Messages in this thread | | | Date | Thu, 7 Nov 2013 20:00:12 +0800 | From | Dave Young <> | Subject | Re: [PATCH] efi earlyprintk fix |
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On 11/06/13 at 08:49am, Matt Fleming wrote: > 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?
I tried both grub and efi stub. The messages seems come from the n-1 line of the screen. I did not set any parameters by myself.
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