From: Matt Fleming <matt@console-pimps.org>
To: Dave Young <dyoung@redhat.com>
Cc: matt.fleming@intel.com, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, x86@kernel.org, linux-efi@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] efi earlyprintk fix
Date: Wed, 6 Nov 2013 08:49:21 +0000 [thread overview]
Message-ID: <20131106084921.GA22856@console-pimps.org> (raw)
In-Reply-To: <20131104125853.GB5118@dhcp-16-126.nay.redhat.com>
On Mon, 04 Nov, at 08:58:53PM, Dave Young wrote:
> On 11/04/13 at 10:37am, Matt Fleming wrote:
> > On Sun, 03 Nov, at 08:16:47PM, Dave Young wrote:
> > >
> > > there's below one line shift problem:
> > >
> > > ACPI=0xdabfe000 ACPI 2.0=0xdabfe014 SMBIOS=0xdaa9e000
> > > [ 0.000000] efi:
> > >
> > > In fact check efi_y and the lfb_height should be compared at the begin of the
> > > loop of early_efi_write
> >
> > Hmm... this is interesting. I can't produce this on any of my machines.
> > Where did you see this? What hardware?
>
> It's my laptop Thinkpad T420, the screen scolls very fast, I use boot_delay=500
> to verify it with my patch for moving boot_delay param an early param.
Dave, how are you booting your laptop? Are you using grub? Does the
earlyprintk output start at the bottom of the screen? Do you set any
parameters for efifb?
--
Matt Fleming, Intel Open Source Technology Center
next prev parent reply other threads:[~2013-11-06 8:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-03 12:16 [PATCH] efi earlyprintk fix Dave Young
2013-11-04 10:37 ` Matt Fleming
2013-11-04 12:58 ` Dave Young
2013-11-06 8:49 ` Matt Fleming [this message]
2013-11-07 12:00 ` Dave Young
2013-11-06 9:23 ` Dave Young
2013-11-06 9:38 ` Matt Fleming
2013-11-07 12:09 ` Dave Young
2013-11-08 10:36 ` Matt Fleming
2013-11-09 3:44 ` Dave Young
2013-11-11 16:13 ` Matt Fleming
2013-11-12 2:22 ` Dave Young
2013-12-18 9:52 ` Dave Young
2013-12-18 10:31 ` Matt Fleming
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