ADT failure to apply buildfix on Bionic (390.147-0ubuntu0.18.04.1)

[Luke Nowakowski-Krijger]

There is a failure on ADT with nvidia-graphics-drivers-390 package starting when the package was updated to 390.147-0ubuntu0.18.04.1.

This is the failure with bionic/linux 4.15.0-177.186
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/i386/n/nvidia-graphics-drivers-390/20220503_180848_8905f@/log.gz

...
Loading new nvidia-390.147 DKMS files...
Building for 4.15.0-177-generic
Building for architecture i686
Building initial module for 4.15.0-177-generic
Error! Application of patch buildfix_kernel_5.17.patch failed.
Check /var/lib/dkms/nvidia/390.147/build/ for more information.
...

That leads to
...
tar: Cowardly refusing to create an empty archive
Try 'tar --help' or 'tar --usage' for more information.
autopkgtest [18:08:31]: test dkms-autopkgtest: -----------------------]
autopkgtest [18:08:32]: test dkms-autopkgtest: - - - - - - - - - - results - - - - - - - - - -
dkms-autopkgtest FAIL non-zero exit status 123
autopkgtest [18:08:32]: @@@@@@@@@@@@@@@@@@@@ summary
dkms-autopkgtest FAIL non-zero exit status 123

[Alberto Milone (albertomilone)]

As per the attachment, I can't really reproduce the problem in my bionic chroot using the 390 driver from the archive, and Linux 4.15.0-178.187 from the CKT PPA.

[Luke Nowakowski-Krijger (lukenow)]

Since we don't build i386 for lrm, I have released bionic as this issue isn't related to the kernel release.

But when testing I did find that this issue can still be reproduced and leads to a build failure.
I tested this with 4.15.0-176 in a i386 VM and could reproduce the failure to apply the buildfix which seems to lead to a build failure.