show_regs vs dump_stack in watchdog_timer_fn
mulyadi.santosa at gmail.com
Thu Jun 2 18:43:49 EDT 2011
On Thu, Jun 2, 2011 at 21:15, Daniel Baluta <daniel.baluta at gmail.com> wrote:
> Why the stack isn't always dumped in watchdog_timer_fn ()?
> Registers content is useful, but without a stack trace it's very
> hard to find the task which caused system softlockup.
AFAIK, because there's no guarantee stack frame content can be trusted
as such time...i.e could be corrupted...
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