From: Guenter Roeck <linux@roeck-us.net>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Petr Mladek <pmladek@suse.com>
Cc: Shreyas Joshi <shreyas.joshi@biamp.com>,
rostedt@goodmis.org, shreyasjoshi15@gmail.com,
linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH] printk: handle blank console arguments passed in.
Date: Tue, 6 Oct 2020 07:22:54 -0700 [thread overview]
Message-ID: <7d512002-e33c-198f-52df-a89a30bc665b@roeck-us.net> (raw)
In-Reply-To: <20201006133319.GA178176@jagdpanzerIV.localdomain>
On 10/6/20 6:33 AM, Sergey Senozhatsky wrote:
> On (20/10/06 11:54), Petr Mladek wrote:
>> On Tue 2020-10-06 15:59:07, Sergey Senozhatsky wrote:
>>> On (20/10/05 20:35), Guenter Roeck wrote:
>>>> On a side note, I don't see the problem presumably fixed with this
>>>> patch in any of my tests.
>>>
>>> Hmm. This is rather interesting. Empty console= certainly oops-es my laptop,
>>
>> Just by chance. Do you have any log with the Oops? Or does it die
>> silently?
>
> The laptop in question has fbdev and no serial. It dies with blank screen.
> I'll try to dig it and get some backtrace or anything useful.
>
Some versions of systemd (and possibly other distributions) apparently
react allergic if no console is present. See [1]. Maybe that is what
happens with your laptop ?
That exchange leads to the question what should be done with /dev/console
if there is no console. On Chromebooks we see an error when trying
to open it if I recall correctly.
Guenter
---
[1] https://github.com/systemd/systemd/issues/13332
next prev parent reply other threads:[~2020-10-06 14:22 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-09 5:29 [PATCH] printk: handle blank console arguments passed in Shreyas Joshi
2020-03-17 1:34 ` Shreyas Joshi
2020-03-17 1:39 ` Steven Rostedt
2020-03-17 2:01 ` Sergey Senozhatsky
2020-03-17 2:17 ` Shreyas Joshi
2020-03-17 8:22 ` Sergey Senozhatsky
2020-05-22 6:46 ` Shreyas Joshi
2020-05-22 6:53 ` Shreyas Joshi
2020-05-22 10:00 ` Petr Mladek
2020-10-06 2:59 ` Sergey Senozhatsky
2020-10-06 3:35 ` Guenter Roeck
2020-10-06 5:08 ` Greg Kroah-Hartman
2020-10-06 11:17 ` Guenter Roeck
2020-10-06 6:59 ` Sergey Senozhatsky
2020-10-06 9:54 ` Petr Mladek
2020-10-06 13:33 ` Sergey Senozhatsky
2020-10-06 14:22 ` Guenter Roeck [this message]
2020-10-06 16:08 ` Sergey Senozhatsky
2020-10-06 9:52 ` Petr Mladek
2020-10-06 10:45 ` Guenter Roeck
2020-10-06 13:43 ` Petr Mladek
2020-10-06 16:35 ` Petr Mladek
2020-10-06 17:15 ` Sergey Senozhatsky
2020-10-07 7:28 ` Petr Mladek
2020-10-07 12:30 ` Sergey Senozhatsky
2020-10-07 14:39 ` Sergey Senozhatsky
2020-10-07 15:57 ` Guenter Roeck
2020-10-07 16:29 ` Sergey Senozhatsky
2020-10-08 5:52 ` Sergey Senozhatsky
2020-10-08 9:01 ` Petr Mladek
2020-10-08 10:56 ` Sergey Senozhatsky
2020-10-08 12:05 ` Sergey Senozhatsky
2020-10-22 11:38 ` Petr Mladek
2020-10-22 13:32 ` Sergey Senozhatsky
2020-10-08 8:50 ` Petr Mladek
2020-10-08 12:20 ` Sergey Senozhatsky
2020-10-08 12:37 ` Sergey Senozhatsky
2020-05-15 15:24 ` Petr Mladek
2020-05-20 11:50 ` Sergey Senozhatsky
2020-05-22 6:40 ` Shreyas Joshi
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