UWS V2.0 Xqdsg server problems
Hal Brand
hbrand at lll-crg.llnl.gov
Sat May 13 07:35:20 AEST 1989
I am having the following problems with my DECWindows server under UWS V2.0
on my color VS2000:
1) I get "Xlib: Sequence lost" error messages. Mostly when running GNU Emacs
and I get them when running local, with a SUN 3/260 (SUNOS V4) as
the client machine, and with a VAX 11/785 (4.3 BSD) as the client!
After about 3 of these messages, emacs freezes and must be "kill"ed!
2) CLX (Franz Allegro CL with CLX/XCW) running on the Sun 3/260 consistantly
gives a sequence lost message. Interestingly, it expected 7 and got 1792.
Since 7*256 is 1792, I suspect that there may be a "big-endian" (which
CLX wants) and "little-endian" (which is native to the VS2000) problem!
The problem occurs on X protocol opcode QueryFont (47) and is consistant!
The first few bytes of the reply by the VS2000 server as recieved by
CLX (as best I can tell) are:
1 0 7 0 0 0 2 215 255 255 0 1 0 6 255 255 255 250 0 0 0 0 0 0 0 3 0 7 0 6.
3) Using XGetImage followed by XPutImage works fine with ZPixmap, but draws
garbage using XYPixmap (although the garbage is strongly related to the
original image!)! In a related problem, "xwd -xy | xpr -device ps" produces
a postscript file that prints garbage very similar to the garbage produced
when using XYPixmap format. Also, using XCopyArea from the root window
including subwindows to a pixmap and then using XCopyArea to copy that
pixmap to a window (i.e. xsnap) produces garbage (but again, garbage
related to the starting contents)!
4) Many of the cursors (including the upper-left, lower-left, upper-right
and lower-right brackets) have "dirt" (i.e. random bits set) at the
bottom of the cursor area!
Does anyone have any information to share about these problems?? I am
especially interested in fixing the sequence lost problem with CLX since
it is preventing work from my VS2000!!!
Hal Brand
hbrand at lll-crg.llnl.gov
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