Bug#818862: Similar issues with kernel 4.6 and 4.7

[Eduard Bloch]

Control: severity 818862 important

Hallo,
* Luca Boccassi [Tue, Aug 16 2016, 09:48:40PM]:
> On Tue, 2016-08-16 at 20:02 +0200, Eduard Bloch wrote:
> > Package: nvidia-kernel-source
> > Version: 367.35-1
> > Followup-For: Bug #818862
> > Control: severity 818862 grave
> > 
> > Hello,
> > 
> > I have no idea how you manage to build the current modules even for Sid.
> > For me, it fails, always with the same symptoms. It fails with Sid
> > version of nvidia-kernel-source, it fails with the Experimental version
> > of the package, it fails with the SVN version which I built using the
> > instructions from the Wiki. It fails with my kernel 4.7 (locally
> > compiled) and also when I try to build against the official Sid kernel
> > headers.
> > 
> > So, how is it supposed to work? Is the source not ready for gcc 6? Is it
> > doing some broken checks that depend on running kernel rather than the
> > target kernel?
> > 
> > I briefly tried to investigate in the source but it's a huge mess, IMHO.
> 
> Have you read the supplied readme
> file, /usr/share/doc/nvidia-kernel-source/README.Debian.gz ?
> As the readme suggests, it's recommended to use module-assistant.

I am the original author of module-assistant, thanks.

> EG:
> 
> module-assistant build --text-mode --force --kvers-list 4.7.0-rc7-amd64 nvidia-kernel

a) minor detail, the readme does not mention --force, although it should not be required.

b) For 4.7.0-rc7-amd64 it seems to compile, indeed; that is the FIRST "success"
I have seen in the last couple of days. However, 4.7.0-rc7-amd64 is from
Experimental.

c) I tried a similar command with 4.6.0-1-amd64 (Sid kernel) and it did NOT work. Now
after the previous build succeeded, I tried again, failure. Tried for
4.7.0+ (the active kernel) again, failure. Tried again for
4.6.0-1-amd64, seems to compile now. Not sure what's going on here, I
have not upgraded unrelated packages. Log file attached, maybe this helps.

d) it is still not building for my custom kernels build from vanilla
source. But this is basically the same configuration I used last year
and the driver was compiling fine back then. Are there any new special
requirements? Config attached.

Regards,
Eduard.
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