From: "H. Peter Anvin" <hpa@zytor.com>
To: Shea Levy <shea@shealevy.com>
Cc: linux-kernel@vger.kernel.org, matt.fleming@intel.com
Subject: Re: EFI Boot Stub Early Console
Date: Mon, 12 Mar 2012 15:23:25 -0700 [thread overview]
Message-ID: <4F5E775D.7080702@zytor.com> (raw)
In-Reply-To: <4F5E761B.7010608@shealevy.com>
On 03/12/2012 03:18 PM, Shea Levy wrote:
> On 3/12/12 6:11 PM, H. Peter Anvin wrote:
>> On 03/12/2012 12:00 PM, Shea Levy wrote:
>>> On 3/12/12 2:56 PM, Shea Levy wrote:
>>>> console=tty0
>>> Sorry, that should have been console=ttyS0
>> Have you tried earlyprintk=serial,ttyS0?
>>
>> -hpa
>>
>
> Just tried. Still nothing in the VirtualBox window, serial port showed
> boot output up until "[ 0.000000] console [tty0] enabled, bootconsole
> disabled", when the rest of the boot process happened in VirtualBox.
>
That sounds like one would expect, no?
I don't think anyone has implemented an EFI earlyconsole yet, and you
can't rely on EFI handing over the screen in a mode the kernel can
handle with earlyconsole=vga, so there aren't really any other alternatives.
-hpa
next prev parent reply other threads:[~2012-03-12 22:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 18:56 EFI Boot Stub Early Console Shea Levy
2012-03-12 19:00 ` Shea Levy
2012-03-12 22:11 ` H. Peter Anvin
2012-03-12 22:18 ` Shea Levy
2012-03-12 22:23 ` H. Peter Anvin [this message]
2012-03-12 22:28 ` Shea Levy
2012-03-17 13:12 ` Shea Levy
2012-03-18 11:21 ` Matt Fleming
2012-03-18 12:10 ` Shea Levy
2012-03-19 8:47 ` Matt Fleming
2012-03-19 15:56 ` Alan Cox
2012-03-19 16:02 ` Shea Levy
2012-03-19 16:03 ` Matt Fleming
2012-03-20 15:45 ` Maarten Lankhorst
2012-03-20 16:43 ` H. Peter Anvin
[not found] ` <CAOhV88Om7hKHeaGNp-PtFkn=y0T9EBQCbPSBE58vOYQ2+Genew@mail.gmail.com>
2012-03-18 4:29 ` Shea Levy
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