Extremly long login time in F15?

Joachim Backes joachim.backes at rhrk.uni-kl.de
Wed Mar 30 15:04:03 UTC 2011


On 03/30/2011 03:01 PM, Panu Matilainen wrote:
> On 03/30/2011 11:05 AM, Joachim Backes wrote:
>> On 03/30/2011 10:02 AM, Panu Matilainen wrote:
>>> On 03/30/2011 10:22 AM, Joachim Backes wrote:
>>>> On 03/30/2011 09:14 AM, Panu Matilainen wrote:
>>>>> On 03/30/2011 08:07 AM, Joachim Backes wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I'm running F15 with gnome-shell.
>>>>>>
>>>>>> Having the following effect: after having entered the login
>>>>>> password, it
>>>>>> takes about 10-15 secs until the session is running and the
>>>>>> gnome-shell
>>>>>> panel appears at the desktop's top. For me, that extreme long: I
>>>>>> have a
>>>>>> dual core Intel CPU, both with 1.8 Ghz, and 2 Gigs of mem.
>>>>>>
>>>>>> Somebody can explain this effect?
>>>>>
>>>>> I'm seeing this too, both in Gnome 3 and XFCE sessions (where
>>>>> especially
>>>>> the latter should fire up in a blink of an eye), so it's something else
>>>>> than gnome-shell as such. Haven't got around to look into it (yet)
>>>>> though. Oh and no network filesystems involved here either.
>>>>>
>>>>> - Panu -
>>>>
>>>> Hi Panu,
>>>>
>>>> I took a look in /var/log/messages, and there is a time leap of 30 secs
>>>> between
>>>>
>>>> Mar 30 08:57:03 ..... gdm-simple-greeter[6636]: DEBUG(+):
>>>> GdmGreeterSession: Disposing greeter_session
>>>>
>>>> and
>>>>
>>>> Mar 30 08:57:33 ..... gdm-simple-slave[6573]: DEBUG(+): GdmCommon:
>>>> process (pid:6597) done (status:0)
>>>>
>>>> Do you see similar things?
>>>
>>> Yes, very much the same, there's a 30 sec pause in the log:
>>>
>>> [...]
>>> Mar 30 10:45:48 turre gdm-simple-slave[2160]: DEBUG(+):
>>> GdmWelcomeSession: Stopping welcome_session
>>> Mar 30 10:45:48 turre gdm-simple-slave[2160]: DEBUG(+): GdmCommon:
>>> sending signal 15 to process 2184
>>> Mar 30 10:45:48 turre gdm-simple-slave[2160]: DEBUG(+):
>>> GdmWelcomeSession: Waiting on process 2184
>>> Mar 30 10:45:48 turre gnome-session[2184]: WARNING: Invalid method call:
>>> Argument 0 is specified to be of type "boolean", but is actually of type
>>> "uint32"#012
>>> Mar 30 10:45:50 turre gnome-session[2184]: WARNING: Client
>>> '/org/gnome/SessionManager/Client2' failed to reply before timeout
>>> Mar 30 10:45:50 turre gnome-session[2184]: WARNING: Invalid method call:
>>> Argument 0 is specified to be of type "boolean", but is actually of type
>>> "uint32"#012
>>> Mar 30 10:45:50 turre gdm-simple-greeter[2219]: DEBUG(+):
>>> GdmGreeterSession: Disposing greeter_session
>>> Mar 30 10:46:20 turre gdm-simple-slave[2160]: DEBUG(+): GdmCommon:
>>> process (pid:2184) done (status:0)
>>> Mar 30 10:46:20 turre gdm-simple-slave[2160]: DEBUG(+):
>>> GdmWelcomeSession: WelcomeSession died
>>> Mar 30 10:46:20 turre gdm-simple-slave[2160]: DEBUG(+):
>>> GdmWelcomeSession: De-registering session from ConsoleKit
>>> Mar 30 10:46:20 turre gdm-simple-slave[2160]: DEBUG(+):
>>> GdmWelcomeSession: Stopping D-Bus daemon
>>> Mar 30 10:46:20 turre gdm-simple-slave[2160]: DEBUG(+): GdmCommon:
>>> sending signal 15 to process -2182
>>> Mar 30 10:46:20 turre gdm-simple-slave[2160]: DEBUG(+): GreeterServer:
>>> Stopping greeter server...
>>> [...]
>>>
>>> So quite apparently something is misfiring and there's a 30sec timeout
>>> on something, somewhere...
>>>
>>> Also I /think/ this didn't happen in F15-alpha originally when I
>>> installed it,
>>
>> Hi Panu,
>>
>> I can confirm this. This behaviour appeared after some updates. I don't
>> know what updates are the culprit :-(
>
> Turns out the bug is in at-spi2-core, exposed by a change in the way gdm
> runs its login-screen gnome-session. Was fun to dig up :)
>
> For the impatient, 'yum remove "at-spi2*"' should do the trick until an
> update is built for https://bugzilla.redhat.com/show_bug.cgi?id=691995.

Hi Panu,

your trick was very helpful. (Re-) logging in now needs 1-2 seconds.

Many thanks.

-- 
Joachim Backes <joachim.backes at rhrk.uni-kl.de>

http://www.rhrk.uni-kl.de/~backes

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