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Date:      Wed, 22 Apr 1998 19:44:16 +0200 (SAT)
From:      John Hay <jhay@mikom.csir.co.za>
To:        gibbs@plutotech.com (Justin T. Gibbs)
Cc:        mark@grondar.za, gibbs@FreeBSD.ORG, scsi@FreeBSD.ORG
Subject:   Re: Breakage seen at last!
Message-ID:  <199804221744.TAA26818@zibbi.mikom.csir.co.za>
In-Reply-To: <199804221730.LAA01974@pluto.plutotech.com> from "Justin T. Gibbs" at "Apr 22, 98 11:26:29 am"

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> >I came home today to find my p5/SMP/AHC/CAM box locked up solid.
> >The only message on the screen was about a dozen
> >
> >Timedout SCB handled by another timeout
> >
> >...and it took a hard reset to recover.
> >
> >10 minutes after the reboot, and the same message appeared at +- 5 sec 
> >intervals.
> 
> I really think that something in the kernel timeout facility doesn't work
> under SMP.  You're not the first to report this bug, but it is always
> reported under SMP.  I'll review my management of timeouts in the driver
> again, but I don't expect to find anything.

Not sure if it is related. I don't have a CAM system but my dual PII
system is haveing problems with ntp nowadays. It seems to happen when
I do a make release.

-----------
Apr 15 03:56:11 beast ntpd[163]: time reset 0.662730 s
Apr 16 03:57:32 beast ntpd[163]: time reset 0.505175 s
Apr 17 03:53:55 beast ntpd[163]: time reset 0.565190 s
Apr 18 03:52:55 beast ntpd[163]: time reset 0.361480 s
Apr 19 03:52:13 beast ntpd[163]: time reset 0.446798 s
Apr 22 03:50:11 beast ntpd[163]: time reset 0.582187 s
-----------

On the 20 and 21 the make release failed because of some problems in the
tree. What is interresting is that the times are so close to each other.
Make release is started from cron. This did not happen 3 months ago.

John
-- 
John Hay -- John.Hay@mikom.csir.co.za

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