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From: "Maciej W. Rozycki" <macro@linux-mips.org>
To: Peter Hurley <peter@hurleysoftware.com>
Cc: Nathan Zimmer <nzimmer@sgi.com>, Sean Young <sean@mess.org>,
	Linux kernel mailing list <linux-kernel@vger.kernel.org>,
	"linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Cox <alan@linux.intel.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: console issue since 3.6, console=ttyS1 hangs
Date: Sat, 5 Nov 2016 23:44:34 +0000 (GMT)	[thread overview]
Message-ID: <alpine.LFD.2.20.1611052336380.17811@eddie.linux-mips.org> (raw)
In-Reply-To: <CAKU3ayWH9najj+Gpw8Zmpxgq40s8J_dXAyo9oBbbdG55brO6Sw@mail.gmail.com>

On Fri, 4 Nov 2016, Peter Hurley wrote:

> > These bios screens do not have any mention of PNP settings.
> > I am getting output over the console (via ipmi) until the boot hangs.
> 
> Yeah, probably the device actually decodes io address access anyway,
> but in the disabled state probably has not routed IRQ.
> 
> I have no idea how to help you with the bios, sorry.

 I'd look out for serial port, Super-I/O or COM1 port (which is how PC-DOS 
named the device some 35 years ago) settings rather than anything to do 
with PNP.  Typically you'd be able to choose from a few classic combined 
I/O space address and IRQ assignments in addition to a `Disabled' setting.

 There might be a genuine BIOS bug there as well of course as serial ports 
seem to be less used these days and the issue may have escaped validation.

  Maciej

  reply	other threads:[~2016-11-05 23:44 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-17 14:49 console issue since 3.6, console=ttyS1 hangs Nathan Zimmer
2016-10-17 15:19 ` Sean Young
2016-10-17 16:41   ` Nathan Zimmer
2016-10-18 16:40     ` Nathan Zimmer
2016-10-18 18:05       ` Sean Young
2016-10-18 19:29         ` Nathan Zimmer
2016-10-19  9:07           ` Sean Young
2016-10-19 22:13             ` Nathan Zimmer
2016-10-20 20:10               ` Sean Young
2016-10-21 15:55                 ` Nathan Zimmer
2016-10-24 13:52                   ` Sean Young
2016-10-24 21:49                     ` Nathan Zimmer
2016-10-25 20:41                       ` Sean Young
2016-10-26 18:16                         ` Nathan Zimmer
2016-10-27 20:19                           ` Sean Young
2016-10-28 19:42                             ` Nathan Zimmer
2016-10-29 21:16                               ` Sean Young
2016-10-30 16:01                                 ` Nathan
2016-10-28 19:55                             ` Nathan
2016-10-30 15:33                             ` Nathan
2016-10-31 20:27                               ` Sean Young
2016-11-01  2:55                                 ` Peter Hurley
2016-11-02 15:29                                   ` Nathan Zimmer
2016-11-04  0:25                                     ` Peter Hurley
2016-11-04 21:33                                       ` Nathan Zimmer
2016-11-04 22:18                                         ` Peter Hurley
2016-11-05 23:44                                           ` Maciej W. Rozycki [this message]
2016-11-07 15:40                                             ` Nathan Zimmer
2016-11-22 15:30                                             ` Nathan Zimmer

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