From: Dave Hansen <dave.hansen@intel.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>, Dave Hansen <dave@sr71.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
Geert Uytterhoeven <geert+renesas@linux-m68k.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-serial@vger.kernel.org, Jiri Slaby <jslaby@suse.cz>
Subject: Re: post 3.14 serial regression
Date: Wed, 09 Apr 2014 14:19:34 -0700 [thread overview]
Message-ID: <5345B966.5070209@intel.com> (raw)
In-Reply-To: <CAMuHMdXtz_W7LCJeOG9--ZmmH4js40-urueCTbS98t8oBgnYCw@mail.gmail.com>
On 04/09/2014 01:59 PM, Geert Uytterhoeven wrote:
> On Wed, Apr 9, 2014 at 10:04 PM, Dave Hansen <dave@sr71.net> wrote:
>> On 04/09/2014 12:41 PM, Geert Uytterhoeven wrote:
>>> Dave: If I understand it correctly, you use console=ttyS2, while the kernel
>>> suddenly changed the order of the serial devices, so your port is no
>>> longer ttyS2, but ttyS4. Hence the serial port is not found, and
>>> uart_remove_one_port() is called on it, taking away your /dev/console for
>>> userspace?
>>
>> Right.
>
> Does it work with console=ttyS4?
Yes, after raising SERIAL_8250_NR_UARTS to >=6. It had been set to 4
(the Kconfig default).
next prev parent reply other threads:[~2014-04-09 21:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-08 0:23 post 3.14 serial regression Dave Hansen
2014-04-08 11:27 ` One Thousand Gnomes
2014-04-08 21:03 ` Dave Hansen
2014-04-08 21:38 ` Dave Hansen
2014-04-09 0:36 ` Greg Kroah-Hartman
2014-04-09 16:02 ` Dave Hansen
2014-04-09 19:41 ` Geert Uytterhoeven
2014-04-09 20:04 ` Dave Hansen
2014-04-09 20:59 ` Geert Uytterhoeven
2014-04-09 21:19 ` Dave Hansen [this message]
2014-04-10 11:14 ` One Thousand Gnomes
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