** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1871887
Title: oss4-dkms fails to install on armhf Status in linux package in Ubuntu: Confirmed Status in oss4 package in Ubuntu: New Bug description: oss4 autopkgtest fails when building the dkms module: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/armhf/o/oss4/20200409_153053_073f6@/log.gz : ... Building initial module for 5.4.0-21-generic Error! Bad return status for module build on kernel: 5.4.0-21-generic (armv7l) Consult /var/lib/dkms/oss4/4.2-build2010/build/make.log for more information. dpkg: error processing package oss4-dkms (--configure): installed oss4-dkms package post-installation script subprocess returned error exit status 10 ... Apparently it is caused by kernel Makefiles setting hard and soft float on the same gcc line (soft is wrong for armhf): # cat /var/lib/dkms/oss4/4.2-build2010/build/make.log DKMS make.log for oss4-4.2-build2010 for kernel 5.4.0-21-generic (armv8l) Thu Apr 9 17:01:04 UTC 2020 make: Entering directory '/usr/src/linux-headers-5.4.0-21-generic' CC [M] /var/lib/dkms/oss4/4.2-build2010/build/core/oss_core.o gcc: error: -mfloat-abi=soft and -mfloat-abi=hard may not be used together make[1]: *** [scripts/Makefile.build:275: /var/lib/dkms/oss4/4.2-build2010/build/core/oss_core.o] Error 1 make: *** [Makefile:1719: /var/lib/dkms/oss4/4.2-build2010/build/core] Error 2 make: Leaving directory '/usr/src/linux-headers-5.4.0-21-generic' The source of the wrong flag seems to be: $ grep soft /usr/src/linux-headers-5.4.0-21/arch/arm/Makefile KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm ... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1871887/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp