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Date: Thu, 21 May 2009 13:03:03 +0200
From: Riccardo Torrini <riccardo.torrini@esaote.com>
To: Attilio Rao <attilio@freebsd.org>
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Cc: freebsd-stable@freebsd.org, siedar@nplay.pl, scottl@freebsd.org,
	Riccardo Torrini <riccardo.torrini@esaote.com>,
	John Baldwin <jhb@freebsd.org>
Subject: Re: kern/130330: [mpt] [panic] Panic and reboot machine MPT ...
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On Thu, May 21, 2009 at 11:47:54AM +0200, Attilio Rao wrote:

>> Bad news: I removed the second disk during rebuilding and it
>> still crash.  I take a screen shapshot with camera because of
>> too many messages for write down by hand  :)
>> Image, src tarball and info here (about 2.2MB):
>> ftp://ftp.torrini.org/pub/FreeBSD/mpt_crash_on_rebuild/

> Please try the patch here:
> http://www.freebsd.org/~attilio/notify.diff
> 
> I think it is perfectly fine this approach because the
> devctl_notify() also will "silently" fail if no memory is available.
> Note that this is a CAM "bug" more that the driver arises.

Perfect.  With jhb@ _and_ attilio@ patches MPT rebuilt array
w/out problem (tryed adding and removing second disk 3 times
during build, no more crashes  :-)

Going to cvsup to last 7.2-STABLE, be patient (rebuilding).
At a later time I'll report results even on last -CURRENT.
Thanks for your time.


PS: I successfully configured and used serial console for
debug now, next time no more photos  ;)


-- 
Riccardo.