From: Henry Nestler <Henry.Ne@Arcor.de>
To: Henry Nestler <henry.nestler@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] x86: endless page faults in mount_block_root for Linux 2.6 - v2
Date: Wed, 07 May 2008 23:08:21 +0200 [thread overview]
Message-ID: <48221A45.8060602@henry.ne.arcor.de> (raw)
In-Reply-To: <48221695.7060507@henry.nestler.gmail.com>
Henry Nestler wrote:
> [...]
> checking if image is initramfs...it isn't (no cpio magic); looks like an
> initrd
> BUG: unable to handle kernel paging request at c0000e68
> IP: [<c010cb84>] __change_page_attr_set_clr+0x104/0x590
> *pde = 00000063 BUG: unable to handle kernel paging request at c0000000
> IP: [<c010c5c9>] do_page_fault+0x639/0x730
> *pde = 00000063 BUG: unable to handle kernel paging request at c0000000
> IP: [<c010c5c9>] do_page_fault+0x639/0x730
> *pde = 00000063 BUG: unable to handle kernel paging request at c0000000
> IP: [<c010c5c9>] do_page_fault+0x639/0x730
> ===== ... this never ends or with a stack overflow ... ===
>
> Shure, the "out of range address" was from buggy driver development.
> But not of adresses should kill the complete system.
>
> "__change_page_attr_set_clr" is some of the macros inside spurious_fault.
Sorry. Copy&paste error. I wand to say:
"do_page_fault+0x639/0x730" is one of the macros or inline functions
"pgd_present(*pgd)" or "pte_write(*pte)", what I can not see as label.
--
Henry N.
next prev parent reply other threads:[~2008-05-07 21:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-22 22:50 [PATCH] x86: endless page faults in mount_block_root for Linux 2.6 Henry Nestler
2008-04-23 0:18 ` Henry Nestler
2008-04-28 16:46 ` Ingo Molnar
2008-04-28 22:22 ` Henry Nestler
2008-04-29 14:33 ` Ingo Molnar
2008-04-29 15:14 ` Pekka Enberg
2008-04-29 21:06 ` Henry Nestler
2008-04-29 22:24 ` Ingo Molnar
2008-04-28 16:44 ` Ingo Molnar
2008-05-07 20:52 ` [PATCH] x86: endless page faults in mount_block_root for Linux 2.6 - v2 Henry Nestler
2008-05-07 21:08 ` Henry Nestler [this message]
2008-05-07 23:03 ` H. Peter Anvin
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