Public bug reported:
Hi there.
I noticed that the module kept coming back with the following error when
trying to install/probe it under Ubuntu 17.10:
modprobe: ERROR: could not insert '8812au': Exec format error
Upon inspection in the Ubuntu downloaded source folder
(/usr/src/rtl8812au-4.3.8.12175.20140902+dfsg), I tried to rebuild
(suspecting a failed kernel module signature update) by running:
sudo make clean
sudo make
sudo make install
...all of which ran properly. When it came time to run:
sudo modprobe 8812au
I would get that error. I compared the resulting 8812au.ko to the
previous kernel version that had worked (4.13.0-25) and noticed that the
file under /lib/modules/4.13.0-32-generic/kernel/drivers/net/wireless/
had an old date, so I ran:
sudo mv 8812au.ko /lib/modules/4.13.0-32-generic/updates/dkms/
from /lib/modules/4.13.0-32-generic/kernel/drivers/net/wireless.
Apparently the module is being installed into the wrong folder and/or
not overwriting the old one. After I did this it immediately starting
working, so I wanted to share this in case anyone else with a similar
problem can get it running again. This is with the most recent package
as of January 29, 2018. I apologize if this is not the correct place to
report it, but I wasn't sure where else to do so.
** Affects: rtl8812au (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1746104
Title:
Failed build for kernel 4.13.0-32 (wrong location)
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