Re: 5.2 Beta unable to boot

From: Scott Long <scottl_at_freebsd.org>
Date: Sat, 06 Dec 2003 13:44:18 -0700
de-boysson.charles-henri_at_epita.fr wrote:
> Hi,
> 
> I just tried the miniinst 5.2-BETA (kernel dated 11/25/03) on my
> computer but it couldn't even boot. My mother board is a A7N8X Delux with
> 1Gb of main memory. It uses a NForce2 chip. The graphic card is _not_
> embeded in the chip : I use an external GF2MX. The BIOS finds it on IRQ 11.
> I wrote down by hand the last lines of the panic:
> 
> agp0: <NVIDIA nForce2 AGP Controler> mem 0xa0000000 - 0xbfffffff at dev 0.0 on pci0
> panic: pmap_mapdev: couldn't alloc kernel virtual memory
> cpuid 0;
> 
> And then to debugger :(.
> 
> I tried a 'where' command. Here are the latest functions called :
> device_probe_and_attach
> root_bus_configure
> configure
> mi_startup
> begin
> 
> The panic also happens with the 12/03/03 ans 12/02/03 mini isos. 
> The same MB boots 4.9-Stable correctly.
> 
> I don't have a trace or boot -v log as I don't boot from serial. If it is
> needed, I'm sure I can look into dusty drowers or ask a friend and get
> a serial cable to do that.
> 
> I don't really know how to get more informations with a panic that early
> in the boot process, but I'll gladly follow instructions.
> 


The onboard nForce2 function is trying to allocate a 512MB AGP window.
Can you disable the function in the BIOS, or at least tell it to
reduce the AGP window to something much smaller?

Scott
Received on Sat Dec 06 2003 - 11:45:31 UTC

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