[prev in list] [next in list] [prev in thread] [next in thread] 

List:       ltsp-discuss
Subject:    Re: [Ltsp-discuss] NeoWare CA22 clients - weired behavior with display settings
From:       richard kweskin <rkwesk_ltsp () hellug ! gr>
Date:       2015-09-25 7:30:52
Message-ID: fe09851b0f1bb461a7fbd45f5a43a069 () hellug ! gr
[Download RAW message or body]

On 2015-09-20 14:38, Stefan U. Hegner wrote:
> Hey folks,
>
>  haven't been around for quite a while. - That's a good sign 
> regarding
> LTSPs stability and performance. - A big thanks for all the efforts 
> of
> the last years!
>
>  In my home-setup I came across a weird phenomen that costed me my
> day, yesterday. The good news is, that I solved it. - However, I'd
> like to post this in order to
>  - understand the issue, and
>  - enable others not to tap into the same trap
>
>  Setup: A Debian Jessie Server (64bit) with 4 NeoWare CA22 clients,
> either with 256 MB or 1 GB  RAM; several types of display (19' CRT,
> 17' LCD, 19' LCD, 22' LCD).
>
>  Two stations were working with X (merkur & mars -- the ones with the
> 19' displays, one with 256 MB, the other with 1GB), venus & erde, the
> other two, simply got no picture with X.
>
>  Here is the relevant section from my lts.conf:
>
>  Old Config - no longer working on VENUS and ERDE
>  New Config - now is all fine again
>
>  [neoware]
>  #       XSERVER        = vesa
>
>      SOUND              = True
>      SOUND_DAEMON       = pulse
>          VOLUME             = 90
>      PCM_VOLUME       = 90
>          MIC_VOLUME         = 100
>
>  ### NeoWare clients
>  [merkur]          
>  # Neoware CA22 - 19' LCD, 1GB RAM
>      LIKE           = neoware
>          X_VIDEORAM         = 65536
>         X_VERTREFRESH      = 56-75
>         X_HORZSYNC         = 31-83
>         X_MODE_0        = 1280x1024
>         X_COLOR_DEPTH        = 24
>
>  [venus]              
>  # Neoware CA22 - 22' LCD, 1GB RAM
>      LIKE           = neoware
>   
>         X_VIDEORAM         = 65536
>          X_VERTREFRESH      = 56-76
>          X_HORZSYNC         = 61
>         X_COLOR_DEPTH        = 24
>      XRANDR_OUTPUT       = default
>      XRANDR_MODE_0       = 1680x1050   
>
>  [erde]              
>  # Neoware CA22 - 17' LCD, 256 MB RAM
>      LIKE           = neoware
>
>          X_VIDEORAM         = 16384
>         X_VERTREFRESH      = 56-75
>         X_HORZSYNC         = 31-80
>         X_MODE_0        = 1280x1024
>         X_COLOR_DEPTH        = 24
>
>  [mars]              
>  # Neoware CA22 - 19' CRT, 256 MB RAM
>      LIKE           = neoware
>          X_VIDEORAM         = 16384
>      X_VERTREFRESH       = 50-160
>      X_HORZSYNC       = 30-95
>      X_MODE_0         = 1600x1200
>      X_COLOR_DEPTH      = 24
>
>  [neoware]
>  #       XSERVER        = vesa
>
>      SOUND              = True
>      SOUND_DAEMON       = pulse
>          VOLUME             = 90
>      PCM_VOLUME       = 90
>          MIC_VOLUME         = 100
>
>  ### NeoWare clients
>  [merkur]          
>  # Neoware CA22 - 19' LCD, 1GB RAM
>      LIKE           = neoware
>          X_VIDEORAM         = 65536
>         X_VERTREFRESH      = 56-75
>         X_HORZSYNC         = 31-83
>         X_MODE_0        = 1280x1024
>         X_COLOR_DEPTH        = 24
>
>  [venus]              
>  # Neoware CA22 - 22' LCD, 1GB RAM
>      LIKE           = neoware
>         XSERVER        = vesa
>          X_VIDEORAM         = 65536
>          X_VERTREFRESH      = 56-76
>          X_HORZSYNC         = 61
>         X_COLOR_DEPTH        = 24
>      XRANDR_OUTPUT       = default
>      XRANDR_MODE_0       = 1680x1050
>  #    XRANDR_NEWMODE_0   = 1680x1050 154.20 1680 1712 2296 2328
> 1050 1071 1081 1103
>      XRANDR_RATE_0       = 60
>
>  [erde]                    
>  # Neoware CA22 - 17' LCD, 256 MB RAM
>
>          LIKE               = neoware
>         XSERVER        = vesa
>          X_VIDEORAM         = 16384
>          X_VERTREFRESH      = 56-75
>          X_HORZSYNC         = 31-80
>          X_MODE_0           = 1280x1024
>          X_COLOR_DEPTH      = 24
>  #    XRANDR_OUTPUT       = default
>  #    XRANDR_MODE_0       = 1280X1024
>  #    XRANDR_RATE_0       = 60
>
>  [mars]              
>  # Neoware CA22 - 19' CRT, 256 MB RAM
>
>      LIKE           = neoware
>          X_VIDEORAM         = 16384
>      X_VERTREFRESH       = 50-160
>      X_HORZSYNC       = 30-95
>      X_MODE_0         = 1600x1200
>      X_COLOR_DEPTH      = 24
>
>  1. It seems that under certain circumstances, it is not necessary to
> specify "XSERVER = vesa" with the NeoWare CA22. - Why this is so, I
> have no clue. - Possibly that the other required settings imply for
> some reason the vesa server? - If someone's got a hint on that, this
> would be interesting. By the way, would there be any other Xserver
> working on this client alternatively?
>
>  2. On ERDE, I also tried to set the mode woht the XRANDR options.
> However, I went back to the "classic" options, because I got a bigger
> virtual desktop and no way to move the screen window within it. (I 
> had
> only the upper left corner of a felt 1920x1080 resolution. - Is there
> another option to specify this? - Anyhow, this behavior was wired and
> now I got a workaround.
>
>  3. On VENUS, I specified a modline - as it appears that it is not
> necessary I commented it out. However, my question is, whether the
> syntax is correct. I didn't find any examples for "XRANDR_NEWMODE_0"
> on the net.
>
>  Thanks a lot folks, and have a nice day.
>
>  Stefan.

If you check the version of the package xserver-xorg-core in Debian 
Jessie you will see it is newer than Wheezy (1.12). See 
https://www.mail-archive.com/ltsp-discuss%40lists.sourceforge.net/msg42175.html

Richard
------------------------------------------------------------------------------
_____________________________________________________________________
Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
      https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
For additional LTSP help,   try #ltsp channel on irc.freenode.net

[prev in list] [next in list] [prev in thread] [next in thread]