[K12OSN] Repost: KStars downloaded images blank

[Robert Arkiletian]

I did email the developers/maintainers yesterday but no reponse back yet.
I'll let you know when they do. Thanks for your confirmation of the problem 
Terrell. I appreciate your help. 

Robert Arkiletian


On Sunday 13 June 2004 10:21 am, Terrell Prude', Jr. wrote:
> I have replicated your results w/ K12LTSP 3.1.1; KStars doesn't itself
> show anything but blackness in the "image" window, but I can save it and
> view it in, say, Eye of Gnome.  I wanted to try it w/o any updates to
> 3.1.2, just in case that was it.
>
> I've also tried it after updating to 3.1.2 (apt-get update, apt-get
> upgrade).  My results now are less positive, because now KStars dies
> with ASSERT statements in qvaluelist.h (some Qt header).
>
> Have you reported what you've found to the KStars maintaner(s)?
>
> --TP
>
> Terrell Prude', Jr. wrote:
> > I'll try it out this weekend and let you know what I find; I've got a
> > server box handy that I can use for this purpose.  I've just been so
> > swamped this last week, otherwise I'd have this done for you by now.
> >
> > --TP
> >
> > Robert Arkiletian wrote:
> >> ***** Has anyone gotten KStars show image to work on a client ? *******
> >>
> >> Update:
> >> I stuck in a S3 virge gx2 and the same problem persists. I asked a
> >> friend about this and he asked a friend and he replied:
> >> ===========================================
> >> - This sort of problem is often due to inadequate support for graphics
> >> acceleration.  KStars as provided by Debian is dynamically linked to the
> >> GL libraries.  Perhaps he should check what package he's using to
> >> provide
> >> libGL on his server; in an LTSP setup, something software-only like
> >> mesag3
> >> might be worth trying.
> >>
> >> - FWIW, I tried running KStars through an SSH tunnel (a possibly similar
> >> scenario) and did observe the problem described (but with the DSS query
> >> feature - a star with the SEDS option wasn't immediately handy): image
> >> downloaded but only a blank image-viewer window appearing.  At the time
> >> the image-viewer window appeared I got the following errors on the
> >> console:
> >>
> >> kstars: WARNING: KDE detected X Error: BadAccess (attempt to access
> >> private resource denied) \x0a
> >>  Major opcode:  \x92
> >> kstars: WARNING: KDE detected X Error: BadShmSeg (invalid shared
> >> segment parameter) \xab
> >>  Major opcode:  \x92
> >> kstars: WARNING: KDE detected X Error: BadShmSeg (invalid shared
> >> segment parameter) \xab
> >>  Major opcode:  \x92
> >> ============================================
> >>
> >> I can't figure out why KStars would need opengl support when it's
> >> only displaying jpg's and gif's.
> >> ***** Has anyone gotten KStars show image to work on a client ? *******
> >>
> >> Robert Arkiletian
> >>
> >> On Friday 04 June 2004 11:45 pm, Robert Arkiletian wrote:
> >>> Well all 30 of them use nvidia riva 128's but I do have a S3 trio64+
> >>> and an
> >>> old matrox sitting around. Thanks for the idea Terrell. I will pop
> >>> out an
> >>> nvidia card on one of them and test it out on monday. But I doubt it
> >>> will
> >>> make any difference because if I SAVE the image with KStars I can
> >>> then view
> >>> it with any image viewer (gimp, eog, web browsers). It's a real
> >>> showstopper
> >>> if you have to save and then open the image with another viewer
> >>> though. I
> >>> still think it has something to do with kdeinit and/or the XF86config
> >>> settings in lts.conf. What I am looking for from this listserve is just
> >>> some people to take a couple of seconds and try KStars from a client
> >>> and
> >>> see if they experience the same problem.
> >>> If they do, then I'm going to contact the developers and see if I can
> >>> report it as a bug.
> >>>
> >>> Thanks for your reply Terrell, I appreciate it.
> >>>
> >>> Robert Arkiletian
> >>> Eric Hamber Secondary
> >>>
> >>> On Friday 04 June 2004 7:15 pm, Terrell Prude', Jr. wrote:
> >>>> Do you by any chance have a thin client with any other type of video
> >>>> card?  You're right; if they're just GIFs and JPEGs, they should
> >>>> display
> >>>> just fine.  Also, if you go Web surfing on your clients, do the
> >>>> GIFs and
> >>>> JPEGs display properly?  When you save these images from within
> >>>> KStars,
> >>>> can you view them with, say, Kuickshow, Electric Eyes, or The GIMP on
> >>>> your clients?
> >>>>
> >>>> --TP
> >>>>
> >>>> Robert Arkiletian wrote:
> >>>>> Right clicking on a heavenly body in KStars will usually bring up the
> >>>>> "Show SEDS image" option. The image downloads but it will not display
> >>>>> with KStars. The image window is blank.
> >>>>>
> >>>>> I can save the image okay, though. This problem only exists on my
> >>>>> clients. They are all nvidia riva 128's. However, on the server which
> >>>>> has an on board ATI rage pro chip the images appear properly
> >>>>> (regardless if I log in as root or a user). However, on the clients,
> >>>>> even as root I do not get an image (just black space in the image
> >>>>> window)
> >>>>>
> >>>>> So it's not a permission problem. I figure it must be a problem with
> >>>>> XF86Config for the clients and server being different.
> >>>>>
> >>>>> I have enabled 24 bit color (as the riva 128 can't do 16 with xfree86
> >>>>> 4.3) and set XSERVER = auto in lts.conf. I even tried XSERVER =
> >>>>> nv, no
> >>>>> luck. The damn images are just gif's and jpg's. Any video card should
> >>>>> be able to display them.
> >>>>>
> >>>>> I looked at top (interactive A option) and I found the program was
> >>>>> ----------kdeinit------------ that was trying to display the images.
> >>>>> I don't know anything about kdeinit but it must somehow call an image
> >>>>> viewing mechanism. Somehow the client xserver is not able to display
> >>>>> the downloaded image with kdeinit.
> >>>>>
> >>>>> Can someone try to view these celestial SEDS images on their
> >>>>> clients and
> >>>>> confirm this behavior??? KStars is an awsome program worth the
> >>>>> effort.
> >>>>>
> >>>>> Do I need any modules loaded with Xfree86? Anyone have any ideas to
> >>>>> solve this issue.
> >>>>>
> >>>>> BTW I'm using k12ltsp 3.1.2
> >>>>>
> >>>>> Robert Arkiletian
> >>>>> Eric Hamber Secondary
>
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