From: Larry Finger <Larry.Finger@lwfinger.net>
To: Paul Burton <paul.burton@imgtec.com>,
Michael Ellerman <mpe@ellerman.id.au>
Cc: Andreas Schwab <schwab@linux-m68k.org>,
Andrew Morton <akpm@linux-foundation.org>,
Borislav Petkov <bp@suse.de>, Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2] console: use first console if stdout-path device doesn't appear
Date: Mon, 31 Oct 2016 10:58:17 -0500 [thread overview]
Message-ID: <61cdc997-61e8-7f30-ba19-35f692a39458@lwfinger.net> (raw)
In-Reply-To: <20161031121455.23280-1-paul.burton@imgtec.com>
On 10/31/2016 07:14 AM, Paul Burton wrote:
> If a device tree specified a preferred device for kernel console output
> via the stdout-path or linux,stdout-path chosen node properties there's
> no guarantee that it will have specified a device for which we have a
> driver. It may also be the case that we do have a driver but it doesn't
> call of_console_check() to register as a preferred console (eg. offb
> driver as used on powermac systems). In these cases try to ensure that
> we provide some console output by enabling the first usable registered
> console, which we keep track of with the of_fallback_console variable.
>
> Tested in QEMU with a PowerPC pseries_defconfig kernel.
The patch fails to fix my real PowerPC. I still get a kernel panic for an
attempt to kill init. This first test was done with 4.9-rc2. I am in the process
of updating to -rc3 to see if that changes anything. Later today when that build
finishes, I will report those results.
Larry
next prev parent reply other threads:[~2016-10-31 15:58 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-09 12:50 [PATCH] console: Don't prefer first registered if DT specifies stdout-path Paul Burton
2016-08-09 14:12 ` kbuild test robot
2016-08-09 15:10 ` kbuild test robot
2016-08-09 15:19 ` [PATCH v2] " Paul Burton
2016-08-09 21:57 ` Andrew Morton
2016-10-16 18:07 ` Andreas Schwab
2016-10-17 10:33 ` Paul Burton
2016-10-17 17:39 ` Andreas Schwab
2016-10-18 9:18 ` [PATCH] console: use first console if stdout-path device doesn't appear Paul Burton
2016-10-18 18:58 ` Andreas Schwab
2016-10-30 9:46 ` Andreas Schwab
2016-10-31 5:28 ` Michael Ellerman
2016-10-31 12:14 ` [PATCH v2] " Paul Burton
2016-10-31 15:50 ` Paul Burton
2016-10-31 19:21 ` Larry Finger
2016-10-31 23:09 ` Sergey Senozhatsky
2016-10-31 23:31 ` Larry Finger
2016-11-03 12:57 ` [PATCH v3] " Paul Burton
2016-11-03 17:40 ` Sergey Senozhatsky
2016-11-03 21:17 ` Paul Burton
2016-11-04 15:44 ` Sergey Senozhatsky
2016-11-04 8:05 ` Andreas Schwab
[not found] ` <8737j3n18r.fsf@concordia.ellerman.id.au>
2016-11-07 9:18 ` Paul Burton
2016-11-07 15:26 ` Larry Finger
2016-11-07 17:21 ` Paul Burton
2016-11-07 18:27 ` Larry Finger
2016-11-08 13:21 ` revert 05fd007e46296afb (was: [PATCH v3] console: use first console if stdout-path device doesn't appear) Sergey Senozhatsky
2016-11-03 13:04 ` [PATCH v2] console: use first console if stdout-path device doesn't appear Paul Burton
2016-11-01 4:39 ` Michael Ellerman
2016-10-31 15:58 ` Larry Finger [this message]
2016-10-31 12:23 ` [PATCH] " Paul Burton
2016-10-18 9:21 ` [PATCH v2] console: Don't prefer first registered if DT specifies stdout-path Paul Burton
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=61cdc997-61e8-7f30-ba19-35f692a39458@lwfinger.net \
--to=larry.finger@lwfinger.net \
--cc=akpm@linux-foundation.org \
--cc=bp@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=paul.burton@imgtec.com \
--cc=pmladek@suse.com \
--cc=schwab@linux-m68k.org \
--cc=sergey.senozhatsky@gmail.com \
--cc=tj@kernel.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;
as well as URLs for NNTP newsgroup(s).