Opteron / Tyan motherboard fault on boot.

Hendricks David W. dwh at lanl.gov
Thu Aug 19 17:20:01 CEST 2004

Is this on the S2880? The only patch you might need is for integrated ATi 
VGA support on some mainboards. Other than that a current CVS tree should 
do the trick. 

On Thu, 19 Aug 2004, Dave Belfer-Shevett wrote:

> We're in the process of deploying Linuxbios to boot a cluster of Opteron
> based blade servers.  I built a new kernel, put it in /tftpboot after
> using:
> mkelf-linux --rootdir=rom --ip=rom ./bzImage > vmlinuz.tyan
> and cycled the blade.  Wen booting, I get:
> Searching for server (DHCP)
> Me:, Server:, Gateway
> Loading (ELF)... done
> LinuxBIOS- [date date] starting...
> Unknown Trwt
> Looking at an old message to this list, there's this snippet:
> http://www.mail-archive.com/linuxbios@clustermatic.org/msg03174.html
> where the following line(s) are, in set_Trwt()...
>         if ((clocks < DTH_TRWT_MIN) || (clocks > DTH_TRWT_MAX)) {
>                 die("Unknown Trwt");
>         }
> What is this, and why is it happening?  Is there a patch needed for LinuxBIOS
> to work properly on modern Opterons?
> Thanks, I'm in dire straights here, any help would be appreciated.
> 	-dbs

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