Re: early boot crash in init_tracer_tracefs

[Amit Machhiwal <amachhiw@linux.ibm.com>]

On 2026/09/29 01:04 PM, Michal Suchánek wrote:
> 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 for sharing the guest XML.  I had requested some more info [1].  Could
you please share that?

[1] https://lore.kernel.org/all/20260928111234.faec09f7-8d-amachhiw@linux.ibm.com/

Thanks,
Amit