On Thu, Sep 6, 2012 at 2:05 AM, Fengguang Wu <fengguang...@intel.com> 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
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