Re: Does KVM support the P.A. Semi PA6T cpu?

[Alexander Graf <agraf@suse.de>]

On 30.05.14 01:50, Christian Zigotzky wrote:
> On 29.04.2014 11:14, Alexander Graf wrote:
>>
>> On 28.04.14 16:19, Christian Zigotzky wrote:
>>> Hi Alex,
>>>
>>> Thanks a lot for your answer. I checked dmesg yesterday but I didn't 
>>> find any error messages about MOL or KVM. I played a bit with the 
>>> emulated CPU types but without any success. I tried the VNC output 
>>> and it works but it didn't solve the boot problem of Mac OS X. I 
>>> have figured out, that there is a verbose mode. I have activated it 
>>> in the molrc.osx (cmdline "-v"). I have started 2 MOL sessions. The 
>>> first with Jaguar and the second with Tiger. Unfortunately, both 
>>> aren't booting to the end.
>>>
>>> Screenshot:
>>>
>>> http://amigaworld.net/modules/newbb/viewtopic.php?mode=viewtopic&topic_id7652&forum4&start`&viewmode=flat&order=0 
>>>
>>> http://forum.hyperion-entertainment.biz/viewtopic.php?f5&t"55&p'368#p27368 
>>>
>>>
>>> Both are running in the G3 mode (molrc.osx: processor: G3). The G4 
>>> mode doesn't work because MOL told me that AltiVec is unavailable; 
>>> reverting to G3 mode. But AltiVec was activated in the molrc.osx. Do 
>>> you have another idea, please?
>>>
>>> Have a nice week and thanks in advance.
>>
>> Please don't top post.
>>
>> Not sure what's going wrong here. Maybe the MOL patchery to 
>> circumvent split real mode doesn't work? Maybe there's something not 
>> working with the dcbz32 patchery?
>>
>> You could try to trace the guest through /sys/kernel/debug/tracing 
>> and see where it's stuck. You can also tell XNU to be more verbose by 
>> passing in a debug= parameter - though I don't remember the exact 
>> syntax anymore.
> Hi Alex,
>
> I have traced a Mac OS X Tiger guest. I have started it in the single 
> user mode. Sometimes I get a shell. But the cpu load rise up to 100% 
> and I can't enter any commands.
>
> Screenshot: 
> http://forum.hyperion-entertainment.biz/download/file.php?id\x1205&mode=view
>
> Trace log: 
> http://forum.hyperion-entertainment.biz/download/file.php?id\x1204
>
> Could you look in the trace log, please? I can do more tests if you like.

$ echo 1 > /sys/kernel/debug/tracing/events/kvm/enabled
$ echo 1 > /sys/kernel/debug/tracing/events/kvm_pr/enabled
$ cat /sys/kernel/debug/tracing/trace_pipe > /dev/shm/trace &
$ start_mol -X
...

then check out /dev/shm/trace :).


Alex