5.1-R-p2 crashes on SMP with AMI RAID and Intel 1000/Pro

[Lawrence Farr]

The Supermicro dual board I just purchased needed 400W minimum. The 300W
supply I ran as a test cut out under load, and it's now running completely
stable with a 500W supply.

Lawrence Farr
EPC Direct Limited 

> -----Original Message-----
> From: owner-freebsd-stable at freebsd.org 
> [mailto:owner-freebsd-stable at freebsd.org] On Behalf Of Hartmann, O.
> Sent: 13 August 2003 10:56
> To: Simon L. Nielsen
> Cc: freebsd-stable at FreeBSD.org; freebsd-smp at FreeBSD.org
> Subject: Re: 5.1-R-p2 crashes on SMP with AMI RAID and Intel 1000/Pro
> 
> 
> On Wed, 13 Aug 2003, Simon L. Nielsen wrote:
> 
> :>On 2003.08.13 10:59:19 +0200, Hartmann, O. wrote:
> :>
> :>> It seems to me a never ending story. We run a box with a 
> TYAN Thunder
> :>> 2500 Dual SMP mainboard, 2GB ECC Tyan certified memory, 
> AMI Enterprise
> :>> 1600 RAID adapter and additional Intel 1000/Pro server 
> type (64 bit)
> :>> GBit LAN NIC. With FreeBSD 4.8 this was stable, but to achive this
> :>> state was really hard! It is a story similar to that what 
> happend when
> :>> we changed towards FreeBSD 5.1-RELEASE-p2 on this machine.
> :>
> :>Have you tried with a more powerful PSU?  I have had 
> problems with Tyan
> :>boards that were crashing very often, and it turned out to be a
> :>bad/insufficient PSU.  It worked sometimes, and sometimes it just
> :>crashed.
> :>
> :>Just a wild guess, but might be worth checking out.
> :>
> :>--
> :>Simon L. Nielsen
> :>FreeBSD Documentation Team
> :>
> 
> Dear Simon.
> 
> Yes, we did. At this moment we have a redundant 300W PSU and it
> worked fine.
> 
> I think if the PSU causes problems, typical hardware errors 
> or spontanous
> reboots might be a indicator, but not the problem of freezing kernel.
> In earlier times, when we ordered the TYAN board and its 
> housing, we were
> made aware of this problem by some FreeBSD users which had 
> problems with
> low power PSU.
> 
> Thanks,
> Oliver
> --
> MfG
> O. Hartmann
> 
> ohartman at mail.physik.uni-mainz.de
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