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Date: Mon, 17 Oct 2005 13:22:42 -0700
From: Andrew Morton <akpm@osdl.org>
To: Brice Goglin <Brice.Goglin@ens-lyon.org>
Cc: linux-kernel@vger.kernel.org, Dmitry Torokhov <dtor_core@ameritech.net>,
       Vojtech Pavlik <vojtech@suse.cz>, Greg KH <greg@kroah.com>
Subject: Re: 2.6.14-rc4-mm1
Message-Id: <20051017132242.2b872b08.akpm@osdl.org>
In-Reply-To: <43539762.2020706@ens-lyon.org>
References: <20051016154108.25735ee3.akpm@osdl.org>
	<43539762.2020706@ens-lyon.org>
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Brice Goglin <Brice.Goglin@ens-lyon.org> wrote:
>
> Le 17.10.2005 00:41, Andrew Morton a ?crit :
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.14-rc4/2.6.14-rc4-mm1/
> > 
> > - Lots of i2c, PCI and USB updates
> > 
> > - Large input layer update to convert it all to dynamic input_dev allocation
> > 
> > - Significant x86_64 updates
> > 
> > - MD updates
> > 
> > - Lots of core memory management scalability rework
> 
> Hi Andrew,
> 
> I got the following oops during the boot on my laptop (Compaq Evo N600c).
> .config is attached.
> 
> Regards,
> Brice
> 
> 
> IBM TrackPoint firmware: 0x0b, buttons: 2/3
> input: TPPS/2 IBM TrackPoint//class/input_dev as input2
> hw_random hardware driver 1.0.0 loaded
> NET: Registered protocol family 23
> parport: PnPBIOS parport detected.
> parport0: PC-style at 0x378, irq 7 [PCSPP(,...)]
> c01dda09
> PREEMPT
> Modules linked in: pcspkr parport_pc parport irtty_sir sir_dev irda
> crc_ccitt hw_random uhci_hcd usbcore snd_maestro3 snd_ac97_codec
> snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc
> snd soundcore yenta_socket rsrc_nonstatic pcmcia_core nls_iso8859_15
> nls_cp850 vfat fat nls_base psmouse
> CPU:    0
> EIP:    0060:[<c01dda09>]    Not tainted VLI
> EFLAGS: 00010246   (2.6.14-rc4-mm1=LoulousMobile)
> EIP is at get_kobj_path_length+0x19/0x30
> eax: 00000000   ebx: 00000000   ecx: ffffffff   edx: e6efee50
> esi: 00000001   edi: 00000000   ebp: e737eec8   esp: e737eebc
> ds: 007b   es: 007b   ss: 0068
> Process sed (pid: 3258, threadinfo=e737e000 task=e7970a90)
> Stack: e6efe800 00000001 e6de4000 e737eee8 c01dda9a e6efee50 e6de42e4
> 00000286
>        e6efe800 00000001 e6de4000 e737ef24 c02a357f e6efee50 800000d0
> 0000000f
>        00000002 0000000a 00000000 e6efe800 00000000 000002e5 000002e5
> e7e9ce60
> Call Trace:
>  [<c010414b>] show_stack+0xab/0xf0
>  [<c010433f>] show_registers+0x18f/0x230
>  [<c0104592>] die+0x102/0x1c0
>  [<c035f27a>] do_page_fault+0x33a/0x66f
>  [<c0103dbb>] error_code+0x4f/0x54
>  [<c01dda9a>] kobject_get_path+0x1a/0x70
>  [<c02a357f>] input_devices_read+0x53f/0x590
>  [<c01a2e75>] proc_file_read+0x1b5/0x260
>  [<c01689f8>] vfs_read+0xa8/0x190
>  [<c0168dc7>] sys_read+0x47/0x70
>  [<c0103325>] syscall_call+0x7/0xb
> Code: f8 89 ec 5d c3 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 8b
> 55 08 57 56 be 01 00 00 00 53 31 db 8b 3a b9 ff ff ff ff 89 d8 <f2> ae
> f7 d1 49 8b 52 24 8d 74 31 01 85 d2 75 e7 5b 89 f0 5e 5f
> <6>input: isa0061/input0//class/input_dev as input3

Something went wrong under input_devices_read().   Probably culprits cc'ed.

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