[Pkg-zfsonlinux-devel] Bug#992219: zfs-dkms: Error! Bad return status for module build on kernel: 5.13.0-trunk-amd64 (x86_64)

[Mike Hommey]

Package: zfs-dkms
Version: 2.0.3-9
Severity: important

Dear Maintainer,

Installing zfs-dkms with the linux kernel currently in experimental
fails with:

Preparing to unpack .../zfs-dkms_2.0.3-9_all.deb ...
Unpacking zfs-dkms (2.0.3-9) ...
Setting up zfs-dkms (2.0.3-9) ...
Loading new zfs-2.0.3 DKMS files...
Building for 5.13.0-trunk-amd64
Building initial module for 5.13.0-trunk-amd64
configure: error:
	*** Unable to build an empty module.

Error! Bad return status for module build on kernel: 5.13.0-trunk-amd64 (x86_64)
Consult /var/lib/dkms/zfs/2.0.3/build/make.log for more information.
dpkg: error processing package zfs-dkms (--configure):
 installed zfs-dkms package post-installation script subprocess returned error exit status 10


The contents of /var/lib/dkms/zfs/2.0.3/build/make.log are:

DKMS make.log for zfs-2.0.3 for kernel 5.13.0-trunk-amd64 (x86_64)
Mon Aug 16 09:29:50 JST 2021
make: *** No targets specified and no makefile found.  Stop.

(I need to use the version in experimental because the version in
bullseye has some bugs on my hardware that are fixed in that version)

-- System Information:
Debian Release: 11.0
  APT prefers stable-security
  APT policy: (500, 'stable-security'), (500, 'stable-debug'), (500, 'proposed-updates-debug'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 5.13.0-trunk-amd64 (SMP w/64 CPU threads)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages zfs-dkms depends on:
ii  debconf [debconf-2.0]  1.5.77
ii  dkms                   2.8.4-3
ii  file                   1:5.39-3
ii  libc6-dev [libc-dev]   2.31-13
ii  libpython3-stdlib      3.9.2-3
ii  lsb-release            11.1.0
ii  perl                   5.32.1-4+deb11u1
ii  python3-distutils      3.9.2-1

Versions of packages zfs-dkms recommends:
ii  linux-libc-dev  5.10.46-4
iu  zfs-zed         2.0.3-9
ii  zfsutils-linux  2.0.3-9

Versions of packages zfs-dkms suggests:
ii  debhelper  13.3.4

-- debconf information:
* zfs-dkms/note-incompatible-licenses:
  zfs-dkms/stop-build-for-unknown-kernel: true
  zfs-dkms/stop-build-for-32bit-kernel: true