Bug#902632: nvidia-legacy-340xx-kernel-dkms: the compiled module fails to load with error 'Invalid module format'

[Lieven Marchand]

Luca Boccassi <bluca at debian.org> writes:

> On Thu, 28 Jun 2018 22:17:54 +0200 Lieven Marchand <mal at wyrd.be> wrote:
>> Package: nvidia-legacy-340xx-kernel-dkms
>> Version: 340.107-1
>> Severity: grave
>> Justification: renders package unusable
>> 
>> root at black:/lib/modules/4.14.0-2-amd64/updates/dkms# insmod ./nvidia-
>> legacy-340xx.ko
>> insmod: ERROR: could not insert module ./nvidia-legacy-340xx.ko:
> Invalid module
>> format
>> 
>> root at black:/lib/modules/4.14.0-2-amd64/updates/dkms# file nvidia-
>> legacy-340xx.ko
>> nvidia-legacy-340xx.ko: ELF 64-bit LSB relocatable, x86-64, version 1
> (SYSV),
>> BuildID[sha1]=c2d6aedbe3a90f6bc1dafaebdfdfc02b95397fc9, not stripped
>
> 1) Do not use insmod, use modprobe
> 2) You do not have the right headers installed
> 3) 4.14 is not supported anymore in any Debian suite, 4.16 is currently
> in buster/sid, use linux-headers-amd64 and linux-image-amd64

I was trying with insmod since modprobe failed too.

And I was going back since the combination 4.16+latest legacy driver+new
xorg hangs the machine reliably at the start of X with my GT240. There
are some similar reports in the nvidia driver forum.

Thanks for the reply,

Lieven

-- 
In these days the angel of topology and the devil of abstract algebra fight
for the soul of each individual mathematical domain.         -- Weyl (1938)
The devil won.