Version-Release number of selected component: systemd-udev-234-8.fc27 Additional info: reporter: libreport-2.9.2 backtrace_rating: 4 cmdline: /usr/lib/systemd/systemd-udevd crash_function: __libc_open64 executable: /usr/lib/systemd/systemd-udevd journald_cursor: s=93e53034493748d1ae4c3f434d6b8cb8;i=18cf;b=cb2f33c1f0a34390846a6bcf970c7b9b;m=39334cdb4;t=55d50e055e481;x=e0888c5a5ac8bcee kernel: 4.13.9-300.fc27.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 0 Truncated backtrace: Thread no. 1 (9 frames) #0 __libc_open64 at ../sysdeps/unix/sysv/linux/open64.c:46 #1 open64 at /usr/include/bits/fcntl2.h:53 #2 synthesize_change at ../src/udev/udevd.c:1043 #3 on_inotify at ../src/udev/udevd.c:1152 #4 source_dispatch at ../src/libsystemd/sd-event/sd-event.c:2272 #5 sd_event_dispatch at ../src/libsystemd/sd-event/sd-event.c:2631 #6 sd_event_run at ../src/libsystemd/sd-event/sd-event.c:2690 #7 sd_event_loop at ../src/libsystemd/sd-event/sd-event.c:2710 #8 run at ../src/udev/udevd.c:1643
Created attachment 1348641 [details] File: backtrace
Created attachment 1348642 [details] File: cgroup
Created attachment 1348643 [details] File: core_backtrace
Created attachment 1348644 [details] File: cpuinfo
Created attachment 1348645 [details] File: dso_list
Created attachment 1348646 [details] File: environ
Created attachment 1348647 [details] File: limits
Created attachment 1348648 [details] File: maps
Created attachment 1348649 [details] File: open_fds
Created attachment 1348650 [details] File: proc_pid_status
Created attachment 1348651 [details] File: var_log_messages
*** Bug 1520506 has been marked as a duplicate of this bug. ***
#0 0x00007f5cacc4bf6e in __libc_open64 (file=0x55ed415c1650 "/dev/sdb", oflag=<optimized out>) at ../sysdeps/unix/sysv/linux/open64.c:46 46 return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag | EXTRA_OPEN_FLAGS, Thread 1 (Thread 0x7f5cad03e9c0 (LWP 13078)): #0 0x00007f5cacc4bf6e in __libc_open64 (file=0x55ed415c1650 "/dev/sdb", oflag=<optimized out>) at ../sysdeps/unix/sysv/linux/open64.c:46 resultvar = 17 mode = <optimized out> #1 0x000055ed40f0133a in open64 () at /usr/include/bits/fcntl2.h:53 No locals. It looks like udevd is killed by the watchdog while it's waiting for a disk device to respond. There isn't much we can do in such a case. There should be no effect from this, just udevd being restarted.
Similar problem has been detected: systemd crashed while in background reporter: libreport-2.9.3 backtrace_rating: 4 cmdline: /usr/lib/systemd/systemd-udevd crash_function: __libc_open64 executable: /usr/lib/systemd/systemd-udevd journald_cursor: s=e4a0bf050fad4203bcebb813973dfed6;i=55624;b=93ec5c46aaa44d058fbc4595a40c9c57;m=506183fa2;t=56d5759fbf858;x=f8dd672e22b2b3be kernel: 4.16.11-200.fc27.x86_64 package: systemd-udev-234-11.git5f8984e.fc27 reason: systemd-udevd killed by SIGABRT rootdir: / runlevel: N 5 type: CCpp uid: 0
I quite regulary see this during shutdown - some systemd operations/services are pending and delay system shutdown until they time out. rather annoying.
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