Ubuntu
xserver-xorg-video-nouveau package

  1. Bug #1033533
  2. Comment #9

Comment 9 for bug 1033533

Revision history for this message
Bryce Harrington (bryce) wrote : Re: Xorg crashed with SIGABRT: exaMemcpyBox with src=0x0 - "Unhandled dwarf expression opcode 0xfa"

In perusing the dupe bugs, all are nouveau with software rendering. Several are using virtualbox but most are getting sw for some other reason.