Re: [Xen-devel] HVM pvops failures

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

root@ServerXen331:~# which strace
/usr/bin/strace


--- On Mon, 2/23/09, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:

From: Andrew Lyon <andrew.lyon@xxxxxxxxx>
Subject: Re: [Xen-devel] HVM pvops failures
To: bderzhavets@xxxxxxxxx
Cc: "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Monday, February 23, 2009, 2:45 PM

On Mon, Feb 23, 2009 at 6:47 PM, Boris Derzhavets <bderzhavets@xxxxxxxxx>
wrote:
> I've tried that :-
>
> name = "Ubuntu810HVM"
> builder = "hvm"
> memory = "2048"
> disk =
['phy:/dev/loop0,hdc:cdrom,r','phy:/dev/sdb7,hda,w']
> vif = [ 'type=ioemu,bridge=eth0'
 ]
> # device_model = "/usr/lib64/xen/bin/qemu-dm"
> device_model = "device_model_wrap.sh"
> kernel = "/usr/lib/xen/boot/hvmloader"
> vnc=1
> boot="d"
> usb=1
> usbdevice="tablet"
> vcpus=1
> 
> 
>
> cat device_model_wrap.sh
> #!/bin/sh
>   set -e
>   exec strace -vvs500 -f -o ~boris/vm/qemu-dm.strace \
>   /usr/lib64/xen/bin/qemu-dm "$@"
>
>
> Same behavior. File qemu-dm.strace has not been created at all.
> Content of log file under /var/log/xen is just the same.
> xm dmesg is much less informative. Just 2-3 HVM lines

Worked for me, I've attached the 1mb strace logfile.

Perhaps you don't have strace installed?

Andy
>
>
> --- On Mon, 2/23/09, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> wrote:
>
> From: Ian Jackson
 <Ian.Jackson@xxxxxxxxxxxxx>
> Subject: Re: [Xen-devel] HVM pvops failures
> To: "Andrew Lyon" <andrew.lyon@xxxxxxxxx>
> Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx"
<xen-devel@xxxxxxxxxxxxxxxxxxx>
> Date: Monday, February 23, 2009, 11:21 AM
>
> Andrew Lyon writes ("Re: [Xen-devel] HVM guest question (was Re:
[PATCH]
> ioemu: Cleanup the code of PCI passthrough.)"):
>> On Mon, Feb 23, 2009 at 2:53 PM, Ian Jackson
> <Ian.Jackson@xxxxxxxxxxxxx> wrote:
>> > These messages are not very surprising.  Is it working ?
>>
>> No, when try to start HVM on Xen unstable with pv_ops kernel I get
this
> error:
>
> Ah.  This is rather odd.  Normally I would hope that xend would report
> an exit status.  (I haven't tried pvops with
>  qemu.)
>
> I would suggest running qemu-dm under strace.  This can be done
 easily
> enough with a simple wrapper script, something like:
>   #!/bin/sh
>   set -e
>   exec strace -vvs500 -f -o /root/qemu-dm.strace \
>     /usr/lib/xen/bin/qemu-dm "$@"
> and then give the name of the script as device_model in your config file.
>
> Ian.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>

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