Bug 107391

Summary: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
Product: Drivers Reporter: Cristian Aravena Romero (caravena)
Component: Video(DRI - Intel)Assignee: intel-gfx-bugs (intel-gfx-bugs)
Status: RESOLVED INVALID    
Severity: normal CC: intel-gfx-bugs
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 4.3 Subsystem:
Regression: No Bisected commit-id:
Attachments: dmesg_4.3.0-040300-generic.txt
lspci_-vvnn.txt

Description Cristian Aravena Romero 2015-11-06 18:19:02 UTC 
Working HDMI



dmesg:
[   28.091510] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
[   33.991195] usb 1-2: new low-speed USB device number 3 using xhci_hcd
[   34.479764] usb 1-2: New USB device found, idVendor=0e8f, idProduct=00fb
[   34.479770] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   34.479773] usb 1-2: Product: USB Mouse
[   34.479776] usb 1-2: Manufacturer: YSTEK
[   34.480040] usb 1-2: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
[   34.482889] input: YSTEK USB Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:0E8F:00FB.0002/input/input12
[   34.484226] hid-generic 0003:0E8F:00FB.0002: input,hidraw0: USB HID v1.10 Mouse [YSTEK USB Mouse] on usb-0000:00:14.0-2/input0
[   44.272974] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B
[   46.956008] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
[   83.381202] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B
[   83.826014] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
[   83.826079] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun
[   95.684475] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B
Comment 1 Cristian Aravena Romero 2015-11-06 18:20:55 UTC 
Created attachment 192281 [details]
dmesg_4.3.0-040300-generic.txt
Comment 2 Cristian Aravena Romero 2015-11-06 18:21:50 UTC 
Created attachment 192291 [details]
lspci_-vvnn.txt
Comment 3 Jani Nikula 2015-11-09 08:21:44 UTC 
Please file new i915 bugs at 
https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel