https://bugs.freedesktop.org/show_bug.cgi?id=39017
Summary: [bisected] Segfault in Gallium drivers in Mupen64Plus
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Mesa core
AssignedTo: mesa-dev@lists.freedesktop.org
ReportedBy: bryancain3+...@gmail.com
With the current git master and any Gallium driver, trying to play any game in
Mupen64Plus (with its default video plugin) results in a segfault almost
immediately when the driver tries to draw or validate VBOs. I've confirmed
this on softpipe, llvmpipe, and nv50.
I've bisected the regression to this commit:
commit 12fa91b6753dccbd3aa12c570d1f1e55c7dc0582
Author: Thomas Hellstrom <thellst...@vmware.com>
Date: Mon Mar 7 11:24:43 2011 +0100
st/mesa: Fix an incorrect user vertex buffer reference
st->user_vb[attr] was always pointing to the same user vb, regardless
of the value of attr. Together with reverting the temporary workaround
for bug 34378, and a fix in the svga driver, this fixes googleearth on
svga.
Reverting only the second part of that commit fixes the issue in master,
although that looks like more of a workaround than a proper fix.
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