Package: lttng-modules-dkms Version: 2.12.5-1+deb11u1 Severity: serious Control: found -1 2.13.9-1
Hi, the bullseye kernel at some point seems to have enabled -Werror=implicit-function-declaration, causing the module to now fail to build: DKMS make.log for lttng-modules-2.12.5 for kernel 5.10.0-33-amd64 (x86_64) Thu Feb 13 11:24:13 CET 2025 make: Entering directory '/usr/src/linux-headers-5.10.0-33-amd64' CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-ring-buffer-client-discard.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-ring-buffer-client-overwrite.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-ring-buffer-metadata-client.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-ring-buffer-client-mmap-discard.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-ring-buffer-client-mmap-overwrite.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-ring-buffer-metadata-mmap-client.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-clock.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-events.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-abi.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-string-utils.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-probes.o /var/lib/dkms/lttng-modules/2.12.5/build/probes/Kbuild:62: File /usr/src/linux-headers-5.10.0-33-common/arch/x86/kvm/lapic.h not found. Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable it. /var/lib/dkms/lttng-modules/2.12.5/build/probes/Kbuild:166: Files /usr/src/linux-headers-5.10.0-33-common/fs/btrfs/*.h not found. Probe "btrfs" is disabled. Use full kernel source tree to enable it. /var/lib/dkms/lttng-modules/2.12.5/build/probes/Kbuild:177: Files /usr/src/linux-headers-5.10.0-33-common/fs/ext4/*.h not found. Probe "ext4" is disabled. Use full kernel source tree to enable it. /var/lib/dkms/lttng-modules/2.12.5/build/probes/Kbuild:206: File /usr/src/linux-headers-5.10.0-33-common/drivers/base/regmap/trace.h not found. Probe "regmap" is disabled. Need Linux 4.1+ kernel source tree to enable it. CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/tests/probes/lttng-test.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-sched.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/ringbuffer/ring_buffer_backend.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/ringbuffer/ring_buffer_frontend.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-pid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-procname.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/tests/clock-plugin/lttng-clock-plugin-test.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-irq.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-timer.o LD [M] /var/lib/dkms/lttng-modules/2.12.5/build/tests/lttng-test.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/ringbuffer/ring_buffer_iterator.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-prio.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-kmem.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/ringbuffer/ring_buffer_vfs.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-module.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/ringbuffer/ring_buffer_splice.o LD [M] /var/lib/dkms/lttng-modules/2.12.5/build/tests/lttng-clock-plugin-test.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-nice.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-power.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/ringbuffer/ring_buffer_mmap.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vpid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-statedump.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/prio_heap/lttng_prio_heap.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-tid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-9p.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-i2c.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/../wrapper/splice.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-kvm.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vtid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-x86-irq-vectors.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-x86-exceptions.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-ppid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vppid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-signal.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-block.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-napi.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-skb.o LD [M] /var/lib/dkms/lttng-modules/2.12.5/build/lib/lttng-lib-ring-buffer.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-cpu-id.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-net.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-uid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-euid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-suid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-sock.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-udp.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-gid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-asoc.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-egid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-sgid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-gpio.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-jbd2.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-regulator.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-scsi.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vuid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-veuid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-vmscan.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-compaction.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-printk.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-rcu.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vsuid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vgid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-sunrpc.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-v4l2.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vegid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-workqueue.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-vsgid.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-interruptible.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-need-reschedule.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-writeback.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-callstack.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-kprobes.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-uprobes.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-kretprobes.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-calibrate.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-hostname.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-tracker-id.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-filter.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-filter-interpreter.o In file included from /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-uprobes.c:12: /var/lib/dkms/lttng-modules/2.12.5/build/probes/../wrapper/fdtable.h: In function 'lttng_lookup_fd_rcu': /var/lib/dkms/lttng-modules/2.12.5/build/probes/../wrapper/fdtable.h:25:9: error: implicit declaration of function 'fcheck' [-Werror=implicit-function-declaration] 25 | return fcheck(fd); | ^~~~~~ /var/lib/dkms/lttng-modules/2.12.5/build/probes/../wrapper/fdtable.h:25:9: warning: returning 'int' from a function with return type 'struct file *' makes pointer from integer without a cast [-Wint-conversion] 25 | return fcheck(fd); | ^~~~~~~~~~ CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-filter-specialize.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-filter-validator.o cc1: some warnings being treated as errors make[3]: *** [/usr/src/linux-headers-5.10.0-33-common/scripts/Makefile.build:291: /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-uprobes.o] Error 1 make[3]: *** Waiting for unfinished jobs.... CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/probes/lttng-probe-user.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-tp-mempool.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-syscalls.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-perf-counters.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-tracepoint.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-cgroup-ns.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-ipc-ns.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-net-ns.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-pid-ns.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-user-ns.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-context-uts-ns.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/page_alloc.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/random.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/trace-clock.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/kallsyms.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/irqdesc.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-wrapper-impl.o CC [M] /var/lib/dkms/lttng-modules/2.12.5/build/lttng-statedump-impl.o make[2]: *** [/usr/src/linux-headers-5.10.0-33-common/scripts/Makefile.build:508: /var/lib/dkms/lttng-modules/2.12.5/build/probes] Error 2 make[2]: *** Waiting for unfinished jobs.... In file included from /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.c:9: /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.h: In function 'lttng_lookup_fd_rcu': /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.h:25:9: error: implicit declaration of function 'fcheck' [-Werror=implicit-function-declaration] 25 | return fcheck(fd); | ^~~~~~ /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.h:25:9: warning: returning 'int' from a function with return type 'struct file *' makes pointer from integer without a cast [-Wint-conversion] 25 | return fcheck(fd); | ^~~~~~~~~~ cc1: some warnings being treated as errors make[2]: *** [/usr/src/linux-headers-5.10.0-33-common/scripts/Makefile.build:291: /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.o] Error 1 In file included from /var/lib/dkms/lttng-modules/2.12.5/build/lttng-statedump-impl.c:39: /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.h: In function 'lttng_lookup_fd_rcu': /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.h:25:9: error: implicit declaration of function 'fcheck'; did you mean 'bpf_check'? [-Werror=implicit-function-declaration] 25 | return fcheck(fd); | ^~~~~~ | bpf_check /var/lib/dkms/lttng-modules/2.12.5/build/wrapper/fdtable.h:25:9: warning: returning 'int' from a function with return type 'struct file *' makes pointer from integer without a cast [-Wint-conversion] 25 | return fcheck(fd); | ^~~~~~~~~~ cc1: some warnings being treated as errors make[2]: *** [/usr/src/linux-headers-5.10.0-33-common/scripts/Makefile.build:291: /var/lib/dkms/lttng-modules/2.12.5/build/lttng-statedump-impl.o] Error 1 make[1]: *** [/usr/src/linux-headers-5.10.0-33-common/Makefile:1856: /var/lib/dkms/lttng-modules/2.12.5/build] Error 2 make: *** [/usr/src/linux-headers-5.10.0-33-common/Makefile:192: __sub-make] Error 2 make: Leaving directory '/usr/src/linux-headers-5.10.0-33-amd64' This also affects the version in bookworm. On distupgrades from bullseye to bookworm, kernels and headers from both releases are installed and therefore lttng-modules-dkms/bookworm needs to be able to build a module for the bullseye kernel. (lttng-modules-dkms/bookworm builds fine for 6.1.0-31-amd64, the bookworm kernel) Linux commit 460b4f812a9d473d4b39d87d37844f9fc30a9eb3 from v5.11-rc1 has been backported as c4716bb296504cbc64aeefb370df44e821214c44 to v5.10.220 A possible fix for bookworm could be in include/wrapper/fdtable.h to replace #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) with #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,220)) Andreas