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Edge 520 plus shuts down unexpectedly during a ride (Bad memory lock count).

Hi,

My Edge 520+ shuts down unexpectedly during a ride. Then I can start it and works fine and continues the tracking.

This is the error log:

ParserVersion 3
UnitId: {3971098931}
Product: {Edge 520 Plus}
SoftwarePartNumber: {006-B3112-00}
Time: {2019-8-7 18:41:55}
PackageVersion: {}
SystemVersion: {4.20}
PackageName: {RELEASE}
Build_Tag: {RELEASE}
build_type: {RELEASE}
Backtrace: {}
Assert_Info: {}
RTL_Trap_Info: {}
Exception_Info: {
Task ID: 0x00000000
Task Name:
Uptime:
0
Registers:
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000

CPSR: 00000000}
Error_Cause: {2}
PC_SP: {0x00000000,0x00000000}

ParserVersion 3
UnitId: {3971098931}
Product: {Edge 520 Plus}
SoftwarePartNumber: {006-B3112-00}
Time: {2019-8-15 12:24:45}
PackageVersion: {}
SystemVersion: {4.20}
PackageName: {RELEASE}
Build_Tag: {RELEASE}
build_type: {RELEASE}
Symbols Error: {Symbols File Not Found}
Backtrace: {
Function Address: 0x0800309E
Call Address at Function: 0x080030D6

Function Address: 0x082C40C0
Call Address at Function: 0x082C4104

Function Address: 0x08183044
Call Address at Function: 0x08183078

Function Address: 0x081B4916
Call Address at Function: 0x081B4920

Function Address: 0x081B4962
Call Address at Function: 0x081B498A

Function Address: 0x081656EA
Call Address at Function: 0x08165722

Function Address: 0x0826C0C4
Call Address at Function: 0x0826C1CE

Function Address: 0x0826C218
Call Address at Function: 0x0826C22A

Function Address: 0x0826C368
Call Address at Function: 0x0826C442

Function Address: 0x081AE3A6
Call Address at Function: 0x081AE3B2

}
Assert_Info: {}
RTL_Trap_Info: {
Task ID: 0x71098C30
Task Name: ant_main
Error Number: 0x6E5D800A

Uptime: 16352676
Registers:
0x71098C30
0x0000014F
0x0000007E
0x0000007F
0x08183079
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000

CPSR: 0x00000000
HFSR: 0x00000000
CFSR: 0x00000000
BFAR: 0x00000000
MMFAR: 0x00000000
AFSR: 0x00000000
PSP: 0x00000000
MSP: 0x00000000

Error Message: Bad memory lock count, r0=task ID, r1=handle, r2=oldcnt, r3=newcnt, r4=rtrn}
Exception_Info: {}
Error_Cause: {1}
PC_SP: {0x00000000,0x00000000}

  • Did you get any answers? I'm having same issue.

    Hi - My Edge 520 shutdown unexpectedly while riding this morning (2021-5-10 7:9:44}). Looks like the same error occurred 2021-1-17 10:17:9. I have attached the error log. Can you advise how to avoid this problem reoccurring. Thanks Paul

    ParserVersion 3
    UnitId: {3951008603}
    Product: {Edge 520}
    SoftwarePartNumber: {006-B2067-00}
    Time: {2021-1-17 10:17:9}
    PackageVersion: {}
    SystemVersion: {13.20}
    PackageName: {RELEASE}
    Build_Tag: {RELEASE}
    build_type: {RELEASE}
    Symbols Error: {Symbols File Not Found}
    Backtrace: {
    Function Address: 0x0825F1DE
    Call Address at Function: 0x0825F4F6

    Function Address: 0x0825F78C
    Call Address at Function: 0x0825F7D4

    Function Address: 0x08481788
    Call Address at Function: 0x0848189C

    Function Address: 0x08438C74
    Call Address at Function: 0x08438E9E

    Function Address: 0x0825201C
    Call Address at Function: 0x0825210A

    Function Address: 0x082521F2
    Call Address at Function: 0x082521FC

    Function Address: 0x083589A8
    Call Address at Function: 0x083589F0

    Function Address: 0x08078EF0
    Call Address at Function: 0x08079050

    Function Address: 0x08079140
    Call Address at Function: 0x0807917E

    Function Address: 0x080791EA
    Call Address at Function: 0x08079244

    Function Address: 0x08079262
    Call Address at Function: 0x080792AE

    }
    Assert_Info: {}
    RTL_Trap_Info: {
    Task ID: 0x71018350
    Task Name: CDP main
    Error Number: 0x6E5D8036

    Uptime: 7863130
    Registers:
    0x00000000
    0x00000008
    0x00000000
    0x44CD82CC
    0x70FFBF42
    0x00001147
    0x71013AC4
    0x00000000
    0x00000000
    0x000000B1
    0xA4C7CDDA
    0x44CD82CC
    0x00002C96
    0x710180E0
    0x080B0583
    0x0825F4F6

    CPSR: 0x21000000
    HFSR: 0x00000000
    CFSR: 0x00008200
    BFAR: 0xA4C7CDDA
    MMFAR: 0xA4C7CDDA
    AFSR: 0x00000000
    PSP: 0x71018078
    MSP: 0x200007F8

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

    ParserVersion 3
    UnitId: {3951008603}
    Product: {Edge 520}
    SoftwarePartNumber: {006-B2067-00}
    Time: {2021-5-10 7:9:44}
    PackageVersion: {}
    SystemVersion: {13.20}
    PackageName: {RELEASE}
    Build_Tag: {RELEASE}
    build_type: {RELEASE}
    Symbols Error: {Symbols File Not Found}
    Backtrace: {
    Function Address: 0x080567CA
    Call Address at Function: 0x080567DE

    Function Address: 0x08078EF0
    Call Address at Function: 0x08079054

    Function Address: 0x08079140
    Call Address at Function: 0x0807917E

    Function Address: 0x080791EA
    Call Address at Function: 0x08079244

    Function Address: 0x08079262
    Call Address at Function: 0x080792AE

    }
    Assert_Info: {}
    RTL_Trap_Info: {
    Task ID: 0x71018350
    Task Name: CDP main
    Error Number: 0x6E5D8036

    Uptime: 1883389
    Registers:
    0x4A577BAC
    0x00000000
    0x7101A154
    0x710181D4
    0x70E8B669
    0x00000002
    0x70E8B678
    0x71013B2C
    0x00000000
    0x70E8EBC4
    0x00000001
    0xFFFFFFFF
    0x084F13B8
    0x71018258
    0x0826BC13
    0x080567DE

    CPSR: 0x61000000
    HFSR: 0x00000000
    CFSR: 0x00008200
    BFAR: 0x4A577BB0
    MMFAR: 0x4A577BB0
    AFSR: 0x00000000
    PSP: 0x710181F0
    MSP: 0x200007F8

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