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bug#34902: guix cannot find a module on boot


From: Julien Lepiller
Subject: bug#34902: guix cannot find a module on boot
Date: Mon, 18 Mar 2019 10:17:14 +0100
User-agent: Roundcube Webmail/1.3.8

Hi!

I've installed the Guix system on my cubietruck yesterday, but had some difficulties. At first, the root partition was not available at boot, so I got a repl with a message saying that /dev/mmcblk0p1 was not available. I added the following to my guix config file:

(initrd-modules (cons "sunxi_mmc" %base-initrd-modules))

although the guix system command worked, the produced system still couldn't boot, but this time the message was that guix was unable to find sunxi_mmc.ko. Using the repl I could confirm that this module was indeed here, but under the name sunxi-mmc.ko. Using load-linux-module*, I was able to confirm that loading it made the filesystem available in /dev. In the end this line:

(initrd-modules (cons "sunxi-mmc" %base-initrd-modules))

was the right line to add, and I could properly boot my cubietruck!

The bug here is that guix should either be smarter and load sunxi-mmc.ko when it can't find sunxi_mmc.ko, or not allow me to build a system when I specify sunxi_mmc since it doesn't exist at boot time.





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