Re: [Crash-utility] [PATCH] Fix x86 initialization for {hard, soft}irq_ctx
Dave Anderson <anderson(a)redhat.com> writes:
Actually, it supposed to be the function that was running on the
process stack
prior to the transition to the IRQ stack. So it should be "handle_irq" here
in arch/x86/kernel/irq_32.c:
I see.
[...]
> crash> bt
> PID: 0 TASK: c1da8b00 CPU: 0 COMMAND: "swapper/0"
> #0 [c1da1f60] __schedule at c19fe305
> #1 [c1da1fa0] schedule at c19febb3
> #2 [c1da1fac] schedule_preempt_disabled at c19ff0a2
> #3 [c1da1fb4] cpu_startup_entry at c10a9580
> crash> bt 45
> PID: 45 TASK: f57d3a00 CPU: 3 COMMAND: "kworker/3:1"
> bt: cannot resolve stack trace:
> bt: Task in user space -- no backtrace
>
> In above case, looks like failed to detect panic cpu, and "bt 45" also
> not working.
crash> bt 45
PID: 45 TASK: f57d3a00 CPU: 3 COMMAND: "kworker/3:1"
bt: cannot resolve stack trace:
bt: Task in user space -- no backtrace
[...]
> crash> bt
> PID: 31 TASK: f505e080 CPU: 1 COMMAND: "kworker/1:1"
> #0 [f5a73de8] die at c101dc04
> #1 [f5a73dfc] notify_die at c10809fc
> #2 [f5a73e24] do_error_trap at c101ab1c
> #3 [f5a73ec4] do_invalid_op at c101b2cf
> #4 [f5a73ed4] error_code (via invalid_op) at c1a060fd
> EAX: f505e080 EBX: f3da0000 ECX: 00000041 EDX: 0000c06a EBP: f5a73f28
> DS: 007b ESI: f3da154c ES: 007b EDI: 00000000 GS: ffffb2b0
> CS: 0060 EIP: c172b046 ERR: ffffffff EFLAGS: 00210006
> #5 [f5a73f08] __ata_sff_port_intr at c172b046
> #6 [f5a73f2c] ata_bmdma_port_intr at c172b333
> #7 [f5a73f50] ata_bmdma_interrupt at c172b576
> #8 [f5a73f84] __handle_irq_event_percpu at c10cf376
> #9 [f5a73fc0] handle_irq_event_percpu at c10cf7c9
> #10 [f5a73fd4] handle_irq_event at c10cf829
> #11 [f5a73fe8] handle_edge_irq at c10d2958
> --- <hard IRQ> ---
> bt: cannot resolve stack trace:
> bt: text symbols on stack:
crash> bt
PID: 31 TASK: f505e080 CPU: 1 COMMAND: "kworker/1:1"
#0 [f5a73de8] die at c101dc04
#1 [f5a73dfc] notify_die at c10809fc
#2 [f5a73e24] do_error_trap at c101ab1c
#3 [f5a73ec4] do_invalid_op at c101b2cf
#4 [f5a73ed4] error_code (via invalid_op) at c1a060fd
EAX: f505e080 EBX: f3da0000 ECX: 00000041 EDX: 0000c06a EBP: f5a73f28
DS: 007b ESI: f3da154c ES: 007b EDI: 00000000 GS: ffffb2b0
CS: 0060 EIP: c172b046 ERR: ffffffff EFLAGS: 00210006
#5 [f5a73f08] __ata_sff_port_intr at c172b046
#6 [f5a73f2c] ata_bmdma_port_intr at c172b333
#7 [f5a73f50] ata_bmdma_interrupt at c172b576
#8 [f5a73f84] __handle_irq_event_percpu at c10cf376
#9 [f5a73fc0] handle_irq_event_percpu at c10cf7c9
#10 [f5a73fd4] handle_irq_event at c10cf829
#11 [f5a73fe8] handle_edge_irq at c10d2958
--- <hard IRQ> ---
bt: cannot resolve stack trace:
bt: text symbols on stack:
OK thanks. Please send patches as required.
Like above, bt is still not working yet though. Attached the patch to fix typo.
Thanks.
--
OGAWA Hirofumi <hirofumi(a)mail.parknet.co.jp>
Attachments:
- p1-handle_IRQ-typo.patch (text/x-diff — 1014 bytes)