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From: ludo@gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel@gnu.org
Subject: Re: Coming up with a generic kernel config
Date: Fri, 27 Jun 2014 11:05:58 +0200	[thread overview]
Message-ID: <87mwcyen7t.fsf@gnu.org> (raw)
In-Reply-To: <87pphvt23l.fsf@yeeloong.lan> (Mark H. Weaver's message of "Fri, 27 Jun 2014 00:20:46 -0400")

Mark H Weaver <mhw@netris.org> skribis:

> ludo@gnu.org (Ludovic Courtès) writes:
>
>> Sree Harsha Totakura <sreeharsha@totakura.in> skribis:
>>
>>> On 06/25/2014 09:26 PM, Ludovic Courtès wrote:
>>>> 1. Serial console is unavailable when booting.  I thought that’d be
>>>>      addressed by explicitly setting CONFIG_SERIAL_8250=y etc. (see
>>>>      below for the list), but that’s not enough.  What am I missing?
>>>
>>> My kernel config has the following for serial console:
>>> CONFIG_SERIAL_NONSTANDARD=y
>>> CONFIG_SERIAL_8250=y
>>> CONFIG_SERIAL_8250_PNP=y
>>> CONFIG_SERIAL_8250_CONSOLE=y
>>> CONFIG_SERIAL_8250_DMA=y
>>> CONFIG_SERIAL_8250_PCI=y
>>> CONFIG_SERIAL_8250_EXTENDED=y
>>> CONFIG_SERIAL_8250_MANY_PORTS=y
>>> CONFIG_SERIAL_8250_SHARE_IRQ=y
>>> CONFIG_SERIAL_8250_RSA=y
>>> CONFIG_SERIAL_CORE=y
>>> CONFIG_SERIAL_CORE_CONSOLE=y
>>
>> The one I built has all these as well.  :-/
>
> I think you need to pass something like "console=ttyS0" as a kernel
> command line option.

Yes, of course.  :-)  When I wrote serial console is unavailable, I meant
it’s unavailable when I pass ‘console=ttyS0’.

Ludo’.

      reply	other threads:[~2014-06-27  9:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-25 19:26 Coming up with a generic kernel config Ludovic Courtès
2014-06-25 19:48 ` Sree Harsha Totakura
2014-06-25 20:34   ` Ludovic Courtès
2014-06-27  4:20     ` Mark H Weaver
2014-06-27  9:05       ` Ludovic Courtès [this message]

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