5.3-BETA1 hard lockups (HP DL380 G3)

Robert Watson rwatson at freebsd.org
Wed Aug 25 08:03:02 PDT 2004

On Wed, 25 Aug 2004, Chris Dillon wrote:

> Anybody else experiencing hard lockups with a recent 5.3-BETA?  I can
> manage to build and install a kernel if I hold my breath while doing it,
> but I can't make it through a buildworld without the system locking up
> hard enough to require a manual reset (thank goodness for iLO and its
> virtual reset button :-). 

Yes -- there's a bug fix in HEAD for SMP-related VM races, but it's not
yet merged to RELENG_5 as it's in a three day waiting period.  It will be
shortly.  I've CC'd Doug White, the pertinent victim.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Principal Research Scientist, McAfee Research

> The hardware I'm working on is a HP Proliant DL380 G3, with dual 
> 2.8GHz Xeons, 2GB RAM, and using the on-board SmartArray 5i+ 
> controller with six 72GB 10KRPM disks in a RAID5 configuration. 
> Everything worked fine at first, even went through a few 
> kernels+worlds and plenty of port builds over the last month, but 
> within the last week or so these hard lockups started happening during 
> kernel/world builds (probably any moderate load would do).  I thought 
> maybe something might have gone wrong with the hardware so I ran the 
> HP Diagnostics on it for 24 hours in a continuous loop and everything 
> went fine.  Any clues?
> -- 
>   Chris Dillon - cdillon(at)wolves.k12.mo.us
>   FreeBSD: The fastest, most open, and most stable OS on the planet
>   - Available for IA32, IA64, AMD64, PC98, Alpha, and UltraSPARC architectures
>   - PowerPC, ARM, MIPS, and S/390 under development
>   - http://www.freebsd.org
> Q: Because it reverses the logical flow of conversation.
> A: Why is putting a reply at the top of the message frowned upon?
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