CFR: ciss(4) patches

[Scott Long]

Mitsuru IWASAKI wrote:
> Hi, Scott and current at .
> # I'm not sure who is the ciss(4) maintainer currently, but
> # it seems Scott made last few changes.
> 
> I'm investigating `ciss0: ADAPTER HEARTBEAT FAILED' problem, and
> suspecting that it is caused by the some sort of power-failure(defect
> of processor power module, power management related bugs in controller
> firmware or something).
> 
> Comparing the source code with Linux cciss driver, I've noticed that
> ciss(4) doesn't do polling by sending NOP-MESSAGES and handle the
> requests in completed-queue when HW error is detected.
> The patches at:
> http://people.freebsd.org/~iwasaki/ciss/ciss-failover.patch
> 
> I'm not sure the patches can solve the problem, but the patches
> doesn't hurt anything.  I'd like to try any possible solution one by
> one anyway.
> It is testing by Yatsu-san over a week on 6-R w/E200i, so far so good.
> # Oh yes, I don't have the machine w/ Smart Array around here ;)
> 
> I'll commit the patches on coming weekend if no objections.
> 
> My next target would be MPSAFE patches MFC to 6-STABLE.
> 
> Any suggestions are appreciated.
> Thanks!

Looks worthwhile.  You should probably wait until after the code freeze
to commit the patch to HEAD.  I'll also put the patch into testing at
Yahoo.

Thanks,

Scott