https://bugzilla.kernel.org/show_bug.cgi?id=104791 Peter Wu <peter@xxxxxxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |peter@xxxxxxxxxxxxx --- Comment #6 from Peter Wu <peter@xxxxxxxxxxxxx> --- The problem is that nouveau_switcheroo_optimus_dsm() unconditionally calls function 0x1B ("NOUVEAU_DSM_OPTIMUS_FLAGS") without checking that this function is actually supported. Lenovo's firmware decides to run into an infinite loop in this case instead of returning an error code. Proposed patch: https://lkml.kernel.org/r/1463244575-3515-1-git-send-email-peter@xxxxxxxxxxxxx -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
