DisplayLink Forum - Broken behaviour

Hello,

I had displaylink screen working mostly ok on Debian testing / XPS 13 / DA100.
(more details here http://displaylink.org/forum/showthread.php?t=64259)

But recently I encouter broken behaviour meaning:

- cursor often creates digital artefacts / displays old position (see attachment)
- context menus does not open on curso position but on second screen or not visible at all

I think (but I am not 100%) that is it due to update of the xorg. Currently the versions in my system are:

xorg 1:7.7+13
xserver-common 2:1.18.0-3
xserver-xorg 1:7.7+13
xserver-xorg-core 2:1.18.0-3
xserver-xorg-video-all 1:7.7+13
xserver-xorg-video-intel 2:2.99.917+git20160127-1+b1

And in the dmesg output I see:

Code:

[42506.905376] [D] evdi_painter_connect (dev=1) Connected with ffff880232cff000

[42506.905381] [D] evdi_painter_connect (dev=1) Edid (3 bytes): 00 ff ff

[42506.905396] [D] evdi_detect (dev=1) Painter is connected

[42506.907168] [D] evdi_detect (dev=1) Painter is connected

[42506.907174] [D] evdi_painter_get_edid (dev=1) 00 ff ff

[42506.932611] [D] evdi_painter_mode_changed_notify (dev=1) Notifying mode changed: 1920x1200@60; bpp 32; pixel format 875713112

[42506.932693] [D] evdi_painter_crtc_state_notify (dev=1) Notifying crtc state: 1

[42506.932700] [D] evdi_painter_dpms_notify (dev=1) Notifying dpms mode: 0

[42507.077693] [D] evdi_detect (dev=1) Painter is connected

[42507.077698] [D] evdi_painter_get_edid (dev=1) 00 ff ff

[42507.117155] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.121274] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.263145] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.263538] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.267098] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.269880] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.273112] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.276066] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.296656] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.297459] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42507.302540] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

[42537.738362] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0xbb, supported mask 0x7400003f

I tried both versions of displaylink driver 1.0.138 and 1.0.335

Thanks for any help,

Tomas Safarik