If I turn off and on my monitor while the system is running (X running): 1) mouse/keyboard are slowed down noticeably for a couple of seconds. After that all become OK. 2) sometimes I got errors from the drm driver: [267751.865095] [drm:intel_dp_link_training_clock_recovery] *ERROR* failed to enable link training [267751.870784] [drm:intel_dp_start_link_train] *ERROR* failed to start channel equalization [267757.497419] [drm:intel_set_cpu_fifo_underrun_reporting] *ERROR* uncleared fifo underrun on pipe A [267757.497424] [drm:ironlake_irq_handler] *ERROR* CPU pipe A FIFO underrun This happens since I have a new monitor (philips bdm3270 attached via DP - the older was DVI). With kernel 4.4, it also happened (rarely) that video didn't come back after monitor power on (and with HDMI it seemed to happen even more frequently). I had to switch to a console VT, then video came up, but restarting X was still required. Not happened yet with kernel 4.5.2, but I updated too recently to say. Never tested with older kernels. If you _really_ need testing with drm-intel-nightly, please let me know, and I will try to schedule a reboot for this machine (but I can only check if the error comes up doing few on-off cycles; I can't let this machine run an unstable kernel any longer to confirm it never shows up). Steps to reproduce: 1) boot the PC up to x graphic session with monitor ON. 2) switch off the monitor 3) switch on the monitor xrandr --verbose Screen 0: minimum 8 x 8, current 2560 x 1440, maximum 32767 x 32767 DP1 connected primary 2560x1440+0+0 (0x4a) normal (normal left inverted right x axis y axis) 708mm x 398mm Identifier: 0x43 Timestamp: 15669 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: HDMI2 CRTC: 0 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff00410ce708f9120000 26190104b54728783a9145a7554ea025 0c5054bd4b00d1c081808140950f9500 b30081c00101565e00a0a0a029503020 3500c48e2100001e000000ff00415531 31353338303034383537000000fc0050 484c2042444d333237300a20000000fd 00174c0f631e010a202020202020010f 020320f44b010203040590111213141f 230907078301000067030c001000183c 023a80d072382d40102c9680c48e2100 0018023a801871382d40582c9600c48e 21000018283c80a070b0234030203600 c48e2100001a011d00bc52d01e20b828 5540c48e2100001e8c0ad09020403120 0c405500c48e210000180000000000c0 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on 2560x1440 (0x4a) 241.5MHz +HSync +VSync *current +preferred h: width 2560 start 2608 end 2640 total 2720 skew 0 clock 88.8KHz v: height 1440 start 1443 end 1448 total 1481 clock 60.0Hz 1920x1200 (0xe7) 154.0MHz +HSync -VSync h: width 1920 start 1968 end 2000 total 2080 skew 0 clock 74.0KHz v: height 1200 start 1203 end 1209 total 1235 clock 60.0Hz 1920x1080 (0xe8) 148.5MHz -HSync -VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.5KHz v: height 1080 start 1089 end 1095 total 1125 clock 60.0Hz 1920x1080 (0xe9) 148.5MHz +HSync +VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.5KHz v: height 1080 start 1084 end 1089 total 1125 clock 60.0Hz 1920x1080 (0xea) 148.5MHz -HSync -VSync h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.2KHz v: height 1080 start 1089 end 1095 total 1125 clock 50.0Hz 1920x1080 (0xeb) 148.5MHz +HSync +VSync h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.2KHz v: height 1080 start 1084 end 1089 total 1125 clock 50.0Hz 1920x1080 (0xec) 148.4MHz +HSync +VSync h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.4KHz v: height 1080 start 1084 end 1089 total 1125 clock 59.9Hz 1920x1080i (0xed) 74.2MHz +HSync +VSync Interlace h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.8KHz v: height 1080 start 1084 end 1094 total 1125 clock 60.1Hz 1920x1080i (0xee) 74.2MHz +HSync +VSync Interlace h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.1KHz v: height 1080 start 1084 end 1094 total 1125 clock 50.0Hz 1920x1080i (0xef) 74.2MHz +HSync +VSync Interlace h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.7KHz v: height 1080 start 1084 end 1094 total 1125 clock 60.0Hz 1680x1050 (0xf0) 146.2MHz -HSync +VSync h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.3KHz v: height 1050 start 1053 end 1059 total 1089 clock 60.0Hz 1280x1024 (0xf1) 135.0MHz +HSync +VSync h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 80.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 75.0Hz 1280x1024 (0xf2) 108.0MHz +HSync +VSync h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 64.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 60.0Hz 1440x900 (0xf3) 136.8MHz -HSync +VSync h: width 1440 start 1536 end 1688 total 1936 skew 0 clock 70.6KHz v: height 900 start 903 end 909 total 942 clock 75.0Hz 1440x900 (0xf4) 106.5MHz -HSync +VSync h: width 1440 start 1520 end 1672 total 1904 skew 0 clock 55.9KHz v: height 900 start 903 end 909 total 934 clock 59.9Hz 1280x960 (0xf5) 108.0MHz +HSync +VSync h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.0KHz v: height 960 start 961 end 964 total 1000 clock 60.0Hz 1280x720 (0xf6) 74.2MHz +HSync +VSync h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.0KHz v: height 720 start 725 end 730 total 750 clock 60.0Hz 1280x720 (0xf7) 74.2MHz +HSync +VSync h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.5KHz v: height 720 start 725 end 730 total 750 clock 50.0Hz 1280x720 (0xf8) 74.2MHz +HSync +VSync h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.0KHz v: height 720 start 725 end 730 total 750 clock 59.9Hz 1024x768 (0xf9) 78.8MHz +HSync +VSync h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.1KHz v: height 768 start 769 end 772 total 800 clock 75.1Hz 1024x768 (0xfa) 65.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 800x600 (0xfb) 49.5MHz +HSync +VSync h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz v: height 600 start 601 end 604 total 625 clock 75.0Hz 800x600 (0xfc) 40.0MHz +HSync +VSync h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz v: height 600 start 601 end 605 total 628 clock 60.3Hz 720x576 (0xfd) 27.0MHz -HSync -VSync h: width 720 start 732 end 796 total 864 skew 0 clock 31.2KHz v: height 576 start 581 end 586 total 625 clock 50.0Hz 720x480 (0xfe) 27.0MHz -HSync -VSync h: width 720 start 736 end 798 total 858 skew 0 clock 31.5KHz v: height 480 start 489 end 495 total 525 clock 60.0Hz 720x480 (0xff) 27.0MHz -HSync -VSync h: width 720 start 736 end 798 total 858 skew 0 clock 31.5KHz v: height 480 start 489 end 495 total 525 clock 59.9Hz 640x480 (0x100) 31.5MHz -HSync -VSync h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz v: height 480 start 481 end 484 total 500 clock 75.0Hz 640x480 (0x101) 31.5MHz -HSync -VSync h: width 640 start 664 end 704 total 832 skew 0 clock 37.9KHz v: height 480 start 489 end 491 total 520 clock 72.8Hz 640x480 (0x102) 30.2MHz -HSync -VSync h: width 640 start 704 end 768 total 864 skew 0 clock 35.0KHz v: height 480 start 483 end 486 total 525 clock 66.7Hz 640x480 (0x103) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 60.0Hz 640x480 (0x104) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 59.9Hz 720x400 (0x105) 28.3MHz -HSync +VSync h: width 720 start 738 end 846 total 900 skew 0 clock 31.5KHz v: height 400 start 412 end 414 total 449 clock 70.1Hz HDMI1 disconnected (normal left inverted right x axis y axis) Identifier: 0x44 Timestamp: 15669 Subpixel: unknown Clones: CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on HDMI2 disconnected (normal left inverted right x axis y axis) Identifier: 0x45 Timestamp: 15669 Subpixel: unknown Clones: DP1 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on HDMI3 disconnected (normal left inverted right x axis y axis) Identifier: 0x46 Timestamp: 15669 Subpixel: unknown Clones: CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: aspect ratio: Automatic supported: Automatic, 4:3, 16:9 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on VGA1 disconnected (normal left inverted right x axis y axis) Identifier: 0x47 Timestamp: 15669 Subpixel: unknown Clones: CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: VIRTUAL1 disconnected (normal left inverted right x axis y axis) Identifier: 0x48 Timestamp: 15669 Subpixel: no subpixels Clones: CRTCs: 3 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: lspci: 00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06) 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06) 00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06) 00:14.0 USB controller: Intel Corporation 9 Series Chipset Family USB xHCI Controller 00:16.0 Communication controller: Intel Corporation 9 Series Chipset Family ME Interface #1 00:19.0 Ethernet controller: Intel Corporation Ethernet Connection (2) I218-V 00:1a.0 USB controller: Intel Corporation 9 Series Chipset Family USB EHCI Controller #2 00:1b.0 Audio device: Intel Corporation 9 Series Chipset Family HD Audio Controller 00:1c.0 PCI bridge: Intel Corporation 9 Series Chipset Family PCI Express Root Port 1 (rev d0) 00:1c.3 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d0) 00:1c.7 PCI bridge: Intel Corporation 9 Series Chipset Family PCI Express Root Port 8 (rev d0) 00:1d.0 USB controller: Intel Corporation 9 Series Chipset Family USB EHCI Controller #1 00:1f.0 ISA bridge: Intel Corporation 9 Series Chipset Family Z97 LPC Controller 00:1f.2 SATA controller: Intel Corporation 9 Series Chipset Family SATA Controller [AHCI Mode] 00:1f.3 SMBus: Intel Corporation 9 Series Chipset Family SMBus Controller 03:00.0 PCI bridge: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge (rev 04) 04:01.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 02) lspci -vvn for the graphics card: 00:02.0 0300: 8086:0412 (rev 06) (prog-if 00 [VGA controller]) Subsystem: 1043:8534 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 27 Region 0: Memory at df800000 (64-bit, non-prefetchable) [size=4M] Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M] Region 4: I/O ports at f000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Address: fee00018 Data: 0000 Capabilities: [d0] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [a4] PCI Advanced Features AFCap: TP+ FLR+ AFCtrl: FLR- AFStatus: TP- Kernel driver in use: i915
Is this still issue with latest kernel?
(In reply to Jani Saarinen from comment #1) > Is this still issue with latest kernel? I didn't hit it anymore (now running a 4.8.4), so it seems fixed.
(In reply to andrea from comment #2) > (In reply to Jani Saarinen from comment #1) > > Is this still issue with latest kernel? > > I didn't hit it anymore (now running a 4.8.4), so it seems fixed. Thanks andrea for your confirmation and feedback
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