https://bugzilla.kernel.org/show_bug.cgi?id=196273 Bug ID: 196273 Summary: Loss of video output and system freezes *ERROR* Couldn't read SADs: 0 Product: Drivers Version: 2.5 Kernel Version: 4.12.0 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: olaf@xxxxxxxxxxxx Regression: No Created attachment 257353 --> https://bugzilla.kernel.org/attachment.cgi?id=257353&action=edit lspci output I have a Gentoo system with kernel 4.12.0 and after a while the display goes black. After of that the system is accessible via ssh, but any intent of restart the xserver results in a freeze. I have to reset the system in order to have a working systems. This situation repeats very often in different time lapses. The video card is an AMD Radeon R9 380 (sapphire nitro). 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Tonga PRO [Radeon R9 285/380] (rev f1) I have downloaded and tested with the new firmware from http://people.freedesktop.org/~agd5f/radeon_ucode/tonga/ Seems to be a problem with amdgpu driver. I can see a variety of errors in dmesg: [ 8.088336] AMD-Vi: Event logged [ [ 8.088337] IO_PAGE_FAULT device=01:00.0 domain=0x000f address=0x000000f4001a8300 flags=0x0010] [ 8.642870] amdgpu: [powerplay] Can't find requested voltage id in vdd_dep_on_sclk table! This message seems to be the last before the video goes black. drm:0xffffffffa00d4f5d] *ERROR* Couldn't read SADs: 0 I can provide any additional information required. Thanks for your help in advance. -- 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
