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<H1>[Mageia-dev] Fwd: Re: M3 won't complete boot after update</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Fwd%3A%20Re%3A%20%20M3%20won%27t%20complete%20boot%20after%20update&In-Reply-To=%3C50644713.501%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] Fwd: Re: M3 won't complete boot after update">mageia at colin.guthr.ie
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<I>Thu Sep 27 14:31:15 CEST 2012</I>
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<PRE>'Twas brillig, and Anne Wilson at 27/09/12 11:02 did gyre and gimble:
><i> On 27/09/12 10:15, Colin Guthrie wrote:
</I>>><i> Does it work when forcing a runlevel 3 boot instead. This is
</I>>><i> closer to a proper boot and likely a better testing environment. I
</I>>><i> presume the getty's are showing for you in level 3?
</I>><i>
</I>><i> To my surprise, the same, text boot, to level 3 does complete perfectly.
</I>><i> There are a couple of gpg messages, though:
</I>><i>
</I>><i> gpg-agent: enabled debug flags: assuan
</I>><i> can't connect to '/home/anne/.gnupg/log-socket': No such file or
</I>><i> directory.
</I>
Curious but almost certainly unrelated.
><i> I don't know whether this is to be expected, or whether it has any
</I>><i> relevance at this point.
</I>><i>
</I>><i> "systemctl show prefdm.service | grep ActiveEnter.*Mono" returns 0
</I>><i>
</I>><i> I presume this is to be expected at this stage.
</I>
Yes, this is expected on runlevel 3.
><i> "systemctl start prefdm.service"
</I>><i> Failed to issue method call: Access denied
</I>
Yes, this is because you are not root.
><i> In case that has to be root, I used "su -" then the same command, but
</I>><i> that just gives me a flashing cursor.
</I>
So it was just hanging there? It would be interesting to run systemctl
--no-block start prefdm.service and then run "systemctl status
prefdm.service" and see what kind of state it was in. i.e. is it
starting, or failed etc.
It should eventually fail after a couple minutes and perhaps give you
some interesting log message about it.
>><i> The results of this test are only really valuable if you do a
</I>>><i> normal boot to runlevel 5 as this is when the service should be
</I>>><i> started.
</I>><i>
</I>><i> Doesn't runlevel 5 attempt to launch the desktop, though? I don't see
</I>><i> how I can do that.
</I>
Indeed, the test there would be weather or not the system is even trying
to start the graphical desktop or something has prevent it getting that far.
I presume it does try and start a graphical desktop then? If so, can you
not switch to vt2 at this stage and get a login getty prompt to do some
debugging? (e.g. systemctl status prefdm.service and see what state it's
in etc.)
>><i> What I'm trying to work out here is if the job relating to
</I>>><i> starting the prefdm.service had to be ejected due to some kind of
</I>>><i> conflict.
</I>><i>
</I>>><i> If there is a conflict then the values will be 0 and this will
</I>>><i> explain why your graphical desktop does not start.
</I>><i>
</I>><i> While the new reboot is completing, and while I remember - irqbalance
</I>><i> daemon always fails to start. I've assumed it's not relevant?
</I>
I noticed this yesterday too. It has a very incomplete systemd unit for
some reason. Will have to investigate who added that without checking it.
>>>>>><i> If it still fails, then try starting prefdm.service
</I>>>>>>><i> manually (systemctl start prefdm.service) and see what
</I>>>>>>><i> happens.
</I>>>>><i>
</I>>>>><i> Nothing at all happens. It returns to the prompt.
</I>>><i> This is curious. Does this also occur at runelevel 3? What does
</I>>><i> systemctl status prefdm.service tell you after it returns you to
</I>>><i> the prompt?
</I>><i>
</I>><i> prefdm.service - Display Manager
</I>><i> Loaded: loaded (/usr/lib/systemd/system/prefdm.service: static)
</I>><i> Active: inactive (dead)
</I>><i> CGroup: name=systemd:/system/prefdm.service
</I>><i>
</I>>><i> Is there anything useful in the kdm log file about why kdm failed
</I>>><i> to launch X11?
</I>><i>
</I>><i> Looks like an X11 problem. The netbook is Atom N550, Intel everything.
</I>><i>
</I>><i> tail kdm.log
</I>><i>
</I>><i> Fatal server error:
</I>><i> no screens found
</I>><i> (EE)
</I>><i> Please consult......
</I>><i> (EE) Please also check the log file at "var/log/Xorg.0.log" for
</I>><i> additional information
</I>><i> (EE)
</I>><i> Server terminated with error (1). Closing log file.
</I>
Yup, it's an X problem plain and simple, ignore all the rest of the
systemd debugging options above.
><i> from Xorg.0.log file:
</I>><i>
</I>><i> LoadModule "v4l"
</I>><i> Warning, couldn't open module v4l
</I>><i> UnloadModule "v4l"
</I>><i> Unloading v4l
</I>><i> Failed to load module "v4l" (module does not exist, 0)
</I>><i> LoadModule "glx"
</I>><i> Loading /usr/lib/xorg/modules/extensions/libglx.so
</I>><i> Module glx: vendor="X.Org Foundation"
</I>><i> compiled for 1.13.0 module version = 1.0.0
</I>><i> ABI class: X.Org Server Extension, version 7.0
</I>><i> AIGLX enabled
</I>><i> Loading extension GLX
</I>><i> LoadModule "intel"
</I>><i> Warning: couldn't open module intel
</I>><i> UnloadModule: "intel"
</I>><i> Unloading intel
</I>><i> Failed to load module "intel" (module does not exist, 0)
</I>><i> No drivers available
</I>><i> Fatal server error:
</I>><i> no screens found
</I>><i> Please consult.....
</I>><i>
</I>><i> Looks as though we've found it.
</I>><i>
</I>>>>><i> We have all spent a lot of time on this. There are files on
</I>>>>><i> the netbook that I must recover, so now it's decision time.
</I>>>>><i> It would probably be easier and quicker to grab the latest
</I>>>>><i> image (in which case can you remind me where to go for that)
</I>>>>><i> but I am willing to continue if there is any possibility that
</I>>>>><i> what we discover could save grief for others.
</I>>>>><i>
</I>>>>><i> What do you think?
</I>>><i> Plenty more to debug if you want to continue.
</I>><i>
</I>><i> Probably Intel graphics are less common than ATi and NVidia, but if
</I>><i> there is a real problem here (as opposed to user-caused one) we should
</I>><i> continue. I can hold on a bit longer. Just give me the next steps :-)
</I>
Oh I would disagree. I think intel is more common (but I base this on
very little evidence!) Certainly I *always* ensure I have an intel card
in anything I purchase. Their Open Source commitment is just much better
than the others IMO.
Are you sure the packages are all up-to-date? I guess this relates to
the recently(ish) updated X11 stack.
I presume you have the x11-driver-video-intel package installed?
Col
--
Colin Guthrie
colin(at)mageia.org
<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A>
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</PRE>
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