6826499 System panic when installing drm irq after killing Xorg

[miao.c...@sun.com]

Author: miao chen - Sun Microsystems - Beijing China <Miao.Chen at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: 9b7665eea41090b7c472d20fdb860af613ca57ab
Total changesets: 1
Log message:
6826499 System panic when installing drm irq after killing Xorg

Files:
        update: usr/src/uts/intel/io/drm/i915_dma.c