From: Petr Mladek <pmladek@suse.com>
To: Shuah Khan <skhan@linuxfoundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
David Gow <davidgow@google.com>,
Brendan Higgins <brendanhiggins@google.com>,
Senozhatsky <sergey.senozhatsky@gmail.com>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kunit: tool: Force the use of the 'tty' console for UML
Date: Tue, 5 Jan 2021 17:21:57 +0100 [thread overview]
Message-ID: <X/SSJQ+I5zEMaYYJ@alley> (raw)
In-Reply-To: <4ae7779c-15c5-0474-5840-44531dcf1d94@linuxfoundation.org>
On Mon 2021-01-04 09:23:57, Shuah Khan wrote:
> On 12/22/20 4:11 AM, Andy Shevchenko wrote:
> > On Mon, Dec 21, 2020 at 11:39:00PM -0800, David Gow wrote:
> > > kunit_tool relies on the UML console outputting printk() output to the
> > > tty in order to get results. Since the default console driver could
> > > change, pass 'console=tty' to the kernel.
> > >
> > > This is triggered by a change[1] to use ttynull as a fallback console
> > > driver which -- by chance or by design -- seems to have changed the
> > > default console output on UML, breaking kunit_tool. While this may be
> > > fixed, we should be less fragile to such changes in the default.
> > >
> > > [1]:
> > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=757055ae8dedf5333af17b3b5b4b70ba9bc9da4e
> >
> > Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> >
>
> Thank you all. Now in linux-kselftest kunit-fixes branch.
>
> Will send this up for rc3.
>
> Sorry for the delay - have been away from the keyboard for a
> bit.
JFYI, I am not sure that this is the right solution. I am
looking into it, see
https://lore.kernel.org/linux-kselftest/X%2FSRA1P8t+ONZFKb@alley/
for more details.
Best Regards,
Petr
next prev parent reply other threads:[~2021-01-05 16:22 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-22 7:39 [PATCH] kunit: tool: Force the use of the 'tty' console for UML David Gow
2020-12-22 11:11 ` Andy Shevchenko
2021-01-04 16:23 ` Shuah Khan
2021-01-05 16:21 ` Petr Mladek [this message]
2021-01-05 16:34 ` Shuah Khan
2021-01-05 18:57 ` Andy Shevchenko
2021-01-05 19:52 ` Shuah Khan
2021-01-06 4:29 ` David Gow
2021-01-07 16:53 ` Petr Mladek
2021-01-07 18:13 ` Shuah Khan
2020-12-27 20:00 ` Brendan Higgins
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=X/SSJQ+I5zEMaYYJ@alley \
--to=pmladek@suse.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=brendanhiggins@google.com \
--cc=davidgow@google.com \
--cc=kunit-dev@googlegroups.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=sergey.senozhatsky.work@gmail.com \
--cc=sergey.senozhatsky@gmail.com \
--cc=skhan@linuxfoundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox