On Tue, Jan 18, 2022 at 06:01:06PM +0100, Paul Menzel wrote:
> > >      $ dmesg --level=err
> > >      [    4.194306] nvme 0000:01:00.0: AMD-Vi: Event logged 
> > > [IO_PAGE_FAULT domain=0x000c address=0xffffc080 flags=0x0050]
> > >      [    4.206970] nvme 0000:01:00.0: AMD-Vi: Event logged 
> > > [IO_PAGE_FAULT domain=0x000c address=0xffffc000 flags=0x0050]

This was caused by a DMA read to a write-only page. Looks like a bug in
the driver or the devices firmware.

Regards,

        Joerg
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