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Frontend not responding
http://forum.linhes.org/viewtopic.php?f=21&t=22645		 Page 1 of 1
Author:  cantator [ Thu Jun 14, 2012 11:25 am ]
Post subject:  Frontend not responding
I have my MBE tucked away in the utility room. There is a frontend installed on it so if I want I can go in and schedule/delete recordings, etc... The last few days it has been unresponsive. No keyboard commands seem to work at all. I can ssh into it, the backend is serving my remote frontends, mythweb works, but I can't use the frontend on the MBE server. I know the keyboard is working, because I also have it kvm'd to my Windows server. It is a relatively fresh install of 7.2, and pacman -Syu shows that it is all up to date. Has anyone else had an issue like this? Thanks in advance for any help!
Author:  nbdwt73 [ Thu Jun 14, 2012 6:34 pm ]
Post subject:  Re: Frontend not responding
I have seen that on occasion. I just stop and re-start the frontend (with the monitor turned on so Xorg can detect it) and all is (usually) well...
Author:  cantator [ Fri Jun 15, 2012 9:30 am ]
Post subject:  Re: Frontend not responding
I did stop and start the frontend through ssh several times (sv stop/start frontend), as well as a couple of system reboots, but no dice. It just does not respond. When the frontend is stopped, it does not drop out to the yellow linhes screen, but to the last bit of the boot load information.

I looked at the xorg.conf and it looks like the keyboard and mouse are showing up:

Code:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Tue Aug  1 21:11:12 PDT 2006
Section "ServerFlags"
        Option "AutoAddDevices" "False"
EndSection

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
#    RgbPath         "/usr/X11R6/lib/X11/rgb"
EndSection

Section "Module"
    Load           "dbe"
    Load           "extmod"
#    Load           "type1"
    Load           "freetype"
    Load           "glx"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "keyboard"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
#    HorizSync
#    VertRefresh
    Option         "DPMS" "false"
#    DisplaySize  203 153
#INSERT MODELINE
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    Option "DPI" "100 x 100"

    Option "DPI" "100 x 100"
    Option "NoLogo" "1"

#INSERT HERE

#END OPTIONS

#    Option "ConnectedMonitor" "DFP"
#    Option "FlatPanelProperties" "Scaling = centered, Dithering = enabled"
#    Option "DigitalVibrance" "0"
#    Option "TransparentIndex" "0"
#    Option  "CursorShadowAlpha" "64"
#    Option  "CursorShadowXOffset"  "4"
#    Option  "UseEdidFreqs" "True"
#    Option  "NvAGP" "1"

EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
         Modes "800x600"
    EndSubSection
EndSection



Not a clue what the hell is going on... :?
Author:  cantator [ Fri Jun 15, 2012 9:53 am ]
Post subject:  Re: Frontend not responding
Also, when I am ssh'd in, have stopped the frontend, and then run mythtv-setup, it says that it cannot connect to X server....
Author:  tscholl [ Fri Jun 15, 2012 11:29 am ]
Post subject:  Re: Frontend not responding
Don't know if this is relative or not but since you said that setup couldn't find the x server it might be.

I had a problem on 7.2 that after some change (that should not have been related) X wouldn't start.
I was getting a Failed to load module "nvidia" I did finally fix it but it was ugly.
http://forum.linhes.org/viewtopic.php?f=21&t=22625
Author:  cantator [ Fri Jun 15, 2012 12:28 pm ]
Post subject:  Re: Frontend not responding
Ok- I have never had to dig into any log files before, but this is what I am finding:

Code:
2012-06-15T11:40:31.231612-04:00 mythtv mythfrontend: X.Org X Server 1.9.2
2012-06-15T11:40:31.231631-04:00 mythtv mythfrontend: Release Date: 2010-10-30
2012-06-15T11:40:31.231635-04:00 mythtv mythfrontend: X Protocol Version 11, Revision 0
2012-06-15T11:40:31.231638-04:00 mythtv mythfrontend: Build Operating System: Linux 2.6.28-LinHES i686
2012-06-15T11:40:31.231641-04:00 mythtv mythfrontend: Current Operating System: Linux mythtv 2.6.39-LinHES #1 SMP PREEMPT Fri Oct 7 04:50:03 UTC 2011 i686
2012-06-15T11:40:31.231645-04:00 mythtv mythfrontend: Kernel command line: root=/dev/disk/by-uuid/ed56e9d8-266b-4c9d-8938-ffc9cbf4de34    ro    init=/sbin/runit    vmalloc=192M    console=tty1   
2012-06-15T11:40:31.231648-04:00 mythtv mythfrontend: Build Date: 14 January 2011  03:27:31AM
2012-06-15T11:40:31.231651-04:00 mythtv mythfrontend: 
2012-06-15T11:40:31.231653-04:00 mythtv mythfrontend: Current version of pixman: 0.20.0
2012-06-15T11:40:31.231656-04:00 mythtv mythfrontend: #011Before reporting problems, check http://wiki.x.org
2012-06-15T11:40:31.231659-04:00 mythtv mythfrontend: #011to make sure that you have the latest version.
2012-06-15T11:40:31.231663-04:00 mythtv mythfrontend: Markers: (--) probed, (**) from config file, (==) default setting,
2012-06-15T11:40:31.231726-04:00 mythtv mythfrontend: #011(++) from command line, (!!) notice, (II) informational,
2012-06-15T11:40:31.231730-04:00 mythtv mythfrontend: #011(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
2012-06-15T11:40:31.231738-04:00 mythtv mythfrontend: (==) Log file: "/var/log/Xorg.0.log", Time: Fri Jun 15 11:40:31 2012
2012-06-15T11:40:31.231839-04:00 mythtv mythfrontend: (==) Using config file: "/etc/X11/xorg.conf"
2012-06-15T11:40:31.231856-04:00 mythtv mythfrontend: (==) Using config directory: "/etc/X11/xorg.conf.d"
2012-06-15T11:40:31.233485-04:00 mythtv acpid: client 23137[0:0] has disconnected
2012-06-15T11:40:31.233523-04:00 mythtv acpid: client 23137[0:0] has disconnected
2012-06-15T11:40:31.233527-04:00 mythtv acpid: client connected from 4605[0:0]
2012-06-15T11:40:31.233529-04:00 mythtv acpid: 1 client rule loaded
2012-06-15T11:40:31.256450-04:00 mythtv mythfrontend: (EE) Failed to load module "kbd" (module does not exist, 0)
2012-06-15T11:40:31.256549-04:00 mythtv mythfrontend: (EE) Failed to load module "mouse" (module does not exist, 0)
2012-06-15T11:40:31.546123-04:00 mythtv acpid: client connected from 4605[0:0]
2012-06-15T11:40:31.546157-04:00 mythtv acpid: 1 client rule loaded
2012-06-15T11:40:31.695565-04:00 mythtv mythfrontend: (EE) Failed to load module "kbd" (module does not exist, 0)
2012-06-15T11:40:31.695590-04:00 mythtv mythfrontend: (EE) No input driver matching `kbd'
2012-06-15T11:40:31.695773-04:00 mythtv mythfrontend: (EE) Failed to load module "mouse" (module does not exist, 0)
2012-06-15T11:40:31.695796-04:00 mythtv mythfrontend: (EE) No input driver matching `mouse'


So it appears that the keyboard and mouse modules are not loading.
Author:  cantator [ Wed Jun 20, 2012 7:52 am ]
Post subject:  Re: Frontend not responding
To give this thread some closure, and for those of us that are somewhat Linux challenged, I am posting my resolution.

As I mentioned earlier in the thread, the error logs indicated that the keyboard and mouse modules were not loading. In all the years I have been using LinHES (and KnoppMyth, for that matter), I had never had this happen. I am still not sure why they even disappeared.

At any rate, my googling about produced this: To add the keyboard and mouse modules back in, use the following scripts:

Code:
pacman -Sy xf86-input-keyboard
pacman -Sy xf86-input-mouse


This re-installs the necessary modules for the keyboard and mouse.
Author:  mattbatt [ Sun Jun 24, 2012 10:51 pm ]
Post subject:  Re: Frontend not responding
Thanks for the closure.. Too many of our threads just drift off into more questions.
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