Re: [PATCH -mm] console: console_drivers not initialized
From: Daniel Walker
Date: Mon Sep 25 2006 - 17:26:40 EST
On Mon, 2006-09-25 at 22:11 +0100, Russell King wrote:
> On Mon, Sep 25, 2006 at 02:07:10PM -0700, dwalker@xxxxxxxxxx wrote:
> > I was doing -rt stuff on a PPC PowerBook G4. It would always reboot
> > itself when it hit console_init() .
> > I noticed that the console code seems to want console_drivers = NULL,
> > but it never actually sets it that way. Once I added this, the reboot
> > issue was gone..
> It's a BSS variable, it _should_ be zeroed by the architecture's BSS
> initialisation. If not, it suggests there's something very _very_
> wrong in the architecture's C runtime initialisation code.
> As such, this patch is merely a band-aid, not a correct fix.
It happens on two different compilers gcc 4.1 and 3.3 .. I was using
arch/powerpc/ which is fairly new .. However, If stuff was suppose to be
zero'd and wasn't, I'd imagine this machine would be rebooting _a lot_
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/