Quoting Michal Wajdeczko (2019-07-03 14:02:51) > On Wed, 03 Jul 2019 13:40:06 +0200, Chris Wilson > <chris@xxxxxxxxxxxxxxxxxx> wrote: > > > Quoting Michal Wajdeczko (2019-07-03 12:36:40) > >> GuC firmware is now mature, so let it run by default. > >> Note that today GuC is only used for HuC authentication. > > > > https://bugs.freedesktop.org/show_bug.cgi?id=110617 ? > > Above bug was found on suspicious kernel with old GuC 9.39: > > [ 2.381803] [drm] HuC: Loaded firmware i915/kbl_huc_ver02_00_1810.bin > (version 2.0) > [ 2.386316] [drm] GuC: Loaded firmware i915/kbl_guc_ver9_39.bin > (version 9.39) > [ 2.438318] [drm:intel_huc_auth] *ERROR* HuC: Firmware not verified > 0x6000 > [ 2.445235] [drm:intel_huc_auth] *ERROR* HuC: Authentication failed -110 > [ 2.451975] i915 0000:00:02.0: GuC initialization failed -110 > > while results from try-bot [1] with 33.0.0 on KBL are looking fine: > > [ 3.854084] [drm] HuC: Loaded firmware i915/kbl_huc_ver02_00_1810.bin > (version 2.0) > [ 3.865419] [drm] GuC: Loaded firmware i915/kbl_guc_33.0.0.bin (version > 33.0) > [ 3.876243] i915 0000:00:02.0: GuC submission disabled > [ 3.876245] i915 0000:00:02.0: HuC enabled > > Note that newer GuC fixes other known issue [2] that has similar signature: > > [160.168623] [drm:intel_huc_auth [i915]] *ERROR* HuC: Firmware not > verified -110 > [160.168839] [drm:intel_huc_auth [i915]] *ERROR* HuC: Authentication > failed -110 > [160.169159] [drm:i915_gem_init_hw [i915]] *ERROR* Enabling uc failed > (-110) Pushed the switch to the new GuC version, but I am deferring the decision to enable-by-default to someone in MAINTAINERS. Probably Joonas if he survives his swim with the fishes. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
