Jonathan Nieder <jrnie...@gmail.com> writes:
> Hi Iker,
>
> David Miller wrote:
>> From: Bjørn Mork <bj...@mork.no>
>> Date: Thu, 26 Apr 2012 14:35:10 +0200
>
>>> The same comments as for v1 regarding testing applies. This is build
>>> tested only. Should go through some functional testing before being
>>> applied.
>>
>> Well? Is anyone gonna test this?
>
> Looks like it's up to you, unless some firmware upgrade already
> made the problem go away.
>
> It works like this:
>
> 0. prerequisites:
>
> apt-get install git build-essential
>
> 1. grab the kernel history, if you don't already have it:
>
> git clone \
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>
> 2. add point releases:
>
> cd linux
> git remote add stable \
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
> git fetch stable
>
> 3. configure, build, test:
>
> git checkout stable/linux-3.2.y
> cp /boot/config-$(uname -r) .config; # current configuration
> make localmodconfig; # optional: minimize configuration
> scripts/config --disable DEBUG_INFO
> make deb-pkg; # optionally with -j<num> for parallel build
> dpkg -i ../<name of package>; # as root
> reboot
> ... test test test ...
>
> Hopefully it reproduces the problem. So:
>
> 4. try the patch (attached):
>
> cd linux
> git am -3sc /path/to/the/patch
> make deb-pkg; # maybe with -j4
> dpkg -i ../<name of package>; # as root
> reboot
> ... test test test ...
Actually, given that this is a really minor change to a module and not
touching any externally visible interfaces at all, you can get away with
far less work for a simple verification test.
Do step 1 and 2, and then
apt-get install linux-headers-`uname -r`; # as root
git checkout stable/linux-3.2.y
git am -3sc /path/to/the/patch
make -C /lib/modules/`uname -r`/build SUBDIRS=`pwd`/drivers/net/usb
cdc_ether.ko
# as root:
rmmod cdc_ether
insmod drivers/net/usb/cdc_ether.ko
No reboot required, and no need to build all the unmodified drivers.
All thanks to the excellent Debian kernel packages :-)
Bjørn
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