[Bug 97909] X-Plane 10 crashes with SIGSEGV on radeonsi

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97909

            Bug ID: 97909
           Summary: X-Plane 10 crashes with SIGSEGV on radeonsi
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: chris.bugsfd at broke-the-inter.net
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 126749
  --> https://bugs.freedesktop.org/attachment.cgi?id=126749&action=edit
Patch/Hack

The SIGSEGV is being raised because ib->buffer is NULL.

I don't know whether my solution is correct or not.

Is it okay to simply return if ib->buffer is NULL, is it okay to run those last
lines of that if block if ib->buffer isn't NULL only, is it okay to call
si_emit_draw_packets with ib->buffer being NULL, ...?

All I can say is that X-Plane is working fine with this patch/hack.

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