There are a number of troubling "Unknown unclaimed register" messages that get put to dmesg with default log level on haswell machines. Some of these are erroneous, for example indicative of untidy bios.
This bug is basically a tracker bug for things https://bugs.freedesktop.org/58897
first round of patches is here:
http://lists.freedesktop.org/archives/intel-gfx/2013-February/thread.html#24866
There are a number of troubling "Unknown unclaimed register" messages that get put to dmesg with default log level on haswell machines. Some of these are erroneous, for example indicative of untidy bios.
This bug is basically a tracker bug for things https:/ /bugs.freedeskt op.org/ 58897
first round of patches is here:
http:// lists.freedeskt op.org/ archives/ intel-gfx/ 2013-February/ thread. html#24866