Version-Release number of selected component: evolution-data-server-3.26.6-1.fc27 Additional info: reporter: libreport-2.9.3 backtrace_rating: 4 cmdline: /usr/libexec/evolution-source-registry crash_function: g_wakeup_new executable: /usr/libexec/evolution-source-registry journald_cursor: s=71a2032693a94e5fa8600244bc6f8173;i=7c74b3;b=deb2015e5c4043e18d46119e78bc94ef;m=11e3cc7ab1b;t=56b127a6eed4e;x=2a399dd8d9850fd4 kernel: 4.15.15-300.fc27.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 1001
Created attachment 1429888 [details] File: backtrace
Created attachment 1429889 [details] File: cgroup
Created attachment 1429890 [details] File: core_backtrace
Created attachment 1429891 [details] File: cpuinfo
Created attachment 1429892 [details] File: dso_list
Created attachment 1429893 [details] File: environ
Created attachment 1429894 [details] File: limits
Created attachment 1429895 [details] File: maps
Created attachment 1429896 [details] File: mountinfo
Created attachment 1429897 [details] File: open_fds
Created attachment 1429898 [details] File: proc_pid_status
I noticed the: #1 0x00007f8a09ec17ac in g_log_default_handler (log_domain=log_domain@entry=0x7f8a09f02fae "GLib", log_level=log_level@entry=6, message=message@entry=0x7f899c0c8050 "Creating pipes for GWakeup: Too many open files\n", unused_data=unused_data@entry=0x0) at gmessages.c:3051 But is crashing really the best way to handle this?
Thanks for a bug report. It's the way glib (glib2 package) developers decided to behave. It usually points to a memory leak of some object which also contains that handle. That was the case in the past at least. Your open_fds shows tons of "eventfd" handlers, which are usually tight to the GWeakup or such, if I recall correctly. The hardest thing is to figure out after what action the list of opened files increases. As your crash happened in the evolution-source-registry, then it'll be "slightly harder". And as 3.26.6 is out for quite some time, I'm unsure whether this is related to evolution-data-server (eds) itself, because I'd expect this strike sooner. But it's only my opinion, it can be all in eds, only the conditions for the reproducer didn't happen yet. You can get the list of opened files with: $ lsof -p `pidof evolution-source-registry` | sort >/tmp/a then wait for a bit of time and rerun to the command, only to a different file: $ lsof -p `pidof evolution-source-registry` | sort >/tmp/b then you can "analyse" the changes with: $ cat /tmp/a | wc -l $ cat /tmp/b | wc -l $ cat /tmp/a | grep -c eventfd $ cat /tmp/b | grep -c eventfd and when the counts increase, supposing what action had been done during the two calls, it can help to chase the issue.
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