Bug#884638: Still seeing this bug
While I haven't noticed any display cutouts, I still see this error in dmesg.
Version: Linux 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1
System: Gigabyte BRIX GB-BKi7HA-7500
CPU: Intel(R) Core(TM) i7-7500U
Graphics: Intel® HD Graphics 620
Monitors: 1 Mini DisplayPort, 1 HDMI (1080)
Kernel output:
[Jun13 11:58] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun13 13:23] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun13 13:49] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun13 16:47] perf: interrupt took too long (3993 > 3977), lowering
kernel.perf_event_max_sample_rate to 50000
[Jun13 17:17] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 06:46] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 06:50] pool[10544]: segfault at 0 ip 00007ff3ed57c6d6 sp
00007ff3e5e4a9d0 error 4 in
libgs_plugin_systemd-updates.so[7ff3ed57b000+2000]
[Jun14 10:01] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 10:10] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 10:23] perf: interrupt took too long (5016 > 4991), lowering
kernel.perf_event_max_sample_rate to 39750
[Jun14 13:47] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 14:00] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 14:17] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 14:39] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 15:24] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun14 18:39] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun15 06:40] pool[4788]: segfault at 0 ip 00007f910014a6d6 sp
00007f90f8b209d0 error 4 in
libgs_plugin_systemd-updates.so[7f9100149000+2000]
[Jun15 07:50] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[Jun15 09:24] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
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