Re: show_regs vs dump_stack in watchdog_timer_fn

On Thu, Jun 2, 2011 at 21:15, Daniel Baluta <daniel.baluta@gmail.com> wrote:

Hello,

Why the stack isn't always dumped in watchdog_timer_fn ([1])?

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... -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com