* Package: dev-util/lttng-modules-2.11.0-r1 * Repository: gentoo * Maintainer: dlan@gentoo.org * USE: abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU * FEATURES: network-sandbox preserve-libs sandbox userpriv usersandbox * Determining the location of the kernel source code * Found kernel source directory: * /usr/src/linux * Found sources for kernel version: * 5.9.0-gentoo * Checking for suitable kernel configuration options... [ ok ] >>> Unpacking source... >>> Unpacking lttng-modules-2.11.0.tar.bz2 to /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work >>> Source unpacked in /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work >>> Preparing source in /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0 ... >>> Source prepared. >>> Configuring source in /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0 ... >>> Source configured. >>> Compiling source in /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0 ... ln: failed to create symbolic link 'Module.symvers': File exists * Preparing module make -j1 HOSTCC=x86_64-pc-linux-gnu-gcc CROSS_COMPILE=x86_64-pc-linux-gnu- 'LDFLAGS=-m elf_x86_64' KERNELDIR=/usr/src/linux default make -C /usr/src/linux M=/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0 CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules make[1]: Entering directory '/usr/src/linux-5.9.0-gentoo' find: ‘/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/extra_version/patches/’: No such file or directory find: ‘/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/../extra_version/patches/’: No such file or directory /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/Kbuild:258: CONFIG_KALLSYMS_ALL is disabled, therefore probe "writeback" is disabled. Rebuild your kernel with this configuration option enabled in order to trace this subsystem. CC [M] /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/lttng-probe-sched.o In file included from /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/../lttng-tracer.h:24, from /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/lttng-probe-sched.c:11: /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/../wrapper/trace-clock.h: In function ‘trace_clock_read64’: /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/../wrapper/trace-clock.h:168:3: error: implicit declaration of function ‘read_barrier_depends’ [-Werror=implicit-function-declaration] 168 | read_barrier_depends(); /* load ltc before content */ | ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[3]: *** [scripts/Makefile.build:283: /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes/lttng-probe-sched.o] Error 1 make[2]: *** [scripts/Makefile.build:500: /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0/probes] Error 2 make[1]: *** [Makefile:1784: /var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0] Error 2 make[1]: Leaving directory '/usr/src/linux-5.9.0-gentoo' make: *** [Makefile:110: modules] Error 2 * ERROR: dev-util/lttng-modules-2.11.0-r1::gentoo failed (compile phase): * emake failed * * If you need support, post the output of `emerge --info '=dev-util/lttng-modules-2.11.0-r1::gentoo'`, * the complete build log and the output of `emerge -pqv '=dev-util/lttng-modules-2.11.0-r1::gentoo'`. * The complete build log is located at '/var/log/portage/dev-util:lttng-modules-2.11.0-r1:20201013-172251.log'. * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/temp/build.log'. * The ebuild environment file is located at '/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/temp/environment'. * Working directory: '/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0' * S: '/var/tmp/portage/dev-util/lttng-modules-2.11.0-r1/work/lttng-modules-2.11.0'