Re: [Xen-devel] xen-4.8-rc7 in Stretch with linux-image 4.8 fails to boot domU with pv-grub

[Juergen Gross <jgross@xxxxxxxx>]

On 30/11/16 10:41, Jan Beulich wrote:
>>>> On 30.11.16 at 01:29, <tlviewer@xxxxxxxxx> wrote:
>> Built & packaged xen 4.8-rc7 in Stretch (deb9) today.
>> xen-4.8-rc7 in Stretch with linux-image 4.8, fails to boot domU kernel with 
>> pv-grub:     https://paste.debian.net/plain/899726 
>> from config/Tools.mk: ZLIB   :=  -DHAVE_BZLIB -lbz2 -DHAVE_LZMA -llzma 
>> -DHAVE_LZO1X -llzo2
>> this worked with 4.8-rc6, as of Nov. 23.
>> I also tried to downgrade the pv-grub to 4.6 and it still failed, so I 
>> suspect some interaction with xl.
>>
>> I found the exact same behavior in Ubuntu Xenial, that is none of my pv-grub 
>> domU start.
>> However regular pygrub, and pv-grub2 are working fine to boot the same domU.

I can't reproduce this issue. pvgrub is working just fine booting either
a 3.0 or a 4.9 pv-kernel (used a fresh xen git tree from staging).

Can you please start the domain with

xl create -c <your-config>

and have a look whether you see some error output from pvgrub? You
might want to redirect output to a file or issue the command in a
terminal window with logging enabled as the pvgrub menu will blank
out some of the output.


Juergen

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