x00005920
0x00000000
0x71099080
0x71C1CE78
0x00000000
0x00000000
0x710953F0
0x00000000
0x00000000
0x00000000
0x71099080
0x71099050
0x0811FEED
0x0811FEF4

CPSR: 0x01000000
HFSR: 0x40000000
CFSR: 0x02000000
BFAR: 0xE000ED38
MMFAR: 0xE000ED34
AFSR: 0x00000000
PSP: 0x71098FE8
MSP: 0x20009BA8

Error Message: Hard-fault, r0-15, CPSR, HFSR, CFSR, BFAR, MMFAR, AFSR, PSP, MSP}
Exception_Info: {}
Error_Cause: {1}
PC_SP: {0x00000000,0x00000000}

ParserVersion 3
UnitId: {3942466642}
Product: {Edge 820}
SoftwarePartNumber: {006-B2530-00}
Time: {2019-5-16 21:54:17}
PackageVersion: {}
SystemVersion: {11.10}
PackageName: {RELEASE}
Build_Tag: {RELEASE}
build_type: {RELEASE}
Symbols Error: {Symbols File Not Found}
Backtrace: {
Function Address: 0x0811FEC6
   Call Address at Function: 0x0811FEF4

Function Address: 0x0811FF98
   Call Address at Function: 0x0811FFCA

Function Address: 0x08117AFC
   Call Address at Function: 0x08117BA2

Function Address: 0x08117120
   Call Address at Function: 0x0811715A

Function Address: 0x081BA512
   Call Address at Function: 0x081BA54A

Function Address: 0x082662B0
   Call Address at Function: 0x082663BA

Function Address: 0x08266404
   Call Address at Function: 0x08266416

Function Address: 0x08266554
   Call Address at Function: 0x0826662E

Function Address: 0x0812A7F6
   Call Address at Function: 0x0812A802

}
Assert_Info: {}
RTL_Trap_Info: {
Task ID: 0x710991F0
Task Name: ant_main
Error Number: 0x6E5D8034

Uptime: 621894
Registers: 
0x0000F000
0x00005ADA
0x00005AD9
0x00000000
0x71099080
0x71E7B388
0x00000000
0x00000000
0x710953F0
0x00000000
0x00000000
0x00000000
0x71099080
0x71099050
0x0811FEED
0x0811FEF4

CPSR: 0x01000000
HFSR: 0x40000000
CFSR: 0x02000000
BFAR: 0xE000ED38
MMFAR: 0xE000ED34
AFSR: 0x00000000
PSP: 0x71098FE8
MSP: 0x20009BA8

Error Message: Hard-fault, r0-15, CPSR, HFSR, CFSR, BFAR, MMFAR, AFSR, PSP, MSP}
Exception_Info: {}
Error_Cause: {1}
PC_SP: {0x00000000,0x00000000}

ParserVersion 3
UnitId: {3942466642}
Product: {Edge 820}
SoftwarePartNumber: {006-B2530-00}
Time: {2019-5-17 10:53:41}
PackageVersion: {}
SystemVersion: {11.10}
PackageName: {RELEASE}
Build_Tag: {RELEASE}
build_type: {RELEASE}
Symbols Error: {Symbols File Not Found}
Backtrace: {
Function Address: 0x0811FEC6
   Call Address at Function: 0x0811FEF4

Function Address: 0x0811FF98
   Call Address at Function: 0x0811FFCA

Function Address: 0x08117AFC
   Call Address at Function: 0x08117BA2

Function Address: 0x08117120
   Call Address at Function: 0x0811715A

Function Address: 0x081BA512
   Call Address at Function: 0x081BA54A

Function Address: 0x082662B0
   Call Address at Function: 0x082663BA

Function Address: 0x08266404
   Call Address at Function: 0x08266416

Function Address: 0x08266554
   Call Address at Function: 0x0826662E

Function Address: 0x0812A7F6
   Call Address at Function: 0x0812A802

}
Assert_Info: {}
RTL_Trap_Info: {
Task ID: 0x710991F0
Task Name: ant_main
Error Number: 0x6E5D8034

Uptime: 1420629
Registers: 
0x0000F000
0x00005D31
0x00005D30
0x00000000
0x71099080
0x71BE7B30
0x00000000
0x00000000
0x710953F0
0x00000000
0x00000000
0x00000000
0x71099080
0x71099050
0x0811FEED
0x0811FEF4

CPSR: 0x01000000
HFSR: 0x40000000
CFSR: 0x02000000
BFAR: 0xE000ED38
MMFAR: 0xE000ED34
AFSR: 0x00000000
PSP: 0x71098FE8
MSP: 0x20009BA8

Error Message: Hard-fault, r0-15, CPSR, HFSR, CFSR, BFAR, MMFAR, AFSR, PSP, MSP}
Exception_Info: {}
Error_Cause: {1}
PC_SP: {0x00000000,0x00000000}