<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [drm:.r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)" href="https://bugs.freedesktop.org/show_bug.cgi?id=99851#c19">Comment # 19</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [drm:.r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD)" href="https://bugs.freedesktop.org/show_bug.cgi?id=99851">bug 99851</a> from <a class="email" href="mailto:intermediadc@hotmail.com" title="intermediadc@hotmail.com <intermediadc@hotmail.com>"> intermediadc@hotmail.com</a> <pre>(In reply to Alex Deucher from <a href="show_bug.cgi?id=99851#c17">comment #17</a>) > (In reply to <a href="mailto:intermediadc@hotmail.com">intermediadc@hotmail.com</a> from <a href="show_bug.cgi?id=99851#c16">comment #16</a>) > > why im sure it is an xorg issue or one of xorg component issue > > (cafedead),because on Lubuntu 14.04.5 i had kernel 4.9 and no issue but xorg > > was 1.6 > > X has nothing to do with the kernel ring tests. Those happen long before X > gets involved. If the ring tests fail, all acceleration is disabled so you > need to sort out the kernel issue before addressing X. Hi Alex, can you check this my post? can be a kms issue this and cafedead too? on my quad g5 i have the RadeonHD 7750 as first 16x pcie 0000:0a:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] 0000:0a:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] and the open firmware nouveau as the 3rd pcie 0001:06:00.0 VGA compatible controller: NVIDIA Corporation G70GL [Quadro FX 4500] (rev a1) On my kernel 4.10.8 i dont have a nouveau module installed . this is my kenrel append: nouveau.modeset=0 video=nouveaufb:off radeon.modeset=1 video=radeonfb:off pci=realloc radeon.dpm=1 pci=realloc video=offb:ff radeon.dpm=1 nosplash lsmod show drm_kms_helper 2 amdgpu,radeon i removed the /etc/X11/xorg.conf If i made an xorg -configure , xorg produce a nouveau configuration xorg.conf on busid 6:0:0 starting X made a black screen with cursor blinking so i removed the xorg driver for nouveau xorg -configure and xorg produce a modesetting xorg.conf on busid 6:0:0 starting X made a black screen without blinking cursor so i removed the /usr/bin/xorg/modules/driver/modesetting and xorg -configure dont find any screen and not made any xorg.conf.new i made my xorg.conf with radeon busid 10:0:0 i have a glitched graphic ... i removed glemour module on xorg i have radeon working but without acceleration...</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>