Bug#321902: fails to rmmod usbnet
Horms wrote:
>tag 321902 +moreinfo
>tag 321902 +upstream
>severity 321902 important
>thanks
>
>On Mon, Aug 08, 2005 at 01:30:48PM +0800, Ф???? Faris Xiao wrote:
>
>
>>Package: kernel-image-2.6.8-2-686
>>Version: 2.6.8-16
>>Severity: grave
>>Justification: renders package unusable
>>
>>I has a usb cable modem.
>>My usb cable modem use kernel driver module usbnet.
>>
>>When I am using the modem,I execute the command:
>>
>>rmmod usbnet
>>
>>The model usbnet can not be removed.
>>Also the process which execute the command can not be finished,it
>>consume the CPU 99% persistent,over and over.Even I can't use
>>
>>kill -9 "process id"
>>
>>to terminal it ,only reboot the whole computer.
>>
>>The following is the dmesg output about my usb cable modem:
>>
>>
>
>Basically this means that the process is exceuting some code
>in the kernel, and that code is stuck, perhaps in a loop,
>perhaps waiting for a lock, but regardless stuck.
>You can't kill a process until it is back in user-space,
>and if this doesn't happen, you have to reboot :(
>
>Is it possible to get the dmsg output when this occurs?
>
>
The dmsg output when this occurs:
usbcore: deregistering driver usbnet
eth1: unregister usbnet usb-0000:00:1d.0-1, CDC Ethernet Device
>That might help track down the problem, but to be honest,
>its likely quite hard to narrow this down to a simple fix
>that is appropriate for inclusion in 2.6.8, which is
>now in maintenane mode for sarge. Your best option
>is probably to try linux-image-2.6.12-1-686 from unstable.
>
>
I'd install the linux-image-2.6.12-1-686 on my computer,it hasn't this bug.
The rmmod usbnet command can exit normally.
>Thanks
>
>
>
--
肖盛文(Faris Xiao)
Email:atzlinux@gmail.com
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