linux-kernel - Re: [PATCH 5.11 000/773] 5.11.3-rc3 review

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Date:   Thu, 4 Mar 2021 23:28:07 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        open list <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuah@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, Jon Hunter <jonathanh@...dia.com>,
        linux-stable <stable@...r.kernel.org>, pavel@...x.de,
        Andrew Morton <akpm@...ux-foundation.org>,
        LTP List <ltp@...ts.linux.it>
Subject: Re: [PATCH 5.11 000/773] 5.11.3-rc3 review

On Thu, 4 Mar 2021 at 22:32, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Thu, Mar 04, 2021 at 08:52:47AM -0800, Guenter Roeck wrote:
> > On Thu, Mar 04, 2021 at 12:23:15PM +0100, Greg Kroah-Hartman wrote:
> > > On Wed, Mar 03, 2021 at 02:02:20PM +0530, Naresh Kamboju wrote:
> > > > On Wed, 3 Mar 2021 at 00:59, Greg Kroah-Hartman
> > > > <gregkh@...uxfoundation.org> wrote:
> > > > >
> > > > > This is the start of the stable review cycle for the 5.11.3 release.
> > > > > There are 773 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 Thu, 04 Mar 2021 19:25:07 +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/v5.x/stable-review/patch-5.11.3-rc3.gz
> > > > > or in the git tree and branch at:
> > > > >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.11.y
> > > > > and the diffstat can be found below.
> > > > >
> > > > > thanks,
> > > > >
> > > > > greg k-h
> > > >
> > > >
> > > > Results from Linaro’s test farm.
> > > > All our builds are getting PASS now.
> > > > But,
> > > > Regressions detected on all devices (arm64, arm, x86_64 and i386).
> > > > LTP pty test case hangup01 failed on all devices
> > > >
> > > > hangup01    1  TFAIL  :  hangup01.c:133: unexpected message 3
> > > >
> > > > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> > > >
> > > > This failure is specific to stable-rc v5.10.20-rc4 and v5.11.3-rc3
> > > > Test PASS on the v5.12-rc1 mainline and Linux next kernel.
> > > >
> > > > Following two commits caused this test failure,
> > > >
> > > >    Linus Torvalds <torvalds@...ux-foundation.org>
> > > >        tty: implement read_iter
> > > >
> > > >    Linus Torvalds <torvalds@...ux-foundation.org>
> > > >        tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer
> > > >
> > > > Test case failed link,
> > > > https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.11.y/build/v5.11.2-774-g6ca52dbc58df/testrun/4070143/suite/ltp-pty-tests/test/hangup01/log
> > > >
> > >
> > > Thanks for testing them all, I'll try to debug this later today...
> > >
> >
> > Did you see my response to v5.10.y ? It looks like two related patches
> > may be missing from v5.10.y and v5.11.y.
>
> I did, thank you, I need to get through some other tasks first before
> trying the reproducer and see if the patches you list fix it or not...

I have applied those two patches and the reported problem did not solve
on v5.10.20.

- Naresh