Ubuntu hangs after replugging the modem

Posted by Iftekhar Ahmed Shafi on Ask Ubuntu See other posts from Ask Ubuntu or by Iftekhar Ahmed Shafi
Published on 2012-06-14T04:37:12Z Indexed on 2012/06/25 15:23 UTC
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Filed under:

12.04

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kernel

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usb-modem

I am facing this issue on Ubuntu 12.04, which is for my Wimax modem with beceem chipset.

If I replug the device Ubuntu goes in hang state. Its happens very often. If I plug the USB and restart it works most of the time. But it is very annoying to restart every time it hangs. The modem works smoothly in Windows 7. And it used to work OK in Ubuntu 11.10.

Jun 13 19:25:54 iftekhar-HP-520-Notebook-PC dbus[1102]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
Jun 13 19:25:54 iftekhar-HP-520-Notebook-PC dbus[1102]: [system] Successfully activated service 'org.freedesktop.UDisks'
Jun 13 19:26:00 iftekhar-HP-520-Notebook-PC goa[2168]: goa-daemon version 3.4.0 starting [main.c:112, main()]
Jun 13 19:26:47 iftekhar-HP-520-Notebook-PC udevd[432]: timeout 'cdrom_id --lock-media /dev/sr1'
Jun 13 19:26:48 iftekhar-HP-520-Notebook-PC udevd[432]: timeout: killing 'cdrom_id --lock-media /dev/sr1' [1072]
Jun 13 19:26:49 iftekhar-HP-520-Notebook-PC kernel: [   85.820162] sr 2:0:0:0: Device offlined - not ready after error recovery
Jun 13 19:26:49 iftekhar-HP-520-Notebook-PC udevd[432]: timeout: killing 'cdrom_id --lock-media /dev/sr1' [1072]
Jun 13 19:27:20  udevd[432]: last message repeated 31 times
Jun 13 19:27:25  udevd[432]: last message repeated 4 times

What can I do to avoid this hangs and restarts?

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