lkml.org 
[lkml]   [2006]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: 2.6.19-rc[1-4]: boot fail with (lapic && on_battery)
    From
    Date
    On Wed, 2006-11-01 at 00:27 +0000, Sergio Monteiro Basto wrote:
    > On Tue, 2006-10-31 at 22:27 +0100, Ernst Herzberg wrote:
    > > With 2.6.18.x everything works fine.
    > >
    > > But 2.16.19-rc does not boot if the laptop runs on battery _and_ lapic
    > > is
    > > defined as boot parameter.
    > >
    > > The kernel loads and starts, for a fraction of a second some messages
    > > appears,
    > > then the screen goes blank and nothing more happens.
    > >
    > > I'm unable to read the last message, screen blanking is to fast, but
    > > the
    > > 'picture' looks like that he stops near the messages where at the
    > > normal
    > > boot demsg "Local APIC disabled by BIOS -- you can enable it with
    > > "lapic""
    > > appears.
    >
    > Hi,
    > If you don't enable lapic, you will see cat /proc/interrupts with
    > XT-PIC.
    > if you try enable lapic, somehow IRQ routing should change
    > and if /proc/interrupts still the same, with IRQs on XT-PIC.
    > I think, lapic still not enable and you just get problems.
    > Unless you know that lapic works, you should try it enable because it a
    > trap that just give you a problem.
    > Some years ago (2002/3) was a very common bug kernel try enable
    > automatically lapic (when BIOS don't) and computer hangs .
    >
    >

    s/you should try/you shouldn't try/


    --
    Sérgio M.B.
    [unhandled content-type:application/x-pkcs7-signature]
    \
     
     \ /
      Last update: 2006-11-01 02:17    [W:3.696 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site