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bug#23409: unable to load free firmware

From: Alex Kost
Subject: bug#23409: unable to load free firmware
Date: Thu, 05 May 2016 11:42:22 +0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

Quilro Ordonez (2016-05-05 02:13 +0300) wrote:

> Same errors in dmesg.

If you mean after system reconfiguring, then it is expected, because
nothing has changed, you just moved package definitions from you system
config to another file, so that "guix build" and other commands could
see these packages.

Or do you mean after modifying
"/sys/module/firmware_class/parameters/path" and "insmod"-ing that

Here is an excerpt of Ludo's message.  Please report after doing these

Ludovic Courtès (2016-05-03 11:01 +0300) wrote:

> Quilíro: firmware files are searched for in the directory specified in
> the /sys/module/firmware_class/parameters/path pseudo-file (see the (gnu
> build activation) module.)
> Could you try, as root, something like (use the right package and module
> name below):
>   echo -n $(guix build b43-firmware-whatever)/lib/firmware \
>      > /sys/module/firmware_class/parameters/path
>   insmod b43-module-whatever-its-called
>   dmesg | tail
> … and report back?
> Also, can you show the output of:
>   find $(guix build b43-firmware-whatever)/lib/firmware
> ?
> It should contain “b43-open/ucode5.fw”.


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