[Bug 48613] New: Zwift: ZwiftApp.exe startup crash on intel graphics hardware

WineHQ Bugzilla wine-bugs at winehq.org
Sun Feb 16 14:48:19 CST 2020


https://bugs.winehq.org/show_bug.cgi?id=48613

            Bug ID: 48613
           Summary: Zwift: ZwiftApp.exe startup crash on intel graphics
                    hardware
           Product: Wine
           Version: 5.1
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: wentam42 at gmail.com
      Distribution: ---

Created attachment 66453
  --> https://bugs.winehq.org/attachment.cgi?id=66453
Log of crash with +relay

On some machines, running ZwiftApp.exe (via RunWithProcess as described here:
https://bugs.winehq.org/show_bug.cgi?id=46313) results in a page fault not long
after launch.

As far as I can tell, this only happens on machines with intel graphics
hardware (see bug 46313 for a couple user confirmations).

Included is a log with +relay leading up to the crash. You can use grep -v
'GetLastError' to make it easier to read. As you can see, we're in the middle
of a bunch of opengl calls.

One thing that stands out to me are the glDrawElements calls:
opengl32.glDrawElements(00000005,000004db,00001403,00000000) ret=1403b751c

This does not seem to be valid usage of glDrawElements -- the last argument is
intended to be a pointer to vertex indices:
https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glDrawElements.xhtml

Repro steps, starting from fresh wineprefix on intel graphics hardware:
* winetricks dotnet35sp1
* Download/extract nirsoft RunWithProcess
* wine ZwiftLauncher.exe, wait for any updates to finish
* wine path/to/RunWithProcess.exe ZwiftLauncher.exe ZwiftApp.exe

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