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Re: install/38752: 4.99.63 corrupts superblock
The following reply was made to PR install/38752; it has been noted by GNATS.
From: Roy Marples <roy%marples.name@localhost>
Subject: Re: install/38752: 4.99.63 corrupts superblock
Date: Thu, 3 Jul 2008 23:29:13 +0100
On Tuesday 27 May 2008 22:15:04 Roy Marples wrote:
> More info on this - this disk itself is fine.
> The issue is with SMP. By chance I installed the non SMP 4.0 kernel and
> everything worked. So I obtained a -current kernel, /boot and /boot.cfg
> and booted with the -1 option to disable SMP and that works fine also.
> This means that my Intel Core2 Quad fails to SMP on my Abit IP35 Pro
> motherboard with both NetBSD 4.0 SMP and 4.99.63. The BIOS is current as
> of today, compiled on 20080318. For reference, Gentoo Linux amd64 has no
> trouble running on this platform, all CPUs are active and appear to be
> working fine.
> The symptom with -current in SMP is now a hang after detecting the disk on
> wd0. init is not reached.
More info again :)
I've updated to -current dated 20080807, (4.99.69 IIRC)
By chance I noticed a new BIOS for my motherboard.
Flashing it didn't make any difference, but whilst setting some options I
broke my USB keyboard in the BIOS. So I plugged my trusty ps/2 keyboard in
and voila - SMP started working.
After around 10 reboots and unplugging, replugging the PS/2 keyboard each time
I had 5 fails and 5 successes for SMP. The USB keyboard was still plugged in,
and fully working if the system booted.
During this testing, I enabled MPDEBUG and the debugger dropped in after each
CPU failed to become ready. Just before the hang, it dropped again - but this
time it said cpu1 failed to start and entered the debugger. At this point usb
keyboard is frozen (worked to continue past the 3 cpu failed to become ready
messages) and needed to cold boot.
I have no idea if that's enough for you guys to fix this or not.
FWIW, FreeBSD-7.0 and OpenBSD-4.3 will not boot on this box either. Although
I'll be re-testing with a ps/2 keyboard plugged in and submitting pr's for
them if it then works.
Gentoo Linux works just fine, so I'm sure that this is fixable :)
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