Looks like that device isn't properly being detected, but this shouldn't
normally cause the kernel to lock up.
Reassigning to 'linux' so it can be looked at with the option driver or
part of the serial stack. We've had this kind of issues before with at
least the ZTE MF636.
Once freezes can be fixed it will be easier to make sure the support for
the device works properly.
Apr 26 15:28:02 xehxeltic kernel: [ 2497.432509] option:
option_instat_callback: error -108
Apr 26 15:28:02 xehxeltic kernel: [ 2497.432981] option1 ttyUSB0: GSM modem
(1-port) converter now disconnected from ttyUSB0
Apr 26 15:28:02 xehxeltic kernel: [ 2497.433050] option 1-3:1.0: device
disconnected
Apr 26 15:28:12 xehxeltic kernel: [ 2507.188133] tty_ldisc_hangup: waiting
(usb-storage) for ttyUSB1 took too long, but we keep waiting...
Apr 26 15:28:14 xehxeltic modem-manager[875]: <warn> (ttyUSB1): open blocked
by driver for more than 7 seconds!
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/982283
Title:
Huawei e160 modem isn't always detected. Freezes computer briefly.
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