Here is a crash dump for a case that doesn't appear to be due to reload: warning: 39 ../sysdeps/unix/sysv/linux/aarch64/syscall.S: No such file or directory [Current thread is 1 (LWP 1171)] (gdb) bt #0 syscall () at ../sysdeps/unix/sysv/linux/aarch64/syscall.S:39 #1 0x0000f4676c1df8e4 in propagate_signal () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #2 0x0000beefbde2e9bc [PAC] in ?? () #3 <signal handler called> #4 __GI_strcmp () at ../sysdeps/aarch64/strcmp.S:136 #5 0x0000f4676c224d1c in ?? () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #6 0x0000f4676c1c04b8 [PAC] in ?? () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #7 0x0000f4676c1c2260 [PAC] in _hashmap_remove () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #8 0x0000f4676c230a30 [PAC] in bus_slot_disconnect () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #9 0x0000f4676c235588 [PAC] in ?? () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #10 0x0000f4676c240338 [PAC] in ?? () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #11 0x0000f4676c241924 [PAC] in ?? () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #12 0x0000f4676c29d4c4 [PAC] in ?? () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #13 0x0000f4676c29d730 [PAC] in sd_event_dispatch () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #14 0x0000f4676c29ed94 [PAC] in sd_event_run () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-shared-255.so #15 0x0000f4676c4dd6a8 [PAC] in manager_loop () from /usr/lib/aarch64-linux-gnu/systemd/libsystemd-core-255.so #16 0x0000beefbde271d8 [PAC] in ?? () #17 0x0000f4676be684c4 [PAC] in __libc_start_call_main (main=main@entry=0xbeefbde26a80, argc=argc@entry=1, argv=argv@entry=0xffffd1b27e78) at ../sysdeps/nptl/libc_start_call_main.h:58 #18 0x0000f4676be68598 in __libc_start_main_impl (main=0xbeefbde26a80, argc=1, argv=0xffffd1b27e78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=<optimized out>) at ../csu/libc-start.c:360 #19 0x0000beefbde299f0 in ?? ()
** Attachment added: "crash dump not during reload" https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/2098861/+attachment/5858791/+files/not-reload_usr_lib_systemd_systemd.0.crash -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/2098861 Title: systemd 255.4-1ubuntu8.5 crashing on arm64 (Azure v6 VM sizes) Status in systemd package in Ubuntu: New Bug description: Systemd appears to crash often on Azure v6 arm64 VM sizes during initial (provisioning) boot. I caught the crash on my first attempt to repro on Standard_D2pds_v6 with canonical:ubuntu-24_04-lts:server- arm64:latest. [ 14.082815] temp-vm-cpatterson-eastus2-t02190915031 systemd[1]: Reloading requested from client PID 1208 ('systemctl') (unit walinuxagent.service)... [ 14.082982] temp-vm-cpatterson-eastus2-t02190915031 systemd[1]: Reloading... [ 14.096465] temp-vm-cpatterson-eastus2-t02190915031 systemd[1]: Caught <SEGV> from PID -535718928. ... [ 108.535662] temp-vm-cpatterson-eastus2-t02190915031 systemd[1]: Caught <SEGV>, dumped core as pid 1227. [ 108.536032] temp-vm-cpatterson-eastus2-t02190915031 systemd[1]: Freezing execution. ... [ 184.052078] temp-vm-cpatterson-eastus2-t02190915031 systemd-journald[136]: Failed to send WATCHDOG=1 notification message: Connection refused (gdb) bt #0 syscall () at ../sysdeps/unix/sysv/linux/aarch64/syscall.S:39 #1 0x0000e14d999df8e4 in missing_rt_tgsigqueueinfo (info=0xffffddda1ca0, sig=11, tid=<optimized out>, tgid=1227) at ../src/basic/missing_syscall.h:384 #2 propagate_signal (sig=sig@entry=11, siginfo=siginfo@entry=0xffffddda1ca0) at ../src/basic/signal-util.c:301 #3 0x0000bb509f70e9bc [PAC] in crash (sig=11, siginfo=0xffffddda1ca0, context=<optimized out>) at ../src/core/crash-handler.c:94 #4 <signal handler called> #5 0x0000e14d99d2944c in unit_active_state (u=u@entry=0xbb50c8aeeb10) at ../src/core/unit.c:941 #6 0x0000e14d99d2d454 in unit_may_gc (u=0xbb50c8aeeb10) at ../src/core/unit.c:465 #7 0x0000e14d99d2e7d8 [PAC] in unit_add_to_gc_queue (u=u@entry=0xbb50c8aeeb10) at ../src/core/unit.c:535 #8 0x0000e14d99d2efe0 [PAC] in unit_clear_dependencies (u=0xbb50c8b0a7c0) at ../src/core/unit.c:656 #9 unit_free (u=0xbb50c8b0a7c0) at ../src/core/unit.c:797 #10 0x0000e14d99ce228c [PAC] in manager_clear_jobs_and_units.part.0.lto_priv.0 (m=m@entry=0xbb50c8acf790) at ../src/core/manager.c:1594 #11 0x0000e14d99ce2624 [PAC] in manager_clear_jobs_and_units (m=0xbb50c8acf790) at ../src/core/manager.c:1591 #12 manager_reload (m=m@entry=0xbb50c8acf790) at ../src/core/manager.c:3568 #13 0x0000bb509f709338 [PAC] in invoke_main_loop (ret_error_message=0xffffddda3178, ret_switch_root_init=<synthetic pointer>, ret_switch_root_dir=<synthetic pointer>, ret_fds=0xffffddda3168, ret_retval=<synthetic pointer>, saved_rlimit_memlock=0xffffddda31a0, saved_rlimit_nofile=0xffffddda31b0, m=0xbb50c8acf790) at ../src/core/main.c:1982 #14 main (argc=1, argv=0xffffddda3668) at ../src/core/main.c:3106 In this particular case the reload was requested by WALinuxAgent, but I have evidence of other crashes when cloud-init request the reload: 2025-01-02T10:18:03.007621+00:00 localhost systemd[1]: Reloading requested from client PID 871 ('systemctl') (unit cloud-init-local.service)... 2025-01-02T10:18:03.007662+00:00 localhost systemd[1]: Reloading... 2025-01-02T10:18:03.010753+00:00 localhost systemd[1]: Caught <SEGV>, from unknown sender process. In some cases I don't even see a reload but I will see if I can get a crash dump for those cases. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/2098861/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp