linux-kernel - Re: OOPS: 2.6.24-rc5-mm1 -- EIP is at r_show+0x2a/0x70 -- (triggered by "cat /proc/iomem")

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Message-ID: <5102.1198150640@redhat.com>
Date:	Thu, 20 Dec 2007 11:37:20 +0000
From:	David Howells <dhowells@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	dhowells@...hat.com, Miles Lane <miles.lane@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Russell King <rmk+lkml@....linux.org.uk>
Subject: Re: OOPS: 2.6.24-rc5-mm1 -- EIP is at r_show+0x2a/0x70 -- (triggered by "cat /proc/iomem")

Andrew Morton <akpm@...ux-foundation.org> wrote:

> I would be suspecting iget-stop-procfs-from-using-iget-and-read_inode.patch.

I think your suspicions are very unlikely.  The patch only affects
proc_get_inode() - and looking at the patch backtrace, it looks like the
system is successfully past that already (it's unlikely that
proc_reg_read+0x60/0x74 would have been reached otherwise).

If my patch to procfs is wrong, it would affect all proc files and ought be
immediately detectable.

David
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