On Tue, Sep 29, 2026 at 09:36:05AM +0530, Amit Machhiwal wrote:
> On 2026/09/28 11:43 AM, Amit Machhiwal wrote:
> > Hi Michal,
> >
> > Thanks for the report. We have been looking at the crash and have some
> > findings
> > and follow-up questions.
> >
> > On 2026/09/25 10:10 AM, Michal Suchánek wrote:
> > > Hello,
> > >
> > > There appears to be a regression between
>
> < snip >
>
> > >
> > > Linux 7.0.12
> > > https://github.com/openSUSE/kernel/tree/4c9922875554ec191166ba6c0145f12d8ff9d4fc
> > > https://github.com/openSUSE/kernel-source/blob/2ebf0bc/config/ppc64le/default
>
> I have been trying to recreate the issue with this kernel and config but I
> haven't been able to. The L2 KVM guest boots fine everytime.
>
> In addition to the requested information, could you please also share your
> qemu
> cmdline/guest xml you used?
The XML of the VM is below. What other information do you require?
Thanks
Michal
<domain type='kvm'>
<name>kwork2</name>
<uuid>6b72d912-3243-48af-8cb2-b61f04b93ff2</uuid>
<metadata>
<libosinfo:libosinfo
xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0";>
<libosinfo:os id="http://suse.com/sles/16"/>
</libosinfo:libosinfo>
</metadata>
<memory unit='KiB'>260000000</memory>
<currentMemory unit='KiB'>260000000</currentMemory>
<vcpu placement='static'>120</vcpu>
<os>
<type arch='ppc64le' machine='pseries-10.0'>hvm</type>
<boot dev='hd'/>
</os>
<cpu mode='custom' match='exact' check='none'>
<model fallback='forbid'>POWER11</model>
</cpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-ppc64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/scratch/libvirt/images/kwork2.qcow2'/>
<blockio logical_block_size='4096' physical_block_size='4096'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<target dev='sda' bus='scsi'/>
<readonly/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<controller type='usb' index='0' model='qemu-xhci' ports='15'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02'
function='0x0'/>
</controller>
<controller type='scsi' index='0' model='virtio-scsi'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</controller>
<controller type='pci' index='0' model='pci-root'>
<model name='spapr-pci-host-bridge'/>
<target index='0'/>
</controller>
<controller type='virtio-serial' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</controller>
<interface type='bridge'>
<mac address='52:54:00:94:23:7a'/>
<source bridge='bridge'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x0'/>
</interface>
<serial type='pty'>
<target type='spapr-vio-serial' port='0'>
<model name='spapr-vty'/>
</target>
<address type='spapr-vio' reg='0x30000000'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
<address type='spapr-vio' reg='0x30000000'/>
</console>
<console type='pty'>
<target type='virtio' port='1'/>
</console>
<channel type='unix'>
<target type='virtio' name='org.qemu.guest_agent.0'/>
<address type='virtio-serial' controller='0' bus='0' port='1'/>
</channel>
<audio id='1' type='none'/>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06'
function='0x0'/>
</memballoon>
<rng model='virtio'>
<backend model='random'>/dev/urandom</backend>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07'
function='0x0'/>
</rng>
<panic model='pseries'/>
</devices>
</domain>
