https://bugs.freedesktop.org/show_bug.cgi?id=83996
Priority: medium Bug ID: 83996 Assignee: dri-devel@lists.freedesktop.org Summary: [drm:r100_ring_test] *ERROR* radeon: ring test failed - since linux-3.17_rc1 on RS690/RS740 [Radeon 2100] Severity: normal Classification: Unclassified OS: Linux (All) Reporter: jospezial@gmx.de Hardware: Other Status: NEW Version: DRI CVS Component: DRM/Radeon Product: DRI
This bug report is a fork of https://bugs.freedesktop.org/show_bug.cgi?id=82588
This do I get on a AMD64 Gentoo linux with xf86-video-ati-7.4.0 since linux-3.17_rc1. X starts but GPU acceleration is disabled.
[ 6.787592] [drm] Initialized drm 1.1.0 20060810 [ 7.007890] [drm] radeon kernel modesetting enabled. [ 7.008441] [drm] initializing kernel modesetting (RS740 0x1002:0x796E 0x105B:0x0E13). [ 7.008456] [drm] register mmio base: 0xFEAF0000 [ 7.008457] [drm] register mmio size: 65536 [ 7.009087] ATOM BIOS: ATI [ 7.009102] radeon 0000:01:05.0: VRAM: 128M 0x0000000038000000 - 0x000000003FFFFFFF (128M used) [ 7.009104] radeon 0000:01:05.0: GTT: 512M 0x0000000040000000 - 0x000000005FFFFFFF [ 7.009117] [drm] Detected VRAM RAM=128M, BAR=128M [ 7.009118] [drm] RAM width 128bits DDR [ 7.009204] [TTM] Zone kernel: Available graphics memory: 443784 kiB [ 7.009206] [TTM] Initializing pool allocator [ 7.009212] [TTM] Initializing DMA pool allocator [ 7.009235] [drm] radeon: 128M of VRAM memory ready [ 7.009236] [drm] radeon: 512M of GTT memory ready. [ 7.009251] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 7.025657] [drm] radeon: 1 quad pipes, 1 z pipes initialized. [ 7.025670] [drm] PCIE GART of 512M enabled (table at 0x0000000032F00000). [ 7.025726] radeon 0000:01:05.0: WB enabled [ 7.025730] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr 0x0000000040000000 and cpu addr 0xffff880032ea5000 [ 7.025733] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 7.025734] [drm] Driver supports precise vblank timestamp query. [ 7.025744] [drm] radeon: irq initialized. [ 7.025753] [drm] Loading RS690/RS740 Microcode [ 7.071137] [drm] radeon: ring at 0x0000000040001000 [ 7.228868] [drm:r100_ring_test] *ERROR* radeon: ring test failed (scratch(0x15E4)=0xCAFEDEAD) [ 7.228875] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22). [ 7.228883] radeon 0000:01:05.0: failed initializing CP (-22). [ 7.228888] radeon 0000:01:05.0: Disabling GPU acceleration [ 7.375499] [drm:r100_cp_fini] *ERROR* Wait for CP idle timeout, shutting down CP. [ 7.521222] Failed to wait GUI idle while programming pipes. Bad things might happen. [ 7.521467] [drm] radeon: cp finalized
With linux-3.16.x it works. lspci: 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS740 [Radeon 2100]
some messages from Xorg.log:
[ 24.729] (--) RADEON(0): Chipset: "ATI RS740" (ChipID = 0x796e) [ 24.729] (II) RADEON(0): GPU accel disabled or not working, using shadowfb for KMS
[ 24.869] (WW) RADEON(0): Direct rendering disabled [ 24.869] (II) RADEON(0): Acceleration disabled
[ 24.871] (WW) RADEON(0): Option "AccelMethod" is not used
[ 24.879] (II) AIGLX: Screen 0 is not DRI2 capable [ 24.879] (EE) AIGLX: reverting to software rendering [ 25.578] (II) AIGLX: Loaded and initialized swrast [ 25.578] (II) GLX: Initialized DRISWRAST GL provider for screen 0
Result of bisecting between v3.16 and v3.17-rc1:
77497f2735ad6e29c55475e15e9790dbfa2c2ef8 is the first bad commit commit 77497f2735ad6e29c55475e15e9790dbfa2c2ef8 Author: Michel Dänzer michel.daenzer@amd.com Date: Thu Jul 17 19:01:07 2014 +0900
drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly
Signed-off-by: Michel Dänzer michel.daenzer@amd.com Reviewed-by: Christian König christian.koenig@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com
:040000 040000 7da27ed892f4ea02ef8e758eda7165ce336d19cc 369d9e0ff185b6e6c9614de87296fc60072f56b9 M drivers :040000 040000 c3203bef4546e1781ba218fa5232c12cd2a883a2 b655879d0fefad7b591333930fddfd3cc67afa8d M include
Reverting that whole patch on v3.17-rc5 is not as easy because then compile fails.