lkml.org 
[lkml]   [2015]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 00/23] x86: Cleanup apic/ioapic/x2apic setup code
On Wed, 21 Jan 2015, Jiang Liu wrote:
> On 2015/1/16 19:05, Thomas Gleixner wrote:
> Hi Thomas,
> With above patch applied, it just gives a blank screen
> instead of a panic when booting on my problematic laptop.
> Now I have found the root cause of the failure on my laptop.
> On i386, it triggers BUG_ON(!apic->apic_id_registered())
> in function setup_local_APIC() because apic_bsp_up_setup() is called
> too late. So we need a simple patch as below. With following patch
> applied, it boots successfully with your original patch.

Duh. Right you are. I wonder why this boots on any other
machine. Seems there is some more magic in this setup maze.

Thanks,

tglx


\
 
 \ /
  Last update: 2015-01-21 10:41    [W:0.147 / U:0.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site