[bug report][PPC]: rmod nvme driver causes the kernel panic

[Nilay Shroff]

On 10/13/25 3:30 PM, Nam Cao wrote:
> Nilay Shroff <nilay at linux.ibm.com> writes:
>> Hi Nam,
> Hi Nilay,
> 
>> On the latest upstream mainline kernel, I am encountering a kernel
>> crash when attempting to unload the NVMe driver module (rmmod nvme)
>> on a POWER9 system. The crash appears to be triggered by the recent
>> work on using MSI parent domains, discussed here: 
>> https://lore.kernel.org/all/cover.1754903590.git.namcao@linutronix.de/
> 
> Thanks for the detailed analysis. This should be fixed by:
> https://lore.kernel.org/linuxppc-dev/20251010120307.3281720-1-namcao@linutronix.de/T/#u
> 
> which currently is in powerpc/fixes-test

Thanks for the fix! This works well... 

--Nilay