[GitHub] [incubator-nuttx] normanr commented on pull request #5210: arch/risc-v: Refine exception_common

[GitBox <gi...@apache.org>]

normanr commented on pull request #5210:
URL: https://github.com/apache/incubator-nuttx/pull/5210#issuecomment-1014056001


   commit c6749fd6fd3e15bd65ab25a7de05a6a0abdb6bd5 causes my bl602 board to fail to start with `irq_unexpected_isr: ERROR irq: 2`. The backtrace isn't really helpful because it's so early in startup so there's only the idle and irq threads.
   
   ```
   [    0.000000] [ 0] [<0x2302092a>] sched_dumpstack+0x34/0x8a
   [    0.000000] [ 0] [<0x2301cafa>] nxsched_foreach+0x5a/0x5e
   [    0.000000] [ 0] [<0x23007c4c>] up_assert+0x352/0x402
   [    0.000000] [ 0] [<0x23004f32>] _assert+0x10/0x1a
   [    0.000000] [ 0] [<0x23001f38>] sched_lock+0/0x34
   [    0.000000] [ 0] [<0x23001ed6>] irq_dispatch+0x26/0x4a
   [    0.000000] [ 0] [<0x23000d8e>] riscv_dispatch_irq+0x38/0x6c
   [    0.000000] [ 0] [<0x23000d06>] exception_common+0x78/0xc8
   [    0.000000] [ 0] [<0x413bed1e>] __init_array_end+0x1e3347e2/0
   ```


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