On Thu, Jun 2, 2011 at 21:15, Daniel Baluta [off-list ref] 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