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From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Wed 20 Apr 2005 - 00:25:49 BST


On Tue, Apr 19, 2005 at 08:27:51PM +0200, Thorsten Busse wrote:
> Hi,
>
> on a vanilla kernel 2.6.11.7 with applied vserver patches lirc 0.7.0
> doesn't work the way expected:
>
> Loading the driver mceusb produces the following error messages in the
> logs:
>
> Apr 10 17:46:39 localhost kernel: lirc_dev: Unknown symbol vx_rmap_pid
> Apr 10 17:46:39 localhost kernel: lirc_mceusb: Unknown symbol
> lirc_unregister_plugin
> Apr 10 17:46:39 localhost kernel: lirc_mceusb: Unknown symbol
> lirc_register_plugin
>
> Lirc works with the same kernel sources without vserver patches without a
> glitch. Any hints how this issue could be solved?

yup, I see a few options there ...

 a) the easy one

    pay a visit to the #vserver irc channel, with the
    lirc patch handy and politely ask me to make the
    adjustments for you ;)

 b) the salutary one

    look where vx_rmap_pid() is used in the vserver
    kernel sources, discover that find_task_by_pid()
    was renamed to find_task_by_real_pid and instead
    of the original there is a version doing some
    reverse mapping ... then decide which one is
    appropriate for lirc_{un,}register_plugin() and
    add the proper includes for the code ...

 c) the smart one

    figure that the call to find_task_by_pid() is
    somewhat fishy and replace it by a better design

HTH,
Herbert

> Cheers,
>
> - Thorsten
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