[Pkg-alsa-devel] Bug#588385: [alsa-source] dmesg reports unknown symbols / disagreement with version of symbol

Elimar Riesebieter riesebie at lxtec.de
Fri Jul 9 18:32:47 UTC 2010

* Guy Heatley [100709 10:36 +0100]:
> Hi Elimar,
> There are problems with the insertion of the snd-usb-audio module.
> I tried disconnecting and re-connecting my Roland device.
> Dmesg correctly identified the device but then reported problems with
> the snd-usb-audio module, as the module was modprobed.
> I don't have the exact output where I am writing, but it was similar to
> the subject of this bug report - unknown symbols / disagreement with
> version of symbols.

In most cases this points to misscompiled modules. You must use the
same compiler version the kernel was compiled with. Next a depmod -a
cleans up the dependencies of the running kernel. See depmod(8). The
module loads fine on my systems (2.6.3[0-5]). Following your link
[0] you don't need to patch or make extra drivers if you use Debian
Kernel > 2.6.30, though. Sorry but I don't have a Roland device
handy for testing. To get a further analyse you should send a
respective dmesg.

[0] http://alsa.opensrc.org/index.php/Edirol_UA-25EX


  On the keyboard of life you have always
  to keep a finger at the escape key;-)
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