https://bugs.freedesktop.org/show_bug.cgi?id=56743
Priority: medium Bug ID: 56743 Assignee: dri-devel@lists.freedesktop.org Summary: Invalid command stream (bad START_3D) on DIS gpu Severity: normal Classification: Unclassified OS: Linux (All) Reporter: intergalactic.anonymous@gmail.com Hardware: x86-64 (AMD64) Status: NEW Version: unspecified Component: DRM/Radeon Product: DRI
Created attachment 69522 --> https://bugs.freedesktop.org/attachment.cgi?id=69522&action=edit dmesg output
On my muxed hybrid system (Lenovo IdeaPad U455) X works fine with IGD gpu (RS780M), but screen gets garbled when DIS gpu (RV710) is active. In dmesg output there are lots of following messages: [drm:r600_packet3_check] *ERROR* bad START_3D [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
My system is: Lenovo IdeaPad U455 with RS780M and RV710 gpus. linux-3.7.0-rc3+ libdrm-2.4.39 xf86-video-ati-6.14.6 mesa-9.0 glu-9.0 xorg-server-1.12.3