[Bug 51769] New: ClientSideGraphics=N with 30-bit color depth makes all graphical applications crash

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51769

            Bug ID: 51769
           Summary: ClientSideGraphics=N with 30-bit color depth makes all
                    graphical applications crash
           Product: Wine
           Version: 6.17
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: winex11.drv
          Assignee: wine-bugs at winehq.org
          Reporter: aros at gmx.com
      Distribution: ---

If ClientSideGraphics=N and Xorg->DefaultDepth=30 all graphical Windows
applications crash on startup.

BTW I enabled this option a long time ago and I've no idea why. Does anyone
know if this option is still beneficial for anything in 2021? Or it's been
deprecated a long time ago?

wine: Unhandled page fault on read access to FFFF0000 at address FFFF0000
(thread 0024), starting debugger...
winedbg: Internal crash at 0xffff0000

$ winedbg winecfg
WineDbg starting on pid 011c
0x7bc7a9e1: ret
Wine-dbg>cont
Unhandled exception: page fault on execute access to 0xffff0000 in 32-bit code
(0xffff0000).
Register dump:
 CS:0023 SS:002b DS:002b ES:002b FS:0063 GS:006b
 EIP:ffff0000 ESP:0021e7bc EBP:0021e828 EFLAGS:00010206(  R- --  I   - -P- )
 EAX:7cd64490 EBX:0028ee90 ECX:0028f0d8 EDX:00000047
 ESI:0028f0d8 EDI:00000000
Stack dump:
0x0021e7bc:  7cd21e26 7cd64490 00000000 00000021
0x0021e7cc:  00000047 0028f0f8 00000001 0021edfc
0x0021e7dc:  00000000 00000000 402a0000 0021e830
0x0021e7ec:  00000045 22000000 0000000d 0000000b
0x0021e7fc:  00000002 00000002 00000000 00000005
0x0021e80c:  00000015 00000190 00000000 00000060
Backtrace:
=>0 0xffff0000 (0x0021e828)
  1 0x7cd22005 (0x0021e8b8)
  2 0x7cd25c16 (0x0021eab8)
  3 0x7d731437 (0x0021ec78)
  4 0x7d75f229 (0x0021ed08)
  5 0x7def0424 in user32 (+0xa0423) (0x0021f658)
  6 0x7def0ffc in user32 (+0xa0ffb) (0x0021f6d8)
  7 0x7d34bd56 (0x0021f748)
  8 0x7d34cba8 (0x0021f7e8)
  9 0x7df0a91c in user32 (+0xba91b) (0x0021f828)
  10 0x7df0b103 in user32 (+0xbb102) (0x0021f888)
  11 0x7df0d416 in user32 (+0xbd415) (0x0021f8d8)
  12 0x7dec5a61 in user32 (+0x75a60) (0x0021f988)
  13 0x7de89ecb in user32 (+0x39eca) (0x0021fae8)
  14 0x7de8a7b8 in user32 (+0x3a7b7) (0x0021fb28)
  15 0x7d33a9d4 (0x0021fba8)
  16 0x7d341b27 (0x0021fc08)
  17 0x7eb1d921 in winecfg (+0xd920) (0x0021fe68)
  18 0x7eb24d4e in winecfg (+0x14d4d) (0x0021fef8)
  19 0x7eb24c86 in winecfg (+0x14c85) (0x0021ff30)
  20 0x7b6520e0 in kernel32 (+0x320df) (0x0021ff48)
  21 0x7bc7eba7 (0x0021ff5c)
  22 0x7bc7f292 (0x0021ffec)
0xffff0000: -- no code accessible --

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