Re: [Xen-devel] booting domU guest as pvh works in xen-4.11.1 but fails in 4.12

[Pry Mar <pryorm09@xxxxxxxxx>]

On 4/16/19, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
> On Mon, Apr 15, 2019 at 04:18:57PM -0700, Pry Mar wrote:
>> Hello,
>>
>> https://paste.debian.net/1077718/
>>
>> I get a kernel panic as shown in the paste above no matter how I
>> launch pvh, with bootloader (pygrub), kernel direct (4.18+), or
>> pvgrub2 (i386-xen_pvh support).
>>
>> The dom0 here is ub1804, kernel-4.18, and xen-4.12 with debian
>> packages (self built).
>> ~$ sudo dpkg -l | grep -P 'xen|qemu' | grep '^ii'
>> ii  libxen-4.12:amd64      4.12.0-1+ub18u04.1                amd64
>>    Public libs for Xen
>> ii  libxenstore3.0:amd64  4.12.0-1+ub18u04.1                amd64
>>   Xenstore communications library for Xen
>> ii  libxentoolcore1:amd64  4.12.0-1+ub18u04.1                amd64
>>    helper for qemu & libxenstore
>> ii  qemuu     3.1.0-1+ub18u04.1                 amd64
>> qemu-system-i386 (3.1.0/xen-4.12) with 9pfs support
>> ii  xen-hypervisor-4.12-amd64             4.12.0-1+ub18u04.1
>>      amd64        Xen Hypervisor on AMD64
>> ii  xen-utils-4.12                        4.12.0-1+ub18u04.1
>>      amd64        XEN administrative tools
>> ii  xen-utils-common                      4.12.0-1+ub18u04.1
>>      all          Xen administrative tools - common files
>> ii  xen-virbr0                            0.1-2
>>      all          Setup a virbr0 bridge and dnsmasq on a
>> ii  xenstore-utils                        4.12.0-1+ub18u04.1
>>      amd64        Xenstore command line utilities for Xen
>>
>> The same xl config and grub config works in xen-4.11.1. I've searched
>> for any new options in xl.cfg that could influence this, but nothing
>> catches my eye.
>
> Do same kernel and initrd work fine when booted as PV or HVM?
>
> Thanks, Roger.
>
yes, I tried PV, but not HVM. None of the ld*.so errors appear
traps: modprobe[48] trap invalid opcode ip:7f797dc7bb95
sp:7ffe3099cdb8 error:0 in ld-2.29.so[7f797dc61000+21000]

the log is similar as booting pvh in 4.11.1 for pv.

hth,
PryMar56

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