Public bug reported:
This is a bug report against wily:
$ lsb_release -a
LSB Version:
core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 15.10
Release: 15.10
Codename: wily
My USB3 Wifi Adapter (TP-Link AC 1200, Archer T4UH Version 1.0) only
works with kernel 4.2.0-18-generic. In all other cases (e.g. for the
latest kernel), the following happens:
$ sudo modprobe -v --force 8812au
insmod /lib/modules/4.2.0-27-generic/updates/dkms/8812au.ko
modprobe: ERROR: could not insert '8812au': Exec format error
When I get this error, I also find the following line in dmesg:
[ 164.444534] 8812au: disagrees about version of symbol module_layout
I'm using the Ubuntu provided package for 8812au (that will be compiled
with dkms):
$ dkms status
rtl8812au, 4.3.8.12175.20140902+dfsg, 4.2.0-18-generic, x86_64: installed
rtl8812au, 4.3.8.12175.20140902+dfsg, 4.2.0-27-generic, x86_64: installed
rtl8812au, 4.3.8.12175.20140902+dfsg, 4.4.0-040400-generic, x86_64: installed
vboxhost, 5.0.14, 4.2.0-18-generic, x86_64: installed
vboxhost, 5.0.14, 4.2.0-27-generic, x86_64: installed
vboxhost, 5.0.14, 4.4.0-040400-generic, x86_64: installed
(As you can see from above, I also tried a vanilla 'mainline' kernel,
but with the same result.)
Instead of the error I expect the kernel module 8812au to work with (at
least) all 'official' wily kernel (e.g. 4.2.0-27-generic).
** Affects: rtl8812au (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1541743
Title:
'8812au': Exec format error
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