Date: Fri, 02 Jan 2004 18:41:49 +0800 From: David Xu <davidxu@viatech.com.cn> To: ctodd@chrismiller.com Cc: freebsd-bugs@FreeBSD.org Subject: Re: misc/60646: VIA C3 system hangs on reboot Message-ID: <3FF54AED.70608@viatech.com.cn> In-Reply-To: <200401020610.i026AFR8032311@freefall.freebsd.org> References: <200401020610.i026AFR8032311@freefall.freebsd.org>
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ctodd@chrismiller.com wrote: >The following reply was made to PR misc/60646; it has been noted by GNATS. > >From: ctodd@chrismiller.com >To: David Xu <davidxu@freebsd.org> >Cc: Chris Miller <admin@forkthepenguin.com>, > freebsd-gnats-submit@freebsd.org >Subject: Re: misc/60646: VIA C3 system hangs on reboot >Date: Thu, 1 Jan 2004 22:05:06 -0800 (PST) > > On Fri, 2 Jan 2004, David Xu wrote: > > > I have a VIA EPIA-M II board in hand, its chipset is VIA CLE266, runs > > just fine, no the reboot problem you reported, I think it is not CPU > > related, but chipsets or motherboard related, I saw your motherboard is > > using SIS's chipsets... > > I recently spoke with someone with a VIA motherboard that said the same > thing. The motherboard in question is an ECS (http://ecsusa.com) P6VEM3 > V3. When "Rebooting" is printed to the screen, I do see a flash as if a > signal is sent to reboot but perhaps is not long enough in duration. Any > ideas as to where to look for a cause/solution/workaround in the > source code? Perhaps I can experiment a bit. The manufacturer is > non-responsive to support requests through their website.... > > I think the lastest code kernel executes before CPU reboots itself is in /sys/i386/vm_machdep.c function cpu_reset_real(). try to increase DELAY value to see if there is any differences, or just disable it by define BROKEN_KEYBOARD_RESET in your kernel config file and force CPU to go into triple faults and reboot itself. > > Chris > > >
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