Re: [REGRESSION] 2.6.24-rc1 fails to boot on a 486

[Ingo Molnar]

* Mikael Pettersson <mikpe@xxxxxxxx> wrote:

> On Sun, 28 Oct 2007 21:33:02 -0700, H. Peter Anvin wrote:
> > Mikael Pettersson wrote:
> > > My old 486 fails to boot with the 2.6.24-rc1 kernel.
> > > Grub loads it, 4 lines of text appear but not the kernel's
> > > "Linux version <blah> greet", and the machine reboots.
> > > Double-checked with a serial console: nothing appears
> > > before it reboots.
> > 
> > What four lines of text?
> 
> They're impossible to capture because they're only visible on the VGA 
> screen for like 0.2 seconds before the machine reboots and the screen 
> is blanked; they don't show up on the serial console.

the way i debug these is to take a digital camera and make a movie of 
the bootup, then check the movie frame for frame.

admittedly it's a pretty sick method.

	Ingo
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