FS#47937 - [linux] 4.3.3 Intel i915 display corruption - *ERROR* PCH transcoder B FIFO underrun
Attached to Project:
Arch Linux
Opened by Jason Antman (jantman) - Friday, 29 January 2016, 12:12 GMT
Last edited by Eli Schwartz (eschwartz) - Monday, 02 October 2017, 22:53 GMT
Opened by Jason Antman (jantman) - Friday, 29 January 2016, 12:12 GMT
Last edited by Eli Schwartz (eschwartz) - Monday, 02 October 2017, 22:53 GMT
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Details
## Background:
This seems to be an ongoing issue with i915 and display corruption. See: https://bugs.archlinux.org/task/47429 - closed as fixed in 4.3.3-2 https://bugs.archlinux.org/task/40952 - open, but against 3.15.1-1 Researching this has led me to the following possibly-related upstream bugs: https://bugs.freedesktop.org/show_bug.cgi?id=90841 https://bugs.freedesktop.org/show_bug.cgi?id=86478 https://bugs.freedesktop.org/show_bug.cgi?id=93055 ## Problem After performing a full upgrade which included linux-4.3.3-3 and xf86-video-intel-1:2.99.917+519+g8229390-1, I experienced severe corruption of my secondary external display. This was not previously present with linux-4.2.5-1 and xf86-video-intel-1:2.99.917+478+gdf72bc5-3. Per suggestions in https://bugs.archlinux.org/task/40952 I performed an Intel microcode update, but that did not change the corruption. Running the second display at a lower resolution *did* alleviate the problem, but was not a workable solution for me. I tried downgrading xf86-video-intel to the previous version and that did not help. Finally I downgraded my kernel back to 4.2.5-1 and that resolved the issue. ## Hardware Gigabyte GA-Z77-D3H rev 1.2, BIOS FA (rev 4.6) (latest non-beta), Intel Z77 Express chipset 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller]) My motherboard has a DVI-D and an HDMI output, both capable of driving 1900x1200. I have a primary display on the DVI-D running at 1900x1200, the monitor's native maximum resolution. The affected monitor is my secondary, attached via HDMI. I span both into one desktop using the native KDE tools (frontend to xrandr). The display corruption only occurred when I had my second monitor (16:9) driven at 1920x1080 (its native maximum res). Dropping it to 1600x1200 resolved the corruption issues but gave me a horribly distorted picture. ## Errors The following was visible in `dmesg` output when my display manager launched, and when I attempted to change the monitor resolution to native 1920x1080: [ 68.374990] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 68.374999] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun [ 135.382874] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 135.382883] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun [ 155.110500] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 155.110512] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun [ 223.433191] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 223.433211] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun [ 339.292655] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 339.292672] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun [ 394.101567] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 394.101585] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun [ 398.825169] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B [ 398.825190] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun ## Package upgrade that triggered the issue (partial list): [2016-01-28 14:34] [ALPM] upgraded linux-firmware (20150904.6ebf5d5-1 -> 20151207.bbe4917-1) [2016-01-28 14:34] [ALPM] upgraded linux (4.2.5-1 -> 4.3.3-3) [2016-01-28 14:37] [ALPM] upgraded xf86-input-evdev (2.10.0-2 -> 2.10.1-3) [2016-01-28 14:37] [ALPM] upgraded xf86-video-intel (1:2.99.917+478+gdf72bc5-3 -> 1:2.99.917+519+g8229390-1) [2016-01-28 14:37] [ALPM] upgraded xorg-server-common (1.18.0-3 -> 1.18.0-4) [2016-01-28 14:37] [ALPM] upgraded xorg-server (1.18.0-3 -> 1.18.0-4) [2016-01-28 14:37] [ALPM] upgraded xorg-server-devel (1.18.0-3 -> 1.18.0-4) ## Package downgrade that solved the issue: [2016-01-28 15:31] [ALPM] downgraded xf86-video-intel (1:2.99.917+519+g8229390-1 -> 1:2.99.917+478+gdf72bc5-3) [2016-01-28 17:51] [ALPM] downgraded linux (4.3.3-3 -> 4.2.5-1) [2016-01-28 17:51] [ALPM] downgraded linux-headers (4.3.3-3 -> 4.2.5-1) |
This task depends upon
Closed by Eli Schwartz (eschwartz)
Monday, 02 October 2017, 22:53 GMT
Reason for closing: Fixed
Additional comments about closing: seems to be fixed in linux 4.7
Monday, 02 October 2017, 22:53 GMT
Reason for closing: Fixed
Additional comments about closing: seems to be fixed in linux 4.7
xf86-video-intel (1:2.99.917+478+gdf72bc5-3 -> 1:2.99.917+519+g8229390-1)
linux (4.2.5-1 -> 4.4.1-2)
And the issue is back. I'll be downgrading again.
If anyone is aware of any further troubleshooting that I can do, I'll gladly do it. I'll also be happy to build xf86-video-intel locally, but I'm running a mainline kernel and would rather not deviate from that.
i'm experince an same error. But only on Wayland. My display begins to flicker after some time but not constantly. Then i start Gnome on X i don't have this error. The Logmessage is:
[ 736.186455] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[ 2651.864819] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[ 2651.864860] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
[ 2651.864881] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun
If I use full HD resolution of my external screen, it goes black (but sometimes flickers back on).
In case I turn down the resolution the monitor output is working but has random black flickers once in a while.
Downgrading only the kernel (video drivers were not necessary) kind of solved the issue. Except: I have to keep the internal screen on. As soon as I turn it off, the system hangs completely and has to be restarted.
Running Lenovo T430 with i5-3320M internal screen + Full HD one using DisplayPort. I'll try to help if there is anything I can do to squash this bug.