Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
From:   "NeilBrown" <neilb@suse.de>
To:     "Naresh Kamboju" <naresh.kamboju@linaro.org>
Cc:     "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org,
        lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com,
        f.fainelli@gmail.com, sudipm.mukherjee@gmail.com,
        slade@sladewatkins.com, "Netdev" <netdev@vger.kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        "Jakub Kicinski" <kuba@kernel.org>,
        "Paolo Abeni" <pabeni@redhat.com>,
        "Trond Myklebust" <trond.myklebust@hammerspace.com>,
        linux-nfs@vger.kernel.org,
        "Anna Schumaker" <anna.schumaker@netapp.com>
Subject: Re: [PATCH 4.19 000/338] 4.19.238-rc1 review
In-reply-to: <CA+G9fYscMP+DTzaQGw1p-KxyhPi0JB64ABDu_aNSU0r+_VgBHg@mail.gmail.com>
References: <20220414110838.883074566@linuxfoundation.org>,
 <CA+G9fYvgzFW7sMZVdw5r970QNNg4OK8=pbQV0kDfbOX-rXu5Rw@mail.gmail.com>,
 <CA+G9fYscMP+DTzaQGw1p-KxyhPi0JB64ABDu_aNSU0r+_VgBHg@mail.gmail.com>
Date:   Tue, 26 Apr 2022 12:29:55 +1000
Message-id: <165094019509.1648.12340115187043043420@noble.neil.brown.name>
Precedence: bulk

On Thu, 21 Apr 2022, Naresh Kamboju wrote:
> On Mon, 18 Apr 2022 at 14:09, Naresh Kamboju <naresh.kamboju@linaro.org> wr=
ote:
> >
> > On Thu, 14 Apr 2022 at 18:45, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> > >
> > > This is the start of the stable review cycle for the 4.19.238 release.
> > > There are 338 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > >
> > > Responses should be made by Sat, 16 Apr 2022 11:07:54 +0000.
> > > Anything received after that time might be too late.
> > >
> > > The whole patch series can be found in one patch at:
> > >         https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patc=
h-4.19.238-rc1.gz
> > > or in the git tree and branch at:
> > >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stab=
le-rc.git linux-4.19.y
> > > and the diffstat can be found below.
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> >
> > Following kernel warning noticed on arm64 Juno-r2 while booting
> > stable-rc 4.19.238. Here is the full test log link [1].
> >
> > [    0.000000] Booting Linux on physical CPU 0x0000000100 [0x410fd033]
> > [    0.000000] Linux version 4.19.238 (tuxmake@tuxmake) (gcc version
> > 11.2.0 (Debian 11.2.0-18)) #1 SMP PREEMPT @1650206156
> > [    0.000000] Machine model: ARM Juno development board (r2)
> > <trim>
> > [   18.499895] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > [   18.504172] WARNING: inconsistent lock state
> > [   18.508451] 4.19.238 #1 Not tainted
> > [   18.511944] --------------------------------
> > [   18.516222] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
> > [   18.522242] kworker/u12:3/60 [HC0[0]:SC0[0]:HE1:SE1] takes:
> > [   18.527826] (____ptrval____)
> > (&(&xprt->transport_lock)->rlock){+.?.}, at: xprt_destroy+0x70/0xe0
> > [   18.536648] {IN-SOFTIRQ-W} state was registered at:
> > [   18.541543]   lock_acquire+0xc8/0x23c

Prior to Linux 5.3, ->transport_lock needs spin_lock_bh() and=20
spin_unlock_bh().

Thanks,
NeilBrown