Re: xenkernel42-4.2.4 DOM0 lost interrupt

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Apr 18, 2014 at 05:23:36AM +0200, bobbisanchez%gmx.de@localhost wrote:
> hi
> 
> i am trying to get xen42-4.2.4 dom0, NetBSD-6.1.3 or current, from the xen
> port to run on a i386 machine with a via chipset, vt8237.
> but i run into lost interrupt error and cant boot, i also tried to set pio
> mode 1-4 or DMA off and on, bios and Kernel flags, or the piixide driver did
> not helped.
> 
> GENERIC Kernel boots fine also with UDMA.
> 
> please someone help i love this machine :) i can only run i386 on it cause
> its a VIA C7 CPU.
> 
> my bootlog:

Looks like the boot output is truncated. Especially, the viaide attachement
is not inclued.
It would be interesting to have the boot log from GENERIC too.


> [...]
> (XEN) traps.c:2611:d0 Domain attempted WRMSR 00001107 from
> 0x3c7f86859f1f1ac6 to 0x3c7f86859f1f1ac7.
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 eip c0221c54 cs 9 eflags 202 cr2 0 ilevel 8 esp 0
> curlwp 0xc0c28880 pid 0 lid 1 lowest kstack 0xc0ed52c0
> Stopped in pid 0.1 (system) at  netbsd:breakpoint+0x4:  popl    %ebp
> breakpoint(8,c0d99afc,0,3,0,0,10000,0,0,6000) at netbsd:breakpoint+0x4
> ds          c0d90011    xpq_queue_array+0xfbb31
> es          70011
> fs          70031
> gs          c0e00011
> edi         9
> esi         c0c5c660    xen_idt
> ebp         c0ed7f30
> ebx         c0c5c660    xen_idt
> edx         c0bcfc80    cpu_info_primary
> ecx         8
> eax         0
> eip         c0221c54    breakpoint+0x4
> cs          9
> eflags      202
> esp         c0ed7f30
> ss          11
> netbsd:breakpoint+0x4:  popl    %ebp
> db> c

Not sure what this is, a 'tr' would help here to see where this comes from
(but I'm not sure it's related to the interrupt problem)

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--