Date: Thu, 18 Dec 2003 16:24:14 +0100 (CET) From: guy@device.dyndns.org To: Adam Maloney <adam@whee.org> Cc: freebsd-stable@freebsd.org Subject: RE: SMP forcing crash/reboot in 4.9-STABLE Message-ID: <XFMail.20031218162414.guy@device.dyndns.org> In-Reply-To: <005401c3c575$674d4ab0$41c3c3cf@office.sihope.com>
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On 18-Dec-2003 Adam Maloney wrote:
> We have a 4-way P3/500 Xeon system running FreeBSD. We had been running
> 4.8-STABLE for a number of months with SMP enabled and no issues. Around
> 25-November we moved to 4.9-STABLE. The system ran without SMP enabled
> until Tuesday, when we enabled SMP and APIC_IO, rebuilt the kernel, and
> rebooted. Then about every 30 minutes the system would reboot. We moved
> back to single-processor (using the source updated on 25-Nov) and it has
> worked since.
>
> So we synced source last night and tried enabling SMP again this morning.
> We are still seeing the same problem. We have switched back to a non-SMP
> kernel (from last night's sync) and are running fine.
>
> Has anyone else seen this? Any ideas where to look? There is nothing in
> messages or dmesg about the crash, and I haven't been able to catch it at
> the console to see if there's a message there.
This may be related to my problem, though the symptom is different.
Since the same time (around the end of november) i tried many times to
build a SMP-enabled 4.9-STABLE kernel for my bi-athlon machine. It always
hangs (no error msg, total iresponsiveness) at the end of the kernel boot
(just before mounting filesystems).
I then reverted my cvs tree to use -RELEASE, and all is fine.
I did not yet try a non-SMP kernel. I'll do that asap.
--
Guy
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