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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2022/06/07 08:58:59 UTC
[GitHub] [incubator-nuttx] masayuki2009 commented on pull request #6377: sched/tls: Shouldn't get tls info directly from sp in kernel space
masayuki2009 commented on PR #6377:
URL: https://github.com/apache/incubator-nuttx/pull/6377#issuecomment-1148393745
@xiaoxiang781216
I tried this PR with rv-virt:knsh64, but it failed.
The issue also happened with sabre-6quad:knsh.
```
$ qemu-system-riscv64 -semihosting -nographic -cpu rv64 -smp 8 -M virt -bios none -kernel ./nuttx
ABC[ 0.000000] up_assert: Assertion failed at file:init/nx_bringup.c line: 297 task: Idle Task
[ 0.000000] up_assert: Assertion failed at file:common/riscv_swint.c line: 189 task: Idle Task
[ 0.000000] riscv_registerdump: EPC: 0000000080007202
[ 0.000000] riscv_registerdump: A0: 0000000000000000 A1: 0000000000000000 A2: 0000000010000000 A3: 0000000000000001
[ 0.000000] riscv_registerdump: A4: 0000000000000001 A5: 0000000000000000 A6: 0000000000000074 A7: 000000000000006a
[ 0.000000] riscv_registerdump: T0: 00000000000001ff T1: 000000000000006c T2: 000000000000002d T3: 0000000000000068
[ 0.000000] riscv_registerdump: T4: 0000000000000009 T5: 000000000000002a T6: 000000000000002e
[ 0.000000] riscv_registerdump: S0: 0000000080200928 S1: 0000000080206b30 S2: 0000000080200928 S3: 0000000080200918
[ 0.000000] riscv_registerdump: S4: 0000000080201050 S5: 0000000000000000 S6: 0000000000000000 S7: 0000000000000000
[ 0.000000] riscv_registerdump: S8: 0000000000000000 S9: 0000000000000000 S10: 0000000000000000 S11: 0000000000000000
[ 0.000000] riscv_registerdump: SP: 0000000080206b20 FP: 0000000080200928 TP: 0000000000000000 RA: 0000000080007202
[ 0.000000] riscv_dumpstate: sp: 0000000080200850
[ 0.000000] riscv_dumpstate: IRQ stack:
[ 0.000000] riscv_dumpstate: base: 00000000802000f0
[ 0.000000] riscv_dumpstate: size: 0000000000000800
[ 0.000000] riscv_stackdump: 0000000080200840: 802000f0 00000000 80006ce0 00000000 000000bd 00000000 80015160 00000000
[ 0.000000] riscv_stackdump: 0000000080200860: deadbeef deadbeef 00000000 00000000 80201050 00000000 80200918 00000000
[ 0.000000] riscv_stackdump: 0000000080200880: 80201050 00000000 80206a18 00000000 80206a18 00000000 800043ac 00000000
[ 0.000000] riscv_stackdump: 00000000802008a0: deadbeef deadbeef 800015f6 00000000 80200928 00000000 80201050 00000000
[ 0.000000] riscv_stackdump: 00000000802008c0: 80206a18 00000000 80001812 00000000 deadbeef deadbeef 00000100 00000000
[ 0.000000] riscv_dumpstate: sp: 0000000080206b20
[ 0.000000] riscv_dumpstate: User stack:
[ 0.000000] riscv_dumpstate: base: 0000000080206030
[ 0.000000] riscv_dumpstate: size: 0000000000000bd0
[ 0.000000] riscv_dumpstate: User Stack
[ 0.000000] riscv_stackdump: 0000000080206b20: 00000000 00000000 80006e74 00000000 00000129 00000000 800152a8 00000000
[ 0.000000] riscv_stackdump: 0000000080206b40: 00000000 00000000 00000000 00000000 00000000 00000000 80200918 00000000
[ 0.000000] riscv_stackdump: 0000000080206b60: 80201064 00000000 80201068 00000000 80200928 00000000 800043ac 00000000
[ 0.000000] riscv_stackdump: 0000000080206b80: 80200928 00000000 80001b48 00000000 80200928 00000000 80016400 00000000
[ 0.000000] riscv_stackdump: 0000000080206ba0: 80200928 00000000 80001a94 00000000 80400000 00000000 00400000 00000000
[ 0.000000] riscv_stackdump: 0000000080206bc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.000000] riscv_stackdump: 0000000080206be0: 00000000 00000000 80000d72 00000000 00000000 00000000 80000046 00000000
[ 0.000000] riscv_showtasks: PID PRI USED STACK FILLED COMMAND
[ 0.000000] riscv_showtasks: ---- ---- 744 2048 36.3% irq
[ 0.000000] riscv_dump_task: 0 0 1328 3024 43.9% Idle Task
```
If I enable debug messages, it seems that the symbol `tls_get_info` was not found.
```
[ 0.000000] elf_symvalue: SHN_UNDEF: Exported symbol "tls_get_info" not found
[ 0.000000] elf_relocateadd: Section 2 reloc 4815: Failed to get value of symbol[38794]: -2
[ 0.000000] elf_loadbinary: Failed to bind symbols program binary: -2
[ 0.000000] exec_spawn: ERROR: Failed to load program '/system/bin/init': -2
[ 0.000000] up_assert: Assertion failed at file:init/nx_bringup.c line: 297 task: Idle Task
[ 0.000000] up_assert: Assertion failed at file:common/riscv_swint.c line: 189 task: Idle Task
```
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