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gr0sshirn
Tux's lil' helper
Tux's lil' helper


Joined: 03 Nov 2006
Posts: 101
Location: Germany

PostPosted: Tue Jan 17, 2017 12:56 pm    Post subject: Displaylink USB HDMI device not working Reply with quote

Hi,

just got a new display link adapter and can't get it working.
It can't be an hardware issue as this thing is working fine with the Micro$oft OS and with Ubuntu.

My environment is as follows:
- Gentoo Linux with vanilla kernel 4.9.2, systemd
- compiled the kernel with the UDL kernel module and framebuffer support (CONFIG_DRM_UDL=y, CONFIG_FB_UDL=y)
- installed evdi-1.2.64-r1 and displaylink-driver-1.2.58 from the hossie-Overlay
- updated the ebuild to driver version 1.2.65 (the current one) and installed it
- Desktop environment: GDM / Mate desktop

Starting the X server:
# modprobe udl
# systemctl start dlm
# systemctl start gdm

After starting X:
$ xrandr --setprovideroutputsource 1 0

Sometimes the device reconnects itself and appears a second time for no reason. Therefore:
$ xrandr --setprovideroutputsource 2 0


Result:
The screen appears in the screen configuration tool, but trying to set it on fails with an error notification: "The selected configuration for displays could not be applied".
It also doesn't work when I try to set a lower resolution / refresh rate.

Code:
$ xrandr --auto
xrandr: Configure crtc 3 failed


dmesg:
Code:

[   19.264720] usb 2-1.4: Warning! Unlikely big volume range (=511), cval->res is probably wrong.
[   19.265990] usb 2-1.4: [14] FU [DisplayLink Audio Playback Volume] ch = 6, val = -8176/0/16
[   32.062069] evdi: [I] Initialising logging on level 5
[   37.732792] evdi: [D] add_store:195 Increasing device count to 1
[   37.733177] evdi: [D] evdi_crtc_init:312 drm_crtc_init: 0
[   37.733293] evdi: [W] evdi_painter_crtc_state_notify:377 Painter does not exist!
[   37.733358] evdi: [D] evdi_detect:72 Painter is disconnected
[   37.733424] evdi evdi.0: No connectors reported connected with modes
[   37.733474] [drm] Cannot find any crtc or sizes - going 1024x768
[   37.734774] evdi evdi.0: fb1: evdidrmfb frame buffer device
[   37.736463] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   37.738116] [drm] No driver support for vblank timestamp query.
[   37.739352] [drm] evdi: evdi_stats_init
[   37.739367] [drm] Initialized evdi 1.2.64 20161003 on minor 1
[   51.676020] usbcore: registered new interface driver udl
[   64.222168] evdi: [D] add_store:195 Increasing device count to 2
[   64.223934] evdi: [D] evdi_crtc_init:312 drm_crtc_init: 0
[   64.225837] evdi: [W] evdi_painter_crtc_state_notify:377 Painter does not exist!
[   64.225906] evdi: [D] evdi_detect:72 Painter is disconnected
[   64.227479] evdi evdi.1: No connectors reported connected with modes
[   64.227483] [drm] Cannot find any crtc or sizes - going 1024x768
[   64.230345] evdi evdi.1: fb2: evdidrmfb frame buffer device
[   64.230355] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   64.230356] [drm] No driver support for vblank timestamp query.
[   64.230357] [drm] evdi: evdi_stats_init
[   64.230372] [drm] Initialized evdi 1.2.64 20161003 on minor 2
[   69.981110] evdi: [D] evdi_detect:72 Painter is disconnected
[   69.981192] evdi: [D] evdi_detect:72 Painter is disconnected
[   69.988247] evdi: [D] evdi_detect:72 Painter is disconnected
[   69.988293] evdi: [D] evdi_detect:72 Painter is disconnected
[   69.989294] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=0) Notifying crtc state: 3
[   69.989297] evdi: [W] evdi_painter_send_crtc_state:266 Painter is not connected!
[   69.989530] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=0) Notifying crtc state: 3
[   69.989533] evdi: [W] evdi_painter_send_crtc_state:266 Painter is not connected!
[   70.074065] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=0) Notifying crtc state: 3
[   70.074069] evdi: [W] evdi_painter_send_crtc_state:266 Painter is not connected!
[   70.075130] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=0) Notifying crtc state: 3
[   70.075133] evdi: [W] evdi_painter_send_crtc_state:266 Painter is not connected!
[   70.145542] evdi: [W] evdi_painter_disconnect:478 (dev=0) An unknown connection to ffff8801e7509400 tries to close us
[   70.145547] evdi: [W] evdi_painter_disconnect:479  - ignoring
[   70.151566] evdi: [W] evdi_painter_disconnect:478 (dev=0) An unknown connection to ffff88023d8e9400 tries to close us
[   70.151569] evdi: [W] evdi_painter_disconnect:479  - ignoring
[   70.158263] evdi: [D] evdi_painter_connect:448 (dev=0) Connected with           (null)
[   70.158270] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[   70.158307] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=1) Notifying crtc state: 3
[   70.299559] evdi: [D] evdi_detect:72 Painter is disconnected
[   70.299674] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[   70.299679] evdi: [D] evdi_painter_get_edid_copy:192 (dev=1) 00 ff ff
[   84.659852] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[   84.659857] evdi: [D] evdi_painter_get_edid_copy:192 (dev=1) 00 ff ff
[   84.660032] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[   84.660034] evdi: [D] evdi_painter_get_edid_copy:192 (dev=1) 00 ff ff
[   84.662881] evdi: [D] evdi_detect:72 Painter is disconnected
[   84.662929] evdi: [D] evdi_detect:72 Painter is disconnected
[   84.663927] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=1) Notifying crtc state: 3
[   84.664116] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=0) Notifying crtc state: 3
[   84.664118] evdi: [W] evdi_painter_send_crtc_state:266 Painter is not connected!
[   84.677203] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=1) Notifying crtc state: 3
[   84.678298] evdi: [D] evdi_painter_crtc_state_notify:374 (dev=0) Notifying crtc state: 3
[   84.678300] evdi: [W] evdi_painter_send_crtc_state:266 Painter is not connected!
[  103.905750] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[  103.905757] evdi: [D] evdi_painter_get_edid_copy:192 (dev=1) 00 ff ff
[  103.905957] evdi: [D] evdi_detect:72 Painter is disconnected
[  106.979557] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[  106.979563] evdi: [D] evdi_painter_get_edid_copy:192 (dev=1) 00 ff ff
[  106.979807] evdi: [D] evdi_detect:72 Painter is disconnected
[  106.995903] evdi: [D] evdi_detect:69 (dev=1) Painter is connected
[  106.995911] evdi: [D] evdi_painter_get_edid_copy:192 (dev=1) 00 ff ff
[  106.996151] evdi: [D] evdi_detect:72 Painter is disconnected
[  117.262524] evdi: [D] evdi_painter_disconnect:499 (dev=1) Disconnected from ffff88023d8e9400
[  117.262531] evdi: [D] evdi_detect:72 Painter is disconnected
[  117.262571] evdi: [W] evdi_painter_disconnect:478 (dev=-1) An unknown connection to ffff88023d8e9400 tries to close us
[  117.262573] evdi: [W] evdi_painter_disconnect:479  - ignoring
[  117.264983] evdi: [D] evdi_detect:72 Painter is disconnected
[  117.265075] evdi: [D] evdi_detect:72 Painter is disconnected
[  117.270358] evdi: [D] evdi_detect:72 Painter is disconnected
[  117.270378] evdi: [D] evdi_detect:72 Painter is disconnected


xrandr --verbose
Code:
xrandr --verbose
Screen 0: minimum 8 x 8, current 1680 x 1950, maximum 32767 x 32767
LVDS1 connected 1600x900+0+1050 (0x8c) normal (normal left inverted right x axis y axis) 380mm x 210mm
   Identifier: 0x86
   Timestamp:  1199454
   Subpixel:   horizontal rgb
   Gamma:      1.0:1.0:1.0
   Brightness: 1.0
   Clones:   
   CRTC:       1
   CRTCs:      1 0
   Transform:  1.000000 0.000000 0.000000
               0.000000 1.000000 0.000000
               0.000000 0.000000 1.000000
              filter:
   EDID:
      00ffffffffffff0006af9e1200000000
      01130103902615780ac4959e57539226
      0f505400000001010101010101010101
      010101010101f82a409061840c303020
      36007ed61000001af82a409061840c30
      302036007ed61000001a000000fe0030
      44343143804231373352573100000000
      00000000000000000002010a20200054
   BACKLIGHT: 15
      range: (0, 15)
   Backlight: 15
      range: (0, 15)
   scaling mode: Full aspect
      supported: None, Full, Center, Full aspect
  1600x900 (0x8c) 110.000MHz +HSync -VSync *current +preferred
        h: width  1600 start 1648 end 1680 total 2000 skew    0 clock  55.00KHz
        v: height  900 start  903 end  909 total  912           clock  60.31Hz
  1368x768 (0xf2) 85.860MHz -HSync +VSync
        h: width  1368 start 1440 end 1584 total 1800 skew    0 clock  47.70KHz
        v: height  768 start  769 end  772 total  795           clock  60.00Hz
  1280x720 (0xf3) 74.480MHz -HSync +VSync
        h: width  1280 start 1336 end 1472 total 1664 skew    0 clock  44.76KHz
        v: height  720 start  721 end  724 total  746           clock  60.00Hz
  1024x768 (0xf4) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  1024x576 (0xf5) 46.995MHz -HSync +VSync
        h: width  1024 start 1064 end 1168 total 1312 skew    0 clock  35.82KHz
        v: height  576 start  577 end  580 total  597           clock  60.00Hz
  960x540 (0xf6) 40.784MHz -HSync +VSync
        h: width   960 start  992 end 1088 total 1216 skew    0 clock  33.54KHz
        v: height  540 start  541 end  544 total  559           clock  60.00Hz
  800x600 (0xf7) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  800x600 (0xf8) 36.000MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock  35.16KHz
        v: height  600 start  601 end  603 total  625           clock  56.25Hz
  864x486 (0xf9) 32.901MHz -HSync +VSync
        h: width   864 start  888 end  976 total 1088 skew    0 clock  30.24KHz
        v: height  486 start  487 end  490 total  504           clock  60.00Hz
  800x450 (0xfa) 27.736MHz -HSync +VSync
        h: width   800 start  816 end  896 total  992 skew    0 clock  27.96KHz
        v: height  450 start  451 end  454 total  466           clock  60.00Hz
  640x480 (0xfb) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
  720x405 (0xfc) 22.176MHz -HSync +VSync
        h: width   720 start  728 end  800 total  880 skew    0 clock  25.20KHz
        v: height  405 start  406 end  409 total  420           clock  60.00Hz
  640x360 (0xfd) 17.187MHz -HSync +VSync
        h: width   640 start  640 end  704 total  768 skew    0 clock  22.38KHz
        v: height  360 start  361 end  364 total  373           clock  60.00Hz
DP1 disconnected (normal left inverted right x axis y axis)
   Identifier: 0x87
   Timestamp:  1199454
   Subpixel:   unknown
   Clones:   
   CRTCs:      1 0
   Transform:  1.000000 0.000000 0.000000
               0.000000 1.000000 0.000000
               0.000000 0.000000 1.000000
              filter:
   Broadcast RGB: Automatic
      supported: Automatic, Full, Limited 16:235
   audio: auto
      supported: force-dvi, off, auto, on
HDMI1 disconnected (normal left inverted right x axis y axis)
   Identifier: 0x88
   Timestamp:  1199454
   Subpixel:   unknown
   Clones:     VGA1
   CRTCs:      1 0
   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 connected primary 1680x1050+0+0 (0x8d) normal (normal left inverted right x axis y axis) 470mm x 300mm
   Identifier: 0x89
   Timestamp:  1199454
   Subpixel:   unknown
   Gamma:      1.0:1.0:1.0
   Brightness: 1.0
   Clones:     HDMI1
   CRTC:       0
   CRTCs:      1 0
   Transform:  1.000000 0.000000 0.000000
               0.000000 1.000000 0.000000
               0.000000 0.000000 1.000000
              filter:
   EDID:
      00ffffffffffff004c2d7e023232454d
      1c1101030e2f1e782ad515a455499a27
      145054bfef80b30081808140714f0101
      0101010101017c2e90a0601a1e403020
      3600da281100001a000000fd00384b1e
      510e000a202020202020000000fc0053
      796e634d61737465720a2020000000ff
      00485344503732393135320a202000ac
  1680x1050 (0x8d) 119.000MHz +HSync -VSync *current +preferred
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock  64.67KHz
        v: height 1050 start 1053 end 1059 total 1080           clock  59.88Hz
  1600x900 (0x118) 118.963MHz -HSync +VSync
        h: width  1600 start 1696 end 1864 total 2128 skew    0 clock  55.90KHz
        v: height  900 start  901 end  904 total  932           clock  59.98Hz
  1280x1024 (0x105) 135.000MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock  79.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  75.02Hz
  1280x1024 (0x106) 108.000MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  63.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1280x960 (0x119) 108.000MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock  60.00KHz
        v: height  960 start  961 end  964 total 1000           clock  60.00Hz
  1152x864 (0x108) 108.000MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock  67.50KHz
        v: height  864 start  865 end  868 total  900           clock  75.00Hz
  1024x768 (0x10c) 78.750MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock  60.02KHz
        v: height  768 start  769 end  772 total  800           clock  75.03Hz
  1024x768 (0x11a) 75.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1328 skew    0 clock  56.48KHz
        v: height  768 start  771 end  777 total  806           clock  70.07Hz
  1024x768 (0xf4) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  832x624 (0x10d) 57.284MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock  49.73KHz
        v: height  624 start  625 end  628 total  667           clock  74.55Hz
  800x600 (0x11b) 50.000MHz +HSync +VSync
        h: width   800 start  856 end  976 total 1040 skew    0 clock  48.08KHz
        v: height  600 start  637 end  643 total  666           clock  72.19Hz
  800x600 (0x10e) 49.500MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock  46.88KHz
        v: height  600 start  601 end  604 total  625           clock  75.00Hz
  800x600 (0xf7) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  800x600 (0xf8) 36.000MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock  35.16KHz
        v: height  600 start  601 end  603 total  625           clock  56.25Hz
  640x480 (0x115) 31.500MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock  37.50KHz
        v: height  480 start  481 end  484 total  500           clock  75.00Hz
  640x480 (0x11c) 31.500MHz -HSync -VSync
        h: width   640 start  664 end  704 total  832 skew    0 clock  37.86KHz
        v: height  480 start  489 end  492 total  520           clock  72.81Hz
  640x480 (0x11d) 30.240MHz -HSync -VSync
        h: width   640 start  704 end  768 total  864 skew    0 clock  35.00KHz
        v: height  480 start  483 end  486 total  525           clock  66.67Hz
  640x480 (0xfb) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
  720x400 (0x117) 28.320MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock  31.47KHz
        v: height  400 start  412 end  414 total  449           clock  70.08Hz
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
   Identifier: 0x8a
   Timestamp:  1199454
   Subpixel:   no subpixels
   Clones:   
   CRTCs:      2
   Transform:  1.000000 0.000000 0.000000
               0.000000 1.000000 0.000000
               0.000000 0.000000 1.000000
              filter:
DVI-I-1 connected (normal left inverted right x axis y axis)
   Identifier: 0x40
   Timestamp:  217494
   Subpixel:   unknown
   Clones:   
   CRTCs:      3
   Transform:  1.000000 0.000000 0.000000
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              filter:
   EDID:
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      4c1e591b000a202020202020000000fc
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  2560x1440 (0x140) 241.500MHz +HSync -VSync +preferred
        h: width  2560 start 2608 end 2640 total 2720 skew    0 clock  88.79KHz
        v: height 1440 start 1443 end 1448 total 1481           clock  59.95Hz
  1920x1080 (0xfe) 148.500MHz +HSync +VSync
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock  67.50KHz
        v: height 1080 start 1084 end 1089 total 1125           clock  60.00Hz
  1920x1080 (0xff) 148.500MHz +HSync +VSync
        h: width  1920 start 2448 end 2492 total 2640 skew    0 clock  56.25KHz
        v: height 1080 start 1084 end 1089 total 1125           clock  50.00Hz
  1920x1080 (0x100) 148.352MHz +HSync +VSync
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock  67.43KHz
        v: height 1080 start 1084 end 1089 total 1125           clock  59.94Hz
  1680x1050 (0x8d) 119.000MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock  64.67KHz
        v: height 1050 start 1053 end 1059 total 1080           clock  59.88Hz
  1600x900 (0x104) 108.000MHz +HSync +VSync
        h: width  1600 start 1624 end 1704 total 1800 skew    0 clock  60.00KHz
        v: height  900 start  901 end  904 total 1000           clock  60.00Hz
  1280x1024 (0x105) 135.000MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock  79.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  75.02Hz
  1280x1024 (0x106) 108.000MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  63.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1280x800 (0x107) 71.000MHz +HSync -VSync
        h: width  1280 start 1328 end 1360 total 1440 skew    0 clock  49.31KHz
        v: height  800 start  803 end  809 total  823           clock  59.91Hz
  1152x864 (0x108) 108.000MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock  67.50KHz
        v: height  864 start  865 end  868 total  900           clock  75.00Hz
  1280x720 (0x109) 74.250MHz +HSync +VSync
        h: width  1280 start 1390 end 1430 total 1650 skew    0 clock  45.00KHz
        v: height  720 start  725 end  730 total  750           clock  60.00Hz
  1280x720 (0x10a) 74.250MHz +HSync +VSync
        h: width  1280 start 1720 end 1760 total 1980 skew    0 clock  37.50KHz
        v: height  720 start  725 end  730 total  750           clock  50.00Hz
  1280x720 (0x10b) 74.176MHz +HSync +VSync
        h: width  1280 start 1390 end 1430 total 1650 skew    0 clock  44.96KHz
        v: height  720 start  725 end  730 total  750           clock  59.94Hz
  1024x768 (0x10c) 78.750MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock  60.02KHz
        v: height  768 start  769 end  772 total  800           clock  75.03Hz
  1024x768 (0xf4) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  832x624 (0x10d) 57.284MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock  49.73KHz
        v: height  624 start  625 end  628 total  667           clock  74.55Hz
  800x600 (0x10e) 49.500MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock  46.88KHz
        v: height  600 start  601 end  604 total  625           clock  75.00Hz
  800x600 (0xf7) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  800x600 (0xf8) 36.000MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock  35.16KHz
        v: height  600 start  601 end  603 total  625           clock  56.25Hz
  720x576 (0x10f) 27.000MHz -HSync -VSync
        h: width   720 start  732 end  796 total  864 skew    0 clock  31.25KHz
        v: height  576 start  581 end  586 total  625           clock  50.00Hz
  848x480 (0x141) 33.750MHz +HSync +VSync
        h: width   848 start  864 end  976 total 1088 skew    0 clock  31.02KHz
        v: height  480 start  486 end  494 total  517           clock  60.00Hz
  720x480 (0x111) 27.027MHz -HSync -VSync
        h: width   720 start  736 end  798 total  858 skew    0 clock  31.50KHz
        v: height  480 start  489 end  495 total  525           clock  60.00Hz
  720x480 (0x112) 27.000MHz -HSync -VSync
        h: width   720 start  736 end  798 total  858 skew    0 clock  31.47KHz
        v: height  480 start  489 end  495 total  525           clock  59.94Hz
  640x480 (0x115) 31.500MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock  37.50KHz
        v: height  480 start  481 end  484 total  500           clock  75.00Hz
  640x480 (0x116) 25.200MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.50KHz
        v: height  480 start  490 end  492 total  525           clock  60.00Hz
  640x480 (0xfb) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
  720x400 (0x117) 28.320MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock  31.47KHz
        v: height  400 start  412 end  414 total  449           clock  70.08Hz
  1680x1050 (0x8d) 119.000MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock  64.67KHz
        v: height 1050 start 1053 end 1059 total 1080           clock  59.88Hz
  1280x1024 (0x105) 135.000MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock  79.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  75.02Hz
  1280x1024 (0x106) 108.000MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  63.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1152x864 (0x108) 108.000MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock  67.50KHz
        v: height  864 start  865 end  868 total  900           clock  75.00Hz
  1024x768 (0x10c) 78.750MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock  60.02KHz
        v: height  768 start  769 end  772 total  800           clock  75.03Hz
  1024x768 (0xf4) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  832x624 (0x10d) 57.284MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock  49.73KHz
        v: height  624 start  625 end  628 total  667           clock  74.55Hz
  800x600 (0x10e) 49.500MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock  46.88KHz
        v: height  600 start  601 end  604 total  625           clock  75.00Hz
  800x600 (0xf7) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  800x600 (0xf8) 36.000MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock  35.16KHz
        v: height  600 start  601 end  603 total  625           clock  56.25Hz
  640x480 (0x115) 31.500MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock  37.50KHz
        v: height  480 start  481 end  484 total  500           clock  75.00Hz
  640x480 (0xfb) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
  720x400 (0x117) 28.320MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock  31.47KHz
        v: height  400 start  412 end  414 total  449           clock  70.08Hz

The last screen (DVI-I-1) is the one that is connected to the displaylink adapter.


I appreciate any help! Thanks, guys.

[Moderator edit: changed first two [quote] tags to [code] tags to preserve output layout. -Hu]
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Roman_Gruber
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PostPosted: Tue Jan 17, 2017 5:03 pm    Post subject: Reply with quote

Quote:
It can't be an hardware issue as this thing is working fine with the Micro$oft OS and with Ubuntu.


HAve you checked what kernel modules are loaded in ubuntu. Differences ubuntu / vs your gentoo kernel ..
How the device is set up there.
How the userspace handles it?
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gr0sshirn
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PostPosted: Wed Jan 18, 2017 9:34 am    Post subject: Reply with quote

I checked the differences in lsmod / dmesg / xrandr --verbose, but I haven't discovered something useful.
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