Re: [Xen-users] xen 2.0.7 on VIA C3 (EPIA)

[glen martin <glenm@xxxxxxxxxxxx>]

On Sept 3 13:05:37, Chris Brookes <cbrookes@xxxxxxxxx 
<mailto:cbrookes%40gmail.com>> wrote:

> Has anyone tried to get Xen 2.0.7 booting on a VIA EPIA board with a
> VIA C3 CPU?
yes, but not successfully. :)

> I know some of the EPIA mainboards have a CPU with
> "features" (4kb pages and no cmov instruction) that require the patch
> Adam Sulmicki put together for 2.0.0 and 2.0.1
> (http://lists.xensource.com/archives/html/xen-devel/2004-12/txt8D0L7RWimG.txt),
Mine is a VIA EPIA PD6000, regarding which /proc/cpuinfo says:
 machine:/proc# more /proc/cpuinfo
 processor       : 0
 vendor_id       : CentaurHauls
 cpu family      : 6
 model           : 7
 model name      : VIA Samuel 2
 stepping        : 3
 cpu MHz         : 601.505
 cache size      : 64 KB
 fdiv_bug        : no
 hlt_bug         : no
 f00f_bug        : no 
 coma_bug        : no
 fpu             : yes
 fpu_exception   : yes
 cpuid level     : 1
 wp              : yes
 flags           : fpu de tsc msr cx8 mtrr pge mmx 3dnow
 bogomips        : 1187.84

> and I have managed to patch, compile and boot a NetBSD dom0
> sucessfully with this version.
I found this patch didn't go in cleanly (any more?) into testing (there were a
couple of changes to semi-magic constants in the codebase), and so I had to 
hand-insert a couple of chunks ... I won't post patches just yet in case my 
asm skills are as rusty as others' in the thread purport to be. :)
...
> (which is a great step forward from the immediate reboot
> without it), 
quite :)

> however the whole thing halts with "(XEN) Unknown
> interrupt" just after "XEN) System RAM: 509MB (521852kB)".
I've gotten to this failure now (well, I have less RAM). 

So it's been a month since Chris posted orginally ... has anyone
made any progress beyond this point, or is this breaking new ground?

Cheers,

--
glen

Vite sine cervesae mamulatas


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