[systemd-devel] systemd+dbus: system boot stops at terminal login screen sometimes

[tang ke]

nobody reply?
于 2011年11月30日 17:49, Chen Jie 写道:
> Hi all,
>
> I found my system boot stops at terminal login screen sometimes under
> systemd v29 + dbus 1.4.16. I tried to login, after supplied username
> and password, it blocked with a blinking cursor.
>
> A primary debug shows:
> * dbus-daemon was doing a busy-loop in pending_activation_failed()
> (see http://lists.freedesktop.org/archives/dbus/2011-November/014790.html)
> * There was a message "Failed to activate service
> 'org.freedesktop.systemd1': timed out" in syslog (see the full syslog
> at http://lists.freedesktop.org/archives/dbus/attachments/20111125/e9c204bb/attachment-0001.obj)
>
> After I added more log funcs with gettimeofday generated timestamp
> "(tv_sec, tv_usec)", I found:
> * bus_init_api() calling dbus_bus_add_match failed with timeout -- the
> function starts at (1322641754,371276), ends at  (1322641779,396943)
> * In dbus side, I found it spends ~25s to send a log to syslog:
> timestamp: (1322641754,372197)
> bus_context_log (activation->context,
>                                DBUS_SYSTEM_LOG_INFO, "Activating
> systemd to hand-off: service name='%s' unit='%s'",
>                                service_name,
>                                entry->systemd_service);    //
> bus_activation_activate_service() @bus/activation.c
> timestamp: (1322641780,555)
>
> I guess there was something wrong with startup of rsyslog.service, and I found:
> * (1322641752,26061): [rsyslog.service]service_enter_start_pre()
> * (1322641753,382491): systemd-kmsg-syslogd[705]: systemd-kmsg-syslogd
> stopped as pid 705
> * (1322641779,692927): [rsyslog.service]service_enter_start()
>
> Start rsyslog.service will stop systemd-kmsg-syslogd.service first, so
> I added more log funcs in systemctl:
> * systemctl[1216]: start_unit_one(): (1322641753,229083)->(1322641753,383118)
> * systemctl[1216]: wait_filter() (1322641753,465392)Got D-Bus request:
> org.freedesktop.systemd1.Manager.JobRemoved() on
> /org/freedesktop/systemd1
> * systemctl[1216]: wait_for_jobs(): (1322641753,468987) finished
> "while (!set_isempty(s) &&dbus_connection_read_write_dispatch(bus,
> -1))"
> systemctl stop systemd-kmsg-syslogd.service didn't much time.
>
>
> The content of rsyslog.service:
> [Unit]
> Description=System Logging Service
>
> [Service]
> ExecStartPre=/bin/systemctl stop systemd-kmsg-syslogd.service
> ExecStart=/usr/sbin/rsyslogd -n -c5
> Sockets=syslog.socket
>
> [Install]
> WantedBy=multi-user.target
>
>
> Any idea?
>
> BTW, the gap between systemd-kmsg-syslogd.service stopped and rsyslog
> not ready will make it lost some log messages.
>
>
>
> Regards,
> --- Chen Jie
> _______________________________________________
> dbus mailing list
> dbus at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dbus
>


-- 
Best Regards


Tang Ke (Application develop of software department)
Tel：0086-512-52308628 Fax：0086-512-52308688
Phone:18962393077
E-mail:tangk at lemote.com  MSN：tangk at lemote.com, mumutouv at gmail.com
Web: http://www.lemote.com <http://www.lemote.com/>
JiangSu ZhongKe Lemote Technology Co.,Ltd
MengLan Industry Park,YuShan,ChangShu City,JiangSu,China

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