Bug#1116358: linux-image-6.12.48+deb13-amd64: LVM snapshots causing I/O errors in KVM guest with aio=io_uring set

[Salvatore Bonaccorso <carnil@debian.org>]

Hi Kevin,

On Mon, Oct 13, 2025 at 08:07:51PM +0300, Kevin Lumik wrote:
> Hello,
> 
> I've identified the first bad commit using git bisect:
> 
> 90bfb28d5fa8127a113a140c9791ea0b40ab156a is the first bad commit
> commit 90bfb28d5fa8127a113a140c9791ea0b40ab156a
> Author: Jens Axboe <axboe@kernel.dk>
> Date:   Tue Sep 10 08:57:04 2024 -0600
> 
>     io_uring/rw: drop -EOPNOTSUPP check in __io_complete_rw_common()
>     
>     A recent change ensured that the necessary -EOPNOTSUPP -> -EAGAIN
>     transformation happens inline on both the reader and writer side,
>     and hence there's no need to check for both of these anymore on
>     the completion handler side.
>     
>     Signed-off-by: Jens Axboe <axboe@kernel.dk>
> 
>  io_uring/rw.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Great news, thank you for doing this work. I just have forwarded the
information to the io-uring maintainer, let's see if that rings a
bell.

Regards,
Salvatore