Re: PCI/e1000 BUG: unable to handle kernel paging request at 0ffff163

From: Yinghai Lu
Date: Thu Sep 06 2012 - 13:24:35 EST


On Thu, Sep 6, 2012 at 2:05 AM, Fengguang Wu <fengguang.wu@xxxxxxxxx> wrote:
>
> The root cause is memory corruption by the isdnloop driver:
>
> ==> [ 9.345694] isdnloop-ISDN-driver Rev 1.11.6.7
> ==> [ 9.347484] isdnloop: (loop0) virtual card added
> [ 9.348444] bus: 'usb': driver_probe_device: matched device 1-1:2.0 with driver cdc_acm
> [ 9.349773] bus: 'usb': really_probe: probing driver cdc_acm with device 1-1:2.0
> [ 9.350967] cdc_acm 1-1:2.0: This device cannot do calls on its own. It is not a modem.
> [ 9.353255] cdc_acm 1-1:2.0: ttyACM0: USB ACM device
> [ 9.354137] BUG: unable to handle kernel paging request at 0ffff163
> [ 9.355214] IP: [<0ffff163>] 0xffff162
> [ 9.355869] *pde = 00000000

good.
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