Hi Marc, thanks for help. Am 15.06.2018 um 22:50 schrieb Mark Reynolds: > > You did not run logconv.pl the way I requested, can you please run it > again this way: > > logconv.pl -ulatn <access logs> I omitted the detailed searches because there are user-data in it... but this here does't look like this is a problem: ----- Top 20 Most Frequent etimes ----- 64902 etime=0 157 etime=1 34 etime=3 27 etime=2 18 etime=4 > > I think the next step, besides gathering the right logconv output, would > be to get several pstacks of the ns-slapd process at the same time the > "hang" occurs. Then we can at least see what all the threads are doing > and hopefully get better information. I would try and get the > 389-ds-base-debuginfo package installed first though (this should give > us more readable pstacks). hm, I installed 389-ds-base-dbg and 389-ds-base-libs-dbg. What else do I have to do? pstack gives me: pstack 13463 13463: /usr/sbin/ns-slapd -D /etc/dirsrv/slapd-ldap0 -i /var/run/dirsrv/slapd-ldap0.pid -w /var/run/dirsrv/slapd-ldap0.startpid (No symbols found) 0x7f808a7717bc: ???? (7f803c03cf20, 0, 7f803c0421f0, 0, 7f808c0dc5d6, 5615f1d4bc80) + ffffd695834bb170 0x300000157: ???? (0, 200000, 0, 31, 3, 0) + ffffa9ea0c848bd3 crawl: Input/output error Error tracing through process 13463 Does this help: If everything runs fast: root@ldap0:~# cat /proc/13463/stack [<ffffffff810eaa9a>] hrtimer_start_range_ns+0x1aa/0x3d0 [<ffffffff810ea660>] hrtimer_init+0x110/0x110 [<ffffffff8121ce26>] poll_schedule_timeout+0x46/0x70 [<ffffffff8121e50f>] do_sys_poll+0x44f/0x560 [<ffffffff814aab95>] loopback_xmit+0x65/0xa0 [<ffffffff815785e5>] tcp_rate_gen+0x105/0x180 [<ffffffff81565fc7>] tcp_ack+0xd97/0x16e0 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff81209bcd>] __fput+0x17d/0x220 [<ffffffff8102f530>] recalibrate_cpu_khz+0x10/0x10 [<ffffffff810efbf6>] ktime_get_ts64+0x46/0xf0 [<ffffffff8121e707>] SyS_poll+0x67/0x120 [<ffffffff81003bd1>] do_syscall_64+0x91/0x1a0 [<ffffffff816137ce>] entry_SYSCALL_64_after_swapgs+0x58/0xc6 [<ffffffffffffffff>] 0xffffffffffffffff When it hangs: root@ldap0:~# cat /proc/13463/stack [<ffffffff810fa433>] futex_wait_queue_me+0xd3/0x140 [<ffffffff810fb2cc>] futex_wait+0xfc/0x260 [<ffffffff8121cff0>] poll_select_copy_remaining+0x150/0x150 [<ffffffff810fce17>] do_futex+0x2b7/0xb40 [<ffffffff810e81e7>] lock_timer_base+0x67/0x80 [<ffffffff810e839a>] internal_add_timer+0x1a/0x70 [<ffffffff81202d3b>] __check_object_size+0x10b/0x1dc [<ffffffff814eeece>] move_addr_to_user+0xbe/0xe0 [<ffffffff814ef160>] SYSC_getsockname+0x80/0xd0 [<ffffffff810fd723>] SyS_futex+0x83/0x180 [<ffffffff814efb17>] SyS_setsockopt+0xb7/0xf0 [<ffffffff81003bd1>] do_syscall_64+0x91/0x1a0 [<ffffffff816137ce>] entry_SYSCALL_64_after_swapgs+0x58/0xc6 [<ffffffffffffffff>] 0xffffffffffffffff This is reproducable. Regards Jan _______________________________________________ 389-users mailing list -- 389-users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to 389-users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/389-users@xxxxxxxxxxxxxxxxxxxxxxx/message/AH4EBT7XK6T6F6GHOIW4V46IVOAWXTRN/