Re: [PATCH 05/16] util/vfio-helpers: Trace PCI I/O config accesses

[Stefan Hajnoczi]

On Tue, Oct 20, 2020 at 07:24:17PM +0200, Philippe Mathieu-Daudé wrote:
> We sometime get kernel panic with some devices on Aarch64
> hosts. Alex Williamson suggests it might be broken PCIe
> root complex. Add trace event to record the latest I/O
> access before crashing. In case, assert our accesses are
> aligned.
> 
> Reviewed-by: Fam Zheng <fam@euphon.net>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  util/vfio-helpers.c | 8 ++++++++
>  util/trace-events   | 2 ++
>  2 files changed, 10 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

signature.asc
Description: PGP signature