Receipe for reproduction: amd64 host i386 pbuilder chroot with sid+testing sources dpkg --add-architecture amd64 apt-get update apt-get install linux-headers-4.18.0-3-amd64 linux-headers-4.19.0-1-amd64 module-assistant apt-get install nvidia-kernel-source:amd64 nvidia-legacy-340xx-kernel-source:amd64
sh /usr/share/doc/nvidia-legacy-340xx-kernel-source/build-module-packages.sh sh /usr/share/doc/nvidia-kernel-source/build-module-packages.sh the legacy driver builds fine, the current driver fails with: ld -r -o /usr/src/modules/nvidia-kernel/nvidia/nv-interface.o /usr/src/modules/nvidia-kernel/nvidia/nv-frontend.o /usr/src/modules/nvidia-kernel/nvidia/nv-instance.o /usr/src/modules/nvidia-kernel/nvidia/nv-gpu-numa.o /usr/src/modules/nvidia-kernel/nvidia/nv.o /usr/src/modules/nvidia-kernel/nvidia/nv-acpi.o /usr/src/modules/nvidia-kernel/nvidia/nv-chrdev.o /usr/src/modules/nvidia-kernel/nvidia/nv-cray.o /usr/src/modules/nvidia-kernel/nvidia/nv-dma.o /usr/src/modules/nvidia-kernel/nvidia/nv-gvi.o /usr/src/modules/nvidia-kernel/nvidia/nv-i2c.o /usr/src/modules/nvidia-kernel/nvidia/nv-mempool.o /usr/src/modules/nvidia-kernel/nvidia/nv-mmap.o /usr/src/modules/nvidia-kernel/nvidia/nv-p2p.o /usr/src/modules/nvidia-kernel/nvidia/nv-pat.o /usr/src/modules/nvidia-kernel/nvidia/nv-procfs.o /usr/src/modules/nvidia-kernel/nvidia/nv-usermap.o /usr/src/modules/nvidia-kernel/nvidia/nv-vm.o /usr/src/modules/nvidia-kernel/nvidia/nv-vtophys.o /usr/src/modules/nvidia-kernel/nvidia/os-interface.o /usr/src/modules/nvidia-kernel/nvidia/os-mlock.o /usr/src/modules/nvidia-kernel/nvidia/os-pci.o /usr/src/modules/nvidia-kernel/nvidia/os-registry.o /usr/src/modules/nvidia-kernel/nvidia/os-usermap.o /usr/src/modules/nvidia-kernel/nvidia/nv-modeset-interface.o /usr/src/modules/nvidia-kernel/nvidia/nv-pci-table.o /usr/src/modules/nvidia-kernel/nvidia/nv-kthread-q.o /usr/src/modules/nvidia-kernel/nvidia/nv-kthread-q-selftest.o /usr/src/modules/nvidia-kernel/nvidia/nv-memdbg.o /usr/src/modules/nvidia-kernel/nvidia/nv-ibmnpu.o /usr/src/modules/nvidia-kernel/nvidia/nv-report-err.o /usr/src/modules/nvidia-kernel/nvidia/nv_uvm_interface.o /usr/src/modules/nvidia-kernel/nvidia/nvlink_linux.o ld: relocatable linking with relocations from format elf64-x86-64 (/usr/src/modules/nvidia-kernel/nvidia/nv-frontend.o) to format elf32-i386 (/usr/src/modules/nvidia-kernel/nvidia/nv-interface.o) is not supported make[4]: *** [/usr/src/modules/nvidia-kernel/nvidia/nvidia.Kbuild:95: /usr/src/modules/nvidia-kernel/nvidia/nv-interface.o] Error 1 make[4]: *** Waiting for unfinished jobs.... ... make[3]: *** [/usr/src/linux-headers-4.19.0-1-common/Makefile:1532: _module_/usr/src/modules/nvidia-kernel] Error 2 make[3]: Leaving directory '/usr/src/linux-headers-4.19.0-1-amd64' make[2]: *** [Makefile:146: sub-make] Error 2 make[2]: Leaving directory '/usr/src/linux-headers-4.19.0-1-common' make[1]: *** [Makefile:79: modules] Error 2 make[1]: Leaving directory '/usr/src/modules/nvidia-kernel' make: *** [debian/rules:47: build-stamp] Error 2 Why don't they fail both? OK, they use completely different ld invocations: /usr/src/modules/nvidia-legacy-340xx-kernel/nvidia-modules-common.mk: @$(LD) $(EXTRA_LDFLAGS) $(MODULE_COMMON_SCRIPT) -r -o $(KERNEL_GLUE_NAME) $(KERNEL_GLUE_OBJS) /usr/src/modules/nvidia-kernel/Makefile: $(LD) $(NV_MODULE_COMMON_SCRIPT) -r -o $@ \ /usr/src/modules/nvidia-kernel/nvidia-modeset/nvidia-modeset.Kbuild: $(LD) -r -o $@ $^ /usr/src/modules/nvidia-kernel/nvidia/nvidia.Kbuild: $(LD) -r -o $@ $^ On 2018-12-19 22:53, Tomas Janousek wrote: > Linux 4.19 renamed LDFLAGS to KBUILD_LDFLAGS [1], so use-kbuild-flags.patch > doesn't work any more. I can confirm that using KBUILD_LDFLAGS fixes the > issue. Do note that older kernels don't set KBUILD_LDFLAGS, so we need to > support both for some time. s/for some time/forever/ probably: $(or $(KBUILD_LDFLAGS),$(LDFLAGS)) That turns the failing command back into ld -m elf_x86_64 -z max-page-size=0x200000 -r -o /usr/src/modules/nvidia-kernel/nvidia/nv-interface.o /usr/src/modules/nvidia-kernel/nvidia/nv-frontend.o ... > Oh, and why does https://salsa.debian.org/nvidia-team/nvidia-graphics-drivers > need signing in? :-( Because the repository is not yet at that location. Andreas
