[clug] Re: Recommendation for dual Xeon (dual core) M/b and RHEL4 please (linux Digest, Vol 47, Issue 2)

[Duncan Roe]

I've had no trouble with my dual Opteron *except* when I configured a
pre-emptive kernel.

At the time, I was also experimenting with Beta BIOS code, which I subsequently
reverted as well as reverting to non-pre-emptive kernel, so I don't really know
which one was the cause.

Hope that helps,

Cheers ... Duncan.

On Fri, Nov 03, 2006 at 10:23:53AM +1100, Miles Goodhew wrote:
> HI all,
>
> >Date: Thu, 02 Nov 2006 07:41:13 +1100
> >From: Stephen Hodgman <steve at namsys.com.au>
> >
> >We have a need to build some systems that are dual Xeon (dual core)
> >systems running Redhat Enterprise Linux 4.  This is essentially
> >equivalent to Centos 4
> >We have been delivered SuperMicro X7DAL-E M/b that we were assured
> >worked!  These are ATX formfactor rather than the extended ATX
> >which is
> >attractive.
> >However, while we can run single CPU (standard) kernel the SMP kernel
> >panics everytime.
> >Kernel is 2.6.42
> >The error is "failed to sync" but sometimes it just stops at the
> >loading
> >screen with the "Redhat nash...." line
> >We also sometimes get an error about "losing ticks" and a problem with
> >"TSC syncronization".
>
> 	Yick! In my personal experience, I've only had panics when I'm using
> a less-than-appropriate kernel module or the kernel is targetted at a
> more-capable CPU than what I'm running on (e.g. 686 code on a pre-
> Nehemia C3 CPU). Maybe "/proc/cpuinfo" might give you some leads?
> 	FWIW, nash is the redhat-developed initrd shell. I suspect (but
> don't know for sure) the name might be an acronym of "Not a shell".
> It's incredibly simple and cut-down with the express purpose of
> running discovery/setup operations inside the initrd phase of the
> Redhat boot sequence. It should be common between boot-modes (smp/
> uni) and is probably targetted at i386.
>
> >Date: Thu, 02 Nov 2006 11:16:19 +1100
> >From: Leo Kliger <lkliger at bigpond.net.au>
> >
> >- Perhaps it's a hardware issue.... could you try installing FC6
> >and see
> >if boots and then perhaps runs for 24 hours.
>
> 	Yeah, I would try something pretty "everything friendly" like Ubuntu
> (try booting the live CD). I don't know for sure, but I'd hope it'd
> recognise the CPU arrangement and use an SMP kernel.
>
> >- If you are installing RHEL4 can we assume that this is a "Red Hat
> >Network" subscribed system? What do Red Hat support say?
>
> 	That too.
>
> Hope that helps.
>
> M0les.
>
>
> --
> linux mailing list
> linux at lists.samba.org
> https://lists.samba.org/mailman/listinfo/linux

--
 Please avoid sending me Word or PowerPoint attachments.
 See http://www.gnu.org/philosophy/no-word-attachments.html