I am currently using the instructions at this link to trace events in QEMU. I am trying to trace all of the system's memory accesses, but I haven't found a good document defining the trace events found in the "trace-events" file in the root directory of QEMU's source tarball.
I am having a trouble with my Ubuntu 14.04, it worked perfectly till four days ago.
now when I open it, it logs normally in the beggining, with the "checking media [fail]" but then after the purple waiting it shows quickly a black screen with these words:
drm: module has bad taint, not creating trace events
i915: module has bad taint, not creating trace events
cfg80211: module has bad taint, not