Raspberry Pi Pico Panic in rot service ipc #3183
Description
The panic seems to be related to the rot13_callback. If the whole function is commented, there is no panic. If only its last line is commented, it panics.
␀RP2040 Revision 1 ASIC
Initia
panicked at 'Process org.tockos.examples.rot13 had a fault', kernel/src/process_standard.rs:333:17
Kernel version tock-registers-v0.8-33-ge24d4c9df
---| No debug queue found. You can set it with the DebugQueue component.
---| Cortex-M Fault Status |---
No Cortex-M faults detected.
---| App Status |---
𝐀𝐩𝐩: org.tockos.examples.rot13 - [Faulted]
Events Queued: 0 Syscall Count: 8 Dropped Upcall Count: 0
Restart Count: 0
Last Syscall: Yield { which: 1, address: 0x0 }
Completion Code: None
╔═══════════╤══════════════════════════════════════════╗
║ Address │ Region Name Used | Allocated (bytes) ║
╚0x20006000═╪══════════════════════════════════════════╝
│ Grant Ptrs 56
│ Upcalls 360
│ Process 880
0x20005AF0 ┼───────────────────────────────────────────
│ ▼ Grant 76
0x20005AA4 ┼───────────────────────────────────────────
│ Unused
0x200049F4 ┼───────────────────────────────────────────
│ ▲ Heap 0 | 4272 S
0x200049F4 ┼─────────────────────────────────────────── R
│ Data 500 | 500 A
0x20004800 ┼─────────────────────────────────────────── M
│ ▼ Stack 184 | 2048
0x20004748 ┼───────────────────────────────────────────
│ Unused
0x20004000 ┴───────────────────────────────────────────
.....
0x10020800 ┬─────────────────────────────────────────── F
│ App Flash 1976 L
0x10020048 ┼─────────────────────────────────────────── A
│ Protected 72 S
0x10020000 ┴─────────────────────────────────────────── H
R0 : 0x00010000 R6 : 0x00000000
R1 : 0x00000003 R7 : 0x00000000
R2 : 0x00000001 R8 : 0x200047A8
R3 : 0x00000000 R10: 0x0000000C
R4 : 0x00000000 R11: 0x0000001A
R5 : 0x20004800 R12: 0x0000000A
R9 : 0x00000001 (Static Base Register)
SP : 0x20004778 (Process Stack Pointer)
LR : 0x1002026F
PC : 0x100203A2
YPC : 0x1002035A
APSR: N 0 Z 0 C 0 V 0 Q 0
GE 0 0 0 0
EPSR: ICI.IT 0x00
ThumbBit true
Total number of grant regions defined: 7
Grant 0 : -- Grant 3 : -- Grant 6 0x10000: 0x20005aa4
Grant 1 : -- Grant 4 : --
Grant 2 : -- Grant 5 : --
Cortex-M MPU
Region 0: [0x20004000:0x20006000], length: 8192 bytes; ReadWrite (0x3)
Sub-region 0: [0x20004000:0x20004400], Enabled
Sub-region 1: [0x20004400:0x20004800], Enabled
Sub-region 2: [0x20004800:0x20004C00], Enabled
Sub-region 3: [0x20004C00:0x20005000], Disabled
Sub-region 4: [0x20005000:0x20005400], Disabled
Sub-region 5: [0x20005400:0x20005800], Disabled
Sub-region 6: [0x20005800:0x20005C00], Disabled
Sub-region 7: [0x20005C00:0x20006000], Disabled
Region 1: [0x10020000:0x10020800], length: 2048 bytes; UnprivilegedReadOnly (0x2)
Sub-region 0: [0x10020000:0x10020100], Enabled
Sub-region 1: [0x10020100:0x10020200], Enabled
Sub-region 2: [0x10020200:0x10020300], Enabled
Sub-region 3: [0x10020300:0x10020400], Enabled
Sub-region 4: [0x10020400:0x10020500], Enabled
Sub-region 5: [0x10020500:0x10020600], Enabled
Sub-region 6: [0x10020600:0x10020700], Enabled
Sub-region 7: [0x10020700:0x10020800], Enabled
Region 2: Unused
Region 3: Unused
Region 4: Unused
Region 5: Unused
Region 6: Unused
Region 7: Unused
To debug, run `make debug RAM_START=0x20004000 FLASH_INIT=0x10020071`
in the app's folder and open the .lst file.
𝐀𝐩𝐩: rot13_client - [Yielded]
Events Queued: 0 Syscall Count: 10 Dropped Upcall Count: 0
Restart Count: 0
Last Syscall: Yield { which: 1, address: 0x0 }
Completion Code: None
╔═══════════╤══════════════════════════════════════════╗
║ Address │ Region Name Used | Allocated (bytes) ║
╚0x20008000═╪══════════════════════════════════════════╝
│ Grant Ptrs 56
│ Upcalls 360
│ Process 880
0x20007AF0 ┼───────────────────────────────────────────
│ ▼ Grant 76
0x20007AA4 ┼───────────────────────────────────────────
│ Unused
0x20006AE8 ┼───────────────────────────────────────────
│ ▲ Heap 0 | 4028 S
0x20006AE8 ┼─────────────────────────────────────────── R
│ Data 744 | 744 A
0x20006800 ┼─────────────────────────────────────────── M
│ ▼ Stack 152 | 2048
0x20006768 ┼───────────────────────────────────────────
│ Unused
0x20006000 ┴───────────────────────────────────────────
.....
0x10022800 ┬─────────────────────────────────────────── F
│ App Flash 8136 L
0x10020838 ┼─────────────────────────────────────────── A
│ Protected 56 S
0x10020800 ┴─────────────────────────────────────────── H
R0 : 0x00000001 R6 : 0x00000000
R1 : 0x00000000 R7 : 0x00000000
R2 : 0x00000000 R8 : 0x10020838
R3 : 0x20006800 R10: 0x1002251C
R4 : 0x00000000 R11: 0x80000000
R5 : 0x20006800 R12: 0xE9696B39
R9 : 0x20006000 (Static Base Register)
SP : 0x200067C0 (Process Stack Pointer)
LR : 0x20006800
PC : 0x10020DA2
YPC : 0x10020DA2
APSR: N 0 Z 0 C 1 V 0 Q 0
GE 0 0 0 0
EPSR: ICI.IT 0x00
ThumbBit true
Total number of grant regions defined: 7
Grant 0 : -- Grant 3 : -- Grant 6 0x10000: 0x20007aa4
Grant 1 : -- Grant 4 : --
Grant 2 : -- Grant 5 : --
Cortex-M MPU
Region 0: [0x20006000:0x20008000], length: 8192 bytes; ReadWrite (0x3)
Sub-region 0: [0x20006000:0x20006400], Enabled
Sub-region 1: [0x20006400:0x20006800], Enabled
Sub-region 2: [0x20006800:0x20006C00], Enabled
Sub-region 3: [0x20006C00:0x20007000], Disabled
Sub-region 4: [0x20007000:0x20007400], Disabled
Sub-region 5: [0x20007400:0x20007800], Disabled
Sub-region 6: [0x20007800:0x20007C00], Disabled
Sub-region 7: [0x20007C00:0x20008000], Disabled
Region 1: [0x10020800:0x10022800], length: 8192 bytes; UnprivilegedReadOnly (0x2)
Sub-region 0: [0x10020800:0x10020C00], Disabled
Sub-region 1: [0x10020C00:0x10021000], Enabled
Sub-region 2: [0x10021000:0x10021400], Enabled
Sub-region 3: [0x10021400:0x10021800], Enabled
Sub-region 4: [0x10021800:0x10021C00], Enabled
Sub-region 5: [0x10021C00:0x10022000], Disabled
Sub-region 6: [0x10022000:0x10022400], Disabled
Sub-region 7: [0x10022400:0x10022800], Disabled
Region 2: Unused
Region 3: Unused
Region 4: Unused
Region 5: Unused
Region 6: Unused
Region 7: Unused
To debug, run `make debug RAM_START=0x20006000 FLASH_INIT=0x10020861`
in the app's folder and open the .lst file.