Docs/Known Issues

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(Updated 2017.04.21)

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Known Issues

Following are the known issues with the release of Userful™ 9.1.2

• Rebooting the system may change the configured display resolution to preferred resolution (14988)

• Clicking Stop button through Source Switcher UI may not show welcome screen if it is ON under Control Center > Mapping (14887)

• Reconnecting the zero client device(s) assigned to a video wall may restart the video wall playback (14884)

• If two overlapped video wall zones share the same control display, the video wall playback may encounter problem (14319)

Workaround: Select different control displays for the overlapped video wall zones

• Capturing a PC with color space set to RGB may show artifacts mostly visible with text on the display (14308)

Workaround: Change the color space of the PC

• Depending on system load and network, minor stuttering can be seen during the first 3 seconds of playing a video (14250)

• If the last played video wall zone contains a display, which is the control display of other zones:

• Playing/Stopping the last played video wall zone will restart the content playback on the previous played zone (14189)
• Playing non-Interactive source (e.g. Signage Player), the last played zone will get the sound output

Workaround: Control display of a video wall zone should not be the part of the other video wall zone

• Changing static IP address of a NIC that has a DHCP server assigned to it, does not update the DHCP settings (14169)

Workaround: Disable the DHCP server when changing IP address, wait until the Control Center notifies that the DHCP is fully offline and then enable the DHCP server

• Transitioning from Video Capture source to Signage Player source may result in loss of audio while using Source Switcher or Preset Switcher (14163)

• Playing signage content over stand-alone 1080p display may result in video stuttering (14077)

Workaround: Lower the bit-rate of the video

• Stopping the last played overlapped video wall zone with Direct Sync disabled may result in white screen on the overlapped portion (14058)

• Mapping multiple displays to Video Capture source may cause kernel panic (13933)

Workaround: Enable "Mirror Groups" when you map multiple displays to Video Capture source

• Color Calibrating a video wall may not work if Direct Sync is enabled (13506)

• Switching zones between different sources with Direct Sync enabled may restart the existing video wall (13384)

• Displays mapped to Linux Desktop playing youtube videos may have playback issues (13412)

Workaround: Disable "Use Hardware Acceleration when available" option under Web Browser settings

• DVD Player source fails with Nvidia Offload support (13387)

Workaround: Disable Nvidia Offload support when using DVD Player source

• Broadcast alerts and Show ID's will not function when Direct Sync is enabled (13370)

• Transitioning from Video Capture source to other source may result in loss of audio (13305)

Workaround: Assign the video wall or display to a different Signage Player source and then assign it back to the intended source

• Manage Licensing > Backup License option does not work with Stand-alone Userful Control Center (13266)

Workaround: Use web browser (chrome or firefox) to access Control Center

• Control Center may not reflect correct network settings when system is configured using DHCP (12950)

• Webcams connected to Network zero-client for video capturing are not supported (12939)

• GPU-Accelerated video walls do not support mirroring (12828)

• Lowering the display resolution of 1080p monitor to 640x480 may cause black screen (12562)

• Plugin/out of USB hub from an Atrust m321 zero-client device do not wake display from DPMS sleep (12181)

• Extended Support value does not show up in the "Manage Licensing" dialog in Control Center (12116)

Workaround: Contact your Userful representative to confirm the status of your extended support license

• Using Blackmagic Design DeckLink Duo HDMI Capture card, transitions between HDMI capture sources can result in a flicker of 0.5 to 1.0 seconds (11918)

• The Same user logged in on multiple displays cannot output sound correctly (11672)

Workaround: Use "AutoLogin" source for multiple sessions

• DisplayLink, TN-750 and TN-502 devices are not supported with video wall solution (11668) (11654)

Workaround: Use an SMSC-based zero-client for video demanding applications

• The Show ID's feature may not work on displays running a Linux Desktop which has been locked by the screensaver (11589)

Workaround: Unlock or disable the screensaver, then press Show ID's button in Control Center

• SMSC network zero clients connected to fast ethernet switch may get a black screen when changing sources (12005)

Workaround: Use a Gigabit Switch for the zero clients and the Userful host

• When Duplicate IP address are detected in the network, the warning message displayed in Control Center is cramped (11150)

Workaround: This is a cosmetic issue and would not affect any functionality

• Once an Artistic Layout video wall is created and saved, you cannot switch it back to a Grid Layout (10883)

Workaround: Delete the Artistic Layout configuration and create a new video wall

• Blackmagic source lists down resolutions not supported by the hardware (10870)

Workaround: Confirm that your HDMI source media supports the resolution and frame-rate the HDMI Capture session is configured to use.

• Images larger than 10800 x 8552 pixels may not display correctly (10769)

Workaround: Increase the slideshow time interval based upon the time required to load the image file

• Atrust m321 zero-client device doesn't properly support DVI->HDMI or DVI->VGA converters (10744)

Workaround: Use DVI monitors with Atrust m321 zero client device

• Mapping a GPU-Accelerated Video Wall to supported sources disables onboard display (10598)