FYI, we noticed the below changes on https://github.com/0day-ci/linux Micha-Winiarski/drm-i915-Adjust-size-of-PIPE_CONTROL-used-for-gen8-render-seqno-write/20160315-022943 commit eed648fb80e4d1d6bd2c43ece712bb6163e31125 ("drm/i915: Adjust size of PIPE_CONTROL used for gen8 render seqno write") <5>[ 21.858222] Key type id_resolver registered <5>[ 21.862980] Key type id_legacy registered <5>[ 51.663700] random: nonblocking pool is initialized <3>[ 179.392726] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer elapsed... render ring idle To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Kernel Test Robot