Created attachment 144627 [details] dmesg output, from boot The summary is the first error in the dmesg output when I run kaffeine, and a few seconds later, the video feed is sporadic, and a severe keyboard lock-up occurs. The system remains accessible via ssh when this happens. The error seems repeatable. In this situation, kaffeine is receiving standard-definition over-the-air digital television, U.S. standard, and displaying it via an HDMI connection in a window controlled by the Xfce environment, under Fedora 29. I'm using the graphics interface built into the Intel i5-2400 "Sandy Bridge" processor. The kernel in effect is 5.1.11-200.fc29.x86_64. It also occurs on the two available prior kernels, 5.1.8 and 5.1.9, but for some reason, this bug seems to have popped up recently for me. I seem to be limited to one attachment at this time, so I'll add more later. I may try to grab a dmesg with drm debug later.
Created attachment 144628 [details] contents of /sys/class/drm/card0/error
Created attachment 144629 [details] /var/log/Xorg.0.log, although it doesn't seem to be too useful
Created attachment 144630 [details] gzipped debug dmesg Dmesg with debug info was generated with kernel parameters "drm.debug=0x1e log_buf_len=1M", according to the instructions. Uncompressed size was less than 1M, so it seems to have everything.
rcs0 command stream: IDLE?: no START: 0x00001000 HEAD: 0x00807180 [0x00007040] head = 0x00007180, wraps = 4 TAIL: 0x000077e8 [0x00007180, 0x000071c8] CTL: 0x0001f001 len=131072, enabled MODE: 0x00004040 HWS: 0x7fffe000 ACTHD: 0x00000000 01cc1f30 at ring: 0x00000000 IPEIR: 0x00000000 IPEHR: 0x71000014 INSTDONE: 0xff88ff6f busy: EU 12 busy: EU 11 busy: EU 10 busy: EU 02 busy: EU 01 busy: EU 00 busy: VFE busy: TS SC_INSTDONE: 0xbedfa2fe batch: [0x00000000_03128000, 0x00000000_031a8000] BBADDR: 0x00000000_01cc1f31 BB_STATE: 0x00000020 INSTPS: 0x80000209 INSTPM: 0x00000080 FADDR: 0x00000000 01cc2100 RC PSMI: 0x00000010 FAULT_REG: 0x00000000 SYNC_0: 0x00000000 SYNC_1: 0x00000000 GFX_MODE: 0xcee1ea09 PP_DIR_BASE: 0x7fdf0000 seqno: 0x00000583 last_seqno: 0x00000588 ring->head: 0x00006ff8 ring->tail: 0x000077e8 hangcheck timestamp: 0ms (4294790016; epoch) engine reset count: 0 Active context: kaffeine[2483] user_handle 0 hw_id 0, prio 0, ban score 0 guilty 0 active 0 Stan, This is related to libva, can you please report this issue here https://github.com/intel/libva/issues. Closing this issue as NOTOURBUG.
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