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From:   Oleksandr Natalenko <oleksandr@natalenko.name>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Laurence Oberman <loberman@redhat.com>
Cc:     linux-kernel@vger.kernel.org, Jens Axboe <axboe@fb.com>,
        Christoph Hellwig <hch@lst.de>,
        Sagi Grimberg <sagi@grimberg.me>,
        linux-nvme@lists.infradead.org,
        David Jeffery <djeffery@redhat.com>,
        Ming Lei <ming.lei@redhat.com>,
        Paolo Valente <paolo.valente@linaro.org>,
        Jan Kara <jack@suse.cz>, Sasha Levin <sashal@kernel.org>,
        Keith Busch <kbusch@kernel.org>
Subject: Re: New warning in nvme_setup_discard
Date:   Fri, 16 Jul 2021 07:50:47 +0200
Message-ID: <6257454.2i5GHAlHl1@natalenko.name>
In-Reply-To: <8b0023f5ba9ede85f6f75159847b4c185ab68f6f.camel@redhat.com>
References: <4729812.CpyZKHjjVO@natalenko.name> <YPBD8z+yqC0ShjrZ@kroah.com> <8b0023f5ba9ede85f6f75159847b4c185ab68f6f.camel@redhat.com>
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Hello.

On =C4=8Dtvrtek 15. =C4=8Dervence 2021 23:37:21 CEST Laurence Oberman wrote:
> [root@ml150 ~]# uname -a
> Linux ml150 5.14.0-rc1+ #1 SMP Thu Jul 15 16:41:08 EDT 2021 x86_64
> x86_64 x86_64 GNU/Linux
>=20
> [root@ml150 ~]# nvme list
> Node             SN                   Model
>         Namespace Usage                      Format           FW Rev
> ---------------- -------------------- -------------------------------
> --------- --------- -------------------------- ---------------- -----
> ---
> /dev/nvme0n1     CVCQ536300C9400AGN   INTEL
> SSDPEDMW400G4                      1         400.09  GB /
> 400.09  GB    512   B +  0 B   8EV10135
> /dev/nvme1n1     CVFT7383000W400BGN   INTEL
> SSDPEDMD400G4                      1         400.09  GB /
> 400.09  GB    512   B +  0 B   8DV10171
>=20
> fwiw
>=20
> I built 5.14 and I have 2 nvme devices and I am not seeing this even
> using them to build the kernel on.

Thanks for trying. What about v5.13.2? Also, are using BFQ? Is device mappe=
r=20
in use?

=2D-=20
Oleksandr Natalenko (post-factum)