From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Mikael Pettersson <mikpe@csd.uu.se>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
linuxppc-dev list <linuxppc-dev@lists.linuxppc.org>
Subject: Re: non-modular 2.6 ppc kernels miscompiled by gcc-3.3.1?
Date: Sun, 12 Oct 2003 15:19:22 +0200 [thread overview]
Message-ID: <1065964761.993.34.camel@gaston> (raw)
In-Reply-To: <200310121310.h9CDASEI006119@harpo.it.uu.se>
On Sun, 2003-10-12 at 15:10, Mikael Pettersson wrote:
> When I compile a non-modular 2.6 kernel for ppc with gcc-3.3.1,
> it oopses in __copy_tofrom_user() [copy_mount_options()] in
> user-space's first mount /proc call. User-space limps along
> for a while, oopsing in every mount call, and then hangs.
>
> This occurs with 2.6.0-test5, test6, and the test7-based
> linuxppc-2.5 tree (rsync:ed today).
>
> Enabling CONFIG_MODULES=y but still keeping everything built-in
> prevents the oopses.
Smells like some section alignement issues. Can you check
how the __ex_table section is aligned and where __start___ex_table
points to ? (using objdump)
Ben.
next prev parent reply other threads:[~2003-10-12 13:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-12 13:10 Mikael Pettersson
2003-10-12 13:19 ` Benjamin Herrenschmidt [this message]
2003-10-12 18:19 ` Sam Ravnborg
2003-10-13 16:05 ` Tom Rini
2003-10-12 19:47 Mikael Pettersson
2003-10-12 19:53 ` Sam Ravnborg
2003-10-12 21:45 Mikael Pettersson
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