[Bug 93456] New: Intel D845GVAD2 ubuntu 15.10 GPU Hangs - stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93456

            Bug ID: 93456
           Summary: Intel D845GVAD2 ubuntu 15.10 GPU Hangs - stuck on
                    render ring
           Product: DRI
           Version: XOrg git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: sbahadur0 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 120600
  --> https://bugs.freedesktop.org/attachment.cgi?id=120600&action=edit
"tar -zcf" compressed archive

New installation of ubuntu 15.10 tried. Previously was using ubuntu 11.04 with
intel i915 linux drivers.
Installed latest intel drivers using :
intel-linux-graphics-installer_1.2.1-0intel2_i386.deb and 
Graphics (Unity Windows Manager) still operational - but is slow. Compiz
normally taking 50% of cpu time.

Files included in this report
error.gz : compressed crash dump file from sys error directory

info.txt : uname, os, h/w and xrandr

intel_reg_dump.txt : using "intel_reg dump" utility

dmesg.txt : post boot-up

lshw.txt : post boot-up

vbios.dmp : using procedure on website

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