Thanks Chauncellor, the stack trace is very good actually. It shows compiz is blocked in the intel driver:
intel_update_renderbuffers () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
This is probably the fault of the intel graphics driver, unless...
1. compiz is passing it invalid data. Looks highly unlikely; or
2. compiz is spinning at 100% CPU overwhelming the driver. Is it?
Thanks Chauncellor, the stack trace is very good actually. It shows compiz is blocked in the intel driver: renderbuffers () from /usr/lib/ x86_64- linux-gnu/ dri/i965_ dri.so
intel_update_
This is probably the fault of the intel graphics driver, unless...
1. compiz is passing it invalid data. Looks highly unlikely; or
2. compiz is spinning at 100% CPU overwhelming the driver. Is it?