The first is that the Notepad application does not start, and attempting to run RUN DECW$NOTEPAD.EXE from DCL yields the following crash dump:
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$ R DECW$NOTEPAD
X Toolkit Warning: Cannot convert string "-*-Menu-Medium-R-Normal--*-120-*-*-P-*
-ISO8859-1" to type FontStruct
X Toolkit Warning:
Name: Help
Class: XmPushButton
Illegal mnemonic character; Could not convert X KEYSYM to a keycode
X Toolkit Warning:
Name: Help
Class: XmPushButton
Illegal mnemonic character; Could not convert X KEYSYM to a keycode
X Toolkit Warning: Cannot convert string "-*-Terminal-Medium-R-Narrow--*-140-*-*
-C-*-ISO8859-1" to type FontStruct
%SYSTEM-F-ACCVIO, access violation, reason mask=04, virtual address=000000000000
0000, PC=FFFF8300097EF73D, PS=0000001B
Improperly handled condition, image exit forced.
Signal arguments: Number = 0000000000000005
Name = 000000000000000C
0000000000000004
0000000000000000
FFFF8300097EF73D
000000000000001B
Register dump:
RAX = 0000000000000000 RDI = 000000000016CBF0 RSI = 000000000016CBF4
RDX = 0000000000200B40 RCX = 0000000000000000 R8 = 0000000000172700
R9 = 00000000000D3680 RBX = 0000000000003180 RBP = 000000007ACBB190
R10 = 0000000000000006 R11 = 0000000000000246 R12 = 000000000012A100
R13 = 0000000000200051 R14 = 0000000000000000 R15 = 0000000000200051
RIP = FFFF8300097EF73D RSP = 000000007ACBB180 SS = 000000000000001B
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$ R DECW$PAINT
X Toolkit Warning: Cannot convert string "-*-Menu-Medium-R-Normal--*-120-*-*-P-
-ISO8859-1" to type FontStruct
Error: Visual Not Supported
Supported Visuals are {PseudoColor, GrayScale, StaticGray}
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6.9.10 Pixel Depth for Read/Write Color Map
By default, the RADEON 7500 provides a pixel depth of 24 planes with a read-only, TrueColor color map. Some applications, such as DECwindows Paint, require a read/write color map. If Paint is run with a read-only color map, it fails with the following error message:
Error: Visual Not Supported Supported Visuals are {PseudoColor, GrayScale, StaticGray}
To use a read/write color map, edit the file SYS$MANAGER:DECW$PRIVATE_SERVER_SETUP.COM (or, if this file does not exist, create it from SYS$MANAGER:DECW$PRIVATE_SERVER_SETUP.TEMPLATE) and add the following logical name definition to the file:
$ DEFINE/EXECUTIVE/SYSTEM/NOLOG DECW$SERVER_PIXEL_DEPTH 8,8,8,8,8,8,8,8
Then restart DECwindows using the following command:
$ @SYS$MANAGER:DECW$STARTUP RESTART
This change sets the pixel depth to 8 planes (on up to 8 graphics cards, which allows for a multiple-card configuration) and allows the server to provide a PseudoColor visual.
I have attempted to follow this advice even though I am x-forwarding instead of running directly on a Radeon graphics card... however, the DECW$PRIVATE_SERVER_SETUP.TEMPLATE file mentioned in this documentation does not exist in SYS$MANAGER on E9.2-1. Attempting to create a PRIVATE_SERVER_SETUP.COM file by hand, or running that define command in the same terminal where I am attempting to start the paint program does not fix the error. Any ideas what might be going on?