From: Russell King <rmk+lkml@arm.linux.org.uk>
To: dwalker@mvista.com
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm] console: console_drivers not initialized
Date: Mon, 25 Sep 2006 22:11:22 +0100 [thread overview]
Message-ID: <20060925211122.GC25257@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20060925210710.931336000@mvista.com>
On Mon, Sep 25, 2006 at 02:07:10PM -0700, dwalker@mvista.com 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.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-09-25 21:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-25 21:07 [PATCH -mm] console: console_drivers not initialized dwalker
2006-09-25 21:11 ` Russell King [this message]
2006-09-25 21:26 ` Daniel Walker
2006-09-25 21:30 ` Russell King
2006-09-25 21:42 ` Andrew Morton
2006-09-26 5:13 ` Paul Mackerras
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