Re: [Xen-devel] xl create crash when using stub domains

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Thu, 2011-09-22 at 00:06 +0100, Jeremy Fitzhardinge wrote:
> On 09/21/2011 01:56 AM, Ian Campbell wrote:
> > On Wed, 2011-09-21 at 02:34 +0100, Jeremy Fitzhardinge wrote:
> >> On 09/15/2011 05:33 PM, Jeremy Fitzhardinge wrote:
> >>> When I create an HVM domain with stubdom enabled, it crashes at:
> >>>
> >>> (gdb) run create  -c /etc/xen/f14hv64  vcpus=4 xen_platform_pci=0 
> >>> 'boot="d"'
> >>> Starting program: /usr/sbin/xl create  -c /etc/xen/f14hv64  vcpus=4 
> >>> xen_platform_pci=0 'boot="d"'
> >>> [Thread debugging using libthread_db enabled]
> >>> Parsing config file /etc/xen/f14hv64
> >>> xc: info: VIRTUAL MEMORY ARRANGEMENT:
> >>>   Loader:        0000000000100000->000000000017b9ec
> >>>   TOTAL:         0000000000000000->000000003f800000
> >>>   ENTRY ADDRESS: 0000000000100000
> >>> xc: info: PHYSICAL MEMORY ALLOCATION:
> >>>   4KB PAGES: 0x0000000000000200
> >>>   2MB PAGES: 0x00000000000001fb
> >>>   1GB PAGES: 0x0000000000000000
> >>> xc: error: panic: xc_dom_bzimageloader.c:588: 
> >>> xc_dom_probe_bzimage_kernel: kernel is not a bzImage: Invalid kernel
> > FWIW I don't get this message. It seems unrelated to the issue here but
> > makes me curious...
> 
> It's generated by xc_dom_probe_bzimage_kernel() when starting a PV
> domain with pvgrub or an HVM domain with stubdoms, AFAIKT.  Do you not
> see it, or just not do those things?

I didn't think I'd seen it (booting w/ a stubdom) but looking at the
code it must have been in there somewhere.

>   Seems to me that a "probe"
> function shouldn't be making obnoxious noise.

Full ACK.

Ian.


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