linux-kernel - Re: [PATCH v5 3/3] serial: core: Fix serial core controller port name to show controller id

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Date:   Thu, 3 Aug 2023 09:52:49 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     kernel test robot <oliver.sang@...el.com>, oe-lkp@...ts.linux.dev,
        lkp@...el.com, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        Dhruva Gole <d-gole@...com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        John Ogness <john.ogness@...utronix.de>,
        Johan Hovold <johan@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH v5 3/3] serial: core: Fix serial core controller port
 name to show controller id

* Mark Brown <broonie@...nel.org> [230802 18:20]:
> On Wed, Aug 02, 2023 at 04:15:28PM +0800, kernel test robot wrote:
> 
> > kernel test robot noticed machine hang on:
> 
> > commit: 4de64f4800a581e7eeba6392b3b2ce2131195145 ("[PATCH v5 3/3] serial: core: Fix serial core controller port name to show controller id")
> > url: https://github.com/intel-lab-lkp/linux/commits/Tony-Lindgren/serial-core-Controller-id-cannot-be-negative/20230725-134452
> > base: https://git.kernel.org/cgit/linux/kernel/git/gregkh/tty.git tty-testing
> > patch link: https://lore.kernel.org/all/20230725054216.45696-4-tony@atomide.com/
> > patch subject: [PATCH v5 3/3] serial: core: Fix serial core controller port name to show controller id
> > 
> > in testcase: boot
> > 
> > compiler: gcc-12
> > test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz (Cascade Lake) with 512G memory
> 
> I've also bisected this commit as causing boot hangs on at least the
> i.MX8MP-EVK, though most of the boards in my lab and a huge swathe of
> those in KernelCI are out:
> 
>    https://linux.kernelci.org/test/job/next/branch/master/kernel/next-20230802/plan/baseline/
> 
> which is having a pretty devastating effect on -next testing.

Yes sorry about that, I should have noticed it right away. I thought I
still had my test machine set to use the console=DEVNAME:0.0 style
naming and I mostly test over ssh and was just looking at the DEVNAME.

Regards,

Tony