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Date: Fri, 27 Jan 2012 17:42:21 +0100
From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: LKML <linux-kernel@vger.kernel.org>,
	wireless <linux-wireless@vger.kernel.org>
Subject: Re: Kernel BUG due to kernel page fault
Message-ID: <20120127164219.GE19323@redhat.com> (sfid-20120127_174243_816028_125B42D2)
References: <4F21D57F.7090103@lwfinger.net>
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On Thu, Jan 26, 2012 at 04:36:47PM -0600, Larry Finger wrote:
> Modules linked in: fuse autofs4 snd_pcm_oss snd_mixer_oss snd_seq
> snd_seq_device edd nfs nfsd lockd auth_rpcgss nfs_acl sunrpc
> exportfs ipv6 vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
> RIP: 0010:[<ffffffff811e3ecb>]  [<ffffffff811e3ecb>] strnlen+0xb/0x30
[snip]
> Call Trace:
>  [<ffffffff811e58ae>] string.isra.4+0x3e/0xd0
>  [<ffffffff811e6889>] vsnprintf+0x219/0x600
>  [<ffffffff81153093>] seq_printf+0x53/0x80
>  [<ffffffff811e21db>] ? radix_tree_lookup+0xb/0x10
>  [<ffffffff810ba5ab>] show_interrupts+0x24b/0x300
>  [<ffffffff81153474>] seq_read+0x2b4/0x3f0
>  [<ffffffff811531c0>] ? seq_lseek+0x100/0x100
>  [<ffffffff8118b651>] proc_reg_read+0x81/0xc0
>  [<ffffffff8112f967>] vfs_read+0xa7/0x160
>  [<ffffffff8112fa65>] sys_read+0x45/0x90
>  [<ffffffff813a33a2>] system_call_fastpath+0x16/0x1b

This is call trace from cat /proc/interrupts, seems something pass
malformed string to request_irq(). I do not think this is rtlwifi,
rather that vbox thing.

Stanislaw