Re: Pausing/resuming CPU's in DDB

[Takeshi Nakayama <tn%catvmics.ne.jp@localhost>]

>>> Julian Coleman <jdc%coris.org.uk@localhost> wrote

> On my 8-way E3500, I almost always see some of the CPU's fail to pause when
> entering DDB, and fail to resume when leaving.  This makes it hard to obtain
> CPU-specific information for some CPU's.  Martin suggested that a loop around
> the pause/resume code might help here, and the attached patch works for me.
> Does anyone see any problem with it?

How about increase the retry count in sparc64_send_ipi() ?

Ours is now 1000, but FreeBSD is 5000, OpenBSD is 10000.

Thanks,

-- Takeshi Nakayama