From: Vineet Gupta <vgupta@synopsys.com>
To: John Ogness <john.ogness@linutronix.de>,
Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Guenter Roeck <linux@roeck-us.net>,
Shreyas Joshi <shreyas.joshi@biamp.com>,
shreyasjoshi15@gmail.com,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
linux-kernel@vger.kernel.org, buildroot@busybox.net,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
linux-arch@vger.kernel.org,
arcml <linux-snps-arc@lists.infradead.org>
Subject: Re: ARC no console output (was Re: [PATCH 1/2] init/console: Use ttynull as a fallback when there is no console)
Date: Thu, 7 Jan 2021 08:43:16 -0800 [thread overview]
Message-ID: <50ade852-c598-6476-1f4b-9a3f8d11d143@synopsys.com> (raw)
In-Reply-To: <8735zdm86m.fsf@jogness.linutronix.de>
Hi John,
On 1/7/21 1:02 AM, John Ogness wrote:
> Hi Vineet,
>
> On 2021-01-06, Vineet Gupta <vgupta@synopsys.com> wrote:
>> This breaks ARC booting (no output on console).
>
> Could you provide the kernel boot arguments that you use? This series is
> partly about addressing users that have used boot arguments that are
> technically incorrect (even if had worked). Seeing the boot arguments of
> users that are not experiencing problems may help to reveal some of the
> unusual console usages until now.
Kernel command line: earlycon=uart8250,mmio32,0xf0005000,115200n8
console=ttyS0,115200n8 debug print-fatal-signals=1
And we do have serial driver built-in.
Thx,
-Vineet
next prev parent reply other threads:[~2021-01-07 16:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-11 13:54 [PATCH 0/2] printk/console: Use ttynull when no console is available or wanted Petr Mladek
2020-11-11 13:54 ` [PATCH 1/2] init/console: Use ttynull as a fallback when there is no console Petr Mladek
2020-11-11 16:36 ` Greg Kroah-Hartman
2020-11-11 22:52 ` Guenter Roeck
2020-11-11 23:58 ` Sergey Senozhatsky
2020-11-12 0:17 ` Sergey Senozhatsky
2020-11-12 1:45 ` Sergey Senozhatsky
2020-11-16 16:20 ` Petr Mladek
2021-01-06 23:36 ` ARC no console output (was Re: [PATCH 1/2] init/console: Use ttynull as a fallback when there is no console) Vineet Gupta
2021-01-07 9:02 ` John Ogness
2021-01-07 13:14 ` Greg Ungerer
2021-01-07 16:43 ` Vineet Gupta [this message]
2021-01-07 17:04 ` Petr Mladek
2021-01-07 17:58 ` Vineet Gupta
2021-01-08 3:48 ` Sergey Senozhatsky
2021-01-08 5:18 ` Vineet Gupta
2021-01-08 9:30 ` Petr Mladek
2021-01-13 22:07 ` Peter Korsgaard
2021-01-07 9:09 ` Richard Weinberger
2021-01-07 12:48 ` Petr Mladek
2021-01-07 15:27 ` [Buildroot] " Yann E. MORIN
2020-11-11 13:54 ` [PATCH 2/2] printk/console: Allow to disable console output by using console="" or console=null Petr Mladek
2020-11-11 22:52 ` Guenter Roeck
2020-11-11 23:59 ` Sergey Senozhatsky
2020-11-20 14:24 ` [PATCH 0/2] printk/console: Use ttynull when no console is available or wanted Petr Mladek
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