[Bug 2100501] Re: systemctl daemon-reload makes systemd crash

Tue Mar 18 19:56:49 UTC 2025

This is what I see re-tracing the crash:

root at jammy:~# apport-retrace --gdb _usr_lib_systemd_systemd.0.crash 
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Reading symbols from /usr/lib/systemd/systemd...
Reading symbols from /usr/lib/debug/.build-id/2a/b06decf08c9378367b98f3e592473ea32a5b3c.debug...
warning: Can't open file /usr/lib/x86_64-linux-gnu/libcap.so.2.44 (deleted) during file-backed mapping note processing
[New LWP 117730]
warning: Section `.reg-xstate/117730' in core file too small.
[New LWP 1]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/sbin/init'.
Program terminated with signal SIGSEGV, Segmentation fault.
warning: Section `.reg-xstate/117730' in core file too small.
#0  0x00007f641f0dd75b in kill () at ../sysdeps/unix/syscall-template.S:120
120	../sysdeps/unix/syscall-template.S: No such file or directory.
[Current thread is 1 (LWP 117730)]
(gdb) bt
#0  0x00007f641f0dd75b in kill () at ../sysdeps/unix/syscall-template.S:120
#1  0x0000555c7065db1c in crash (sig=11) at ../src/core/main.c:257
#2  <signal handler called>
#3  0x0000555c706d7d73 in unit_active_state (u=<optimized out>) at ../src/core/unit.c:830
#4  0x0000555c706e7d86 in unit_may_gc (u=0x555c807d68e0) at ../src/core/unit.c:392
#5  0x0000555c706d69fe in unit_may_gc (u=0x555c807d68e0) at ../src/core/unit.c:389
#6  unit_add_to_gc_queue (u=0x555c807d68e0) at ../src/core/unit.c:468
#7  0x0000555c706e8ab1 in unit_clear_dependencies (u=0x555c80799e50) at ../src/core/unit.c:555
#8  unit_free (u=0x555c80799e50) at ../src/core/unit.c:698
#9  0x0000555c706a8d05 in unit_free (u=<optimized out>) at ../src/core/unit.c:654
#10 manager_clear_jobs_and_units (m=m at entry=0x555c806ac890) at ../src/core/manager.c:1421
#11 0x0000555c706ae01a in manager_clear_jobs_and_units (m=0x555c806ac890) at ../src/core/manager.c:1418
#12 manager_reload (m=0x555c806ac890) at ../src/core/manager.c:3826
#13 0x0000555c7065ca7b in invoke_main_loop (ret_error_message=0x7ffeda362240, ret_switch_root_init=<synthetic pointer>, ret_switch_root_dir=<synthetic pointer>, ret_fds=0x7ffeda362230, ret_shutdown_verb=<synthetic pointer>, 
    ret_retval=<synthetic pointer>, ret_reexecute=<synthetic pointer>, saved_rlimit_memlock=0x7ffeda362270, saved_rlimit_nofile=0x7ffeda362280, m=0x555c806ac890) at ../src/core/main.c:1934
#14 main (argc=1, argv=0x7ffeda362508) at ../src/core/main.c:2910

Which sounds a lot like bug 2098861.

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https://bugs.launchpad.net/bugs/2100501

Title:
  systemctl daemon-reload makes systemd crash

Status in systemd package in Ubuntu:
  Invalid
Status in systemd source package in Jammy:
  New

Bug description:
  During the last months systemd has dumped core on two systems with Ubuntu 22.04.
  This time it was triggered by "systemctl daemon-reload".

  As you probably may know the only thing to do to resolve a system
  crash is to reboot the server which is *very* disturbing for our
  services.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: systemd 249.11-0ubuntu3.12 [modified: usr/lib/sysctl.d/50-pid-max.conf]
  ProcVersionSignature: Ubuntu 5.15.0-131.141-generic 5.15.168
  Uname: Linux 5.15.0-131-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu82.6
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Thu Feb 27 15:52:07 2025
  Lsusb:
   Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Lsusb-t:
   /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
   /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
   /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
   /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 480M
  MachineType: ASUS System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-131-generic root=UUID=1e666565-cb2f-4e78-90aa-0fdc62211613 ro consoleblank=0 systemd.show_status=true consoleblank=0
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: systemd
  SystemdFailedUnits: Error: command ['systemctl', 'status', '--full', 'Error:'] failed with exit code 1: Failed to get properties: Connection timed out
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/13/2022
  dmi.bios.release: 5.17
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 9901
  dmi.board.asset.tag: Default string
  dmi.board.name: Pro WS 565-ACE
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr9901:bd10/13/2022:br5.17:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnProWS565-ACE:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: SKU
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS
  mtime.conffile..etc.systemd.journald.conf: 2024-02-21T20:35:18.546041
  mtime.conffile..etc.systemd.resolved.conf: 2024-02-22T18:08:06.586859

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