Subject: Re: ACPI hangs at boot  w/ nForce motherboard
From: Len Brown <len.brown@intel.com>
To: john stultz <johnstul@us.ibm.com>
Cc: lkml <linux-kernel@vger.kernel.org>
In-Reply-To: <1097777194.20778.8.camel@cog.beaverton.ibm.com>
References: <1097777194.20778.8.camel@cog.beaverton.ibm.com>
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Date: 14 Oct 2004 15:41:10 -0400
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On Thu, 2004-10-14 at 14:06, john stultz wrote:
> Hey Len,
>         Sorry for the lack of details here, but I figured I should at
> least let you know. On my box at home (nForce1 motherboard w/ voodoo3
> video) 2.6.9-rcX kernels hang on boot. Since its my personal system, I
> haven't had much time to debug or look into the issue, however I have
> found that acpi=off allows me to boot.
> 
> There are no strange error messages, the system just hangs (the
> framebuffer console looks to be locked at well - no blinking cursor).
> 
> Any suggestions?  I plan to try the standard acpi=noirq, and
> pci=noacpi, but I feel like I tried them awhile ago to no effect.


Hi John,
Did this break recently, or did a previous ACPI-mode kernel work
properly?

With ACPI enabled, try "acpi_skip_timer_override"
With ACPI enabled, try "noapic"
With ACPI enabled, try "nolapic"

If you can send me a serial console capture with "debug" for the failure
case, that would help.  With any successful boot, the dmesg might be
helpful, and the output from lspci -vv and acpidmp is also helpful.
acpidmp is in /usr/sbin or in pmtools here:
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/

You can send this to me, and/or attach them into a bug report here:
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
and assign it to me.

thanks,
-Len


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