[PATCH blktests 0/2] Test multipath and marginal ports

[Jesse Taube]

On Fri, Aug 14, 2026 at 7:25 AM Shin'ichiro Kawasaki
<shinichiro.kawasaki at wdc.com> wrote:
>
> Hi Jesse, thanks for the patches.
>
> On Aug 12, 2026 / 13:45, Jesse Taube wrote:
> > Tests for the upcoming nvme-fc: FPIN link integrity handling set.
>
> I assume that above refers to this kernel patch series.
>
>   https://lore.kernel.org/linux-nvme/20260812181300.3712426-1-jtaubepe@redhat.com/

Yes it does

>
> I applied the series on top of v7.2-rc7 kernel. Then I ran the test case added
> by this blktests series and observed the failurea below:
>
> nvme/070 (tr=fc) (test nvme-fc marginal path handling)       [failed]
>     runtime  33.581s  ...  33.028s
>     --- tests/nvme/070.out      2026-08-14 12:03:21.338000000 +0900
>     +++ /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad       2026-08-14 20:17:04.731000000 +0900
>     @@ -2,7 +2,8 @@
>      Starting background I/O
>      Testing iopolicy: numa
>      Changing FC links to online
>     -Set all online: pass
>     +No FC ports are being used, expected atleast one in use when all are online in numa mode.
>     +Set all online: fail
>      One host marginal: pass
>     ...
>     (Run 'diff -u tests/nvme/070.out /home/shin/Blktests/blktests/results/nodev_tr_fc/nvme/070.out.bad' to see the entire diff)
>
> Is this failure expected?

No. I can't reproduce the issue either.
Does this happen consistently?
Maybe the links are still connecting?

Thanks for you review I will implement the changes you recomend.

Thanks,
Jesse Taube

>
> I will comment on each patch in line.
>