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Hi,
I have two PC's running ArchLinux with XFCE (everything up to date). One of them is mostly operated via VNC (x11vnc, Remmina), bur also has a screen connected to it.
Since I updated on 2019-08-20, x11vnc became so slow that it's practically unusable: Screen updates (switching windows, typing something, ...) will show up on Remmina after nearly 5 seconds. When I place the screens of my computers so I can see the both at once, I can see that the original screen displays everything immediately. Only the display on Remmina is delayed. However, there are a few things I can see on Remmina without delay:
Everything on the lockscreen (xflock) - includeing the switch between the lockscreen and the desktop.
The shape of the mouse pointer changes immediately on Remmina when I move the mouse to a place where I can resize a window.
Sometimes, the display on Remmina freezes completely. In these cases, it shows the latest screen update it could get. This means, when I lock the computer and unlock it again, I'll get one screen content.
There are no other networking issues, e.g. rsync between the computers works at normal speed.
I've tried a few things:
Connecting to x11vnc from a borrowed laptop running Ubuntu 18.04 with an older version of Remmina. Same result, so it's not a Remmina issue.
Connecting to x11vnc on a virtual machine also running ArchLinux XFCE up-to-date. Works flawlessly, so only one PC is affected.
x11vnc is started with these options:
x11vnc -display :0.0 -no6 -noipv6 -skip_lockkeys -noxdamageThere is one big difference between the computers: The affected one has intel graphics. An indeed, the xf86-video-intel package was included in the update, but not x11vnc. This is the complete list:
root@affected:/var/log$ egrep '2019-08-20 .* upgraded ' pacman.log | sort
[2019-08-20 20:30] [ALPM] upgraded alsa-lib (1.1.9-1 -> 1.1.9-2)
[2019-08-20 20:30] [ALPM] upgraded conky (1.11.4-1 -> 1.11.5-1)
[2019-08-20 20:30] [ALPM] upgraded cryptsetup (2.1.0-1 -> 2.2.0-1)
[2019-08-20 20:30] [ALPM] upgraded dbus (1.12.16-1 -> 1.12.16-2)
[2019-08-20 20:30] [ALPM] upgraded deadbeef (0.7.2-5 -> 1.8.2-1)
[2019-08-20 20:30] [ALPM] upgraded firefox (68.0.1-2 -> 68.0.2-1)
[2019-08-20 20:30] [ALPM] upgraded ghostscript (9.27-1 -> 9.27-2)
[2019-08-20 20:30] [ALPM] upgraded harfbuzz (2.5.3-1 -> 2.6.0-1)
[2019-08-20 20:30] [ALPM] upgraded libcups (2.2.11-2 -> 2.2.12-1)
[2019-08-20 20:30] [ALPM] upgraded llvm-libs (8.0.1-1 -> 8.0.1-2)
[2019-08-20 20:30] [ALPM] upgraded pango (1:1.44.3-1 -> 1:1.44.5-1)
[2019-08-20 20:30] [ALPM] upgraded systemd (242.84-1 -> 242.84-2)
[2019-08-20 20:30] [ALPM] upgraded systemd-libs (242.84-1 -> 242.84-2)
[2019-08-20 20:30] [ALPM] upgraded vulkan-icd-loader (1.1.115-1 -> 1.1.119-1)
[2019-08-20 20:31] [ALPM] upgraded git (2.22.0-1 -> 2.23.0-1)
[2019-08-20 20:31] [ALPM] upgraded graphicsmagick (1.3.32-1 -> 1.3.33-1)
[2019-08-20 20:31] [ALPM] upgraded gst-plugins-bad (1.16.0-4 -> 1.16.0-5)
[2019-08-20 20:31] [ALPM] upgraded harfbuzz-icu (2.5.3-1 -> 2.6.0-1)
[2019-08-20 20:31] [ALPM] upgraded java-openjfx (11.0.3.u1-1 -> 12.0.2.u1-1)
[2019-08-20 20:31] [ALPM] upgraded libinput (1.13.4-1 -> 1.14.0-2)
[2019-08-20 20:31] [ALPM] upgraded libxfce4ui (4.14.1-1 -> 4.14.1-2)
[2019-08-20 20:31] [ALPM] upgraded linux-firmware (20190717.bf13a71-1 -> 20190815.07b925b-1)
[2019-08-20 20:31] [ALPM] upgraded linux-lts (4.19.66-1 -> 4.19.67-1)
[2019-08-20 20:31] [ALPM] upgraded linux-lts-headers (4.19.66-1 -> 4.19.67-1)
[2019-08-20 20:31] [ALPM] upgraded man-db (2.8.5-2 -> 2.8.6.1-1)
[2019-08-20 20:31] [ALPM] upgraded man-pages (5.01-1 -> 5.02-1)
[2019-08-20 20:31] [ALPM] upgraded mousepad (0.4.2-1 -> 0.4.2-2)
[2019-08-20 20:31] [ALPM] upgraded ristretto (0.10.0-1 -> 0.10.0-2)
[2019-08-20 20:31] [ALPM] upgraded systemd-sysvcompat (242.84-1 -> 242.84-2)
[2019-08-20 20:31] [ALPM] upgraded thunar (1.8.8-1 -> 1.8.9-2)
[2019-08-20 20:31] [ALPM] upgraded thunar-volman (0.9.4-1 -> 0.9.5-2)
[2019-08-20 20:31] [ALPM] upgraded xf86-input-libinput (0.28.2-1 -> 0.29.0-1)
[2019-08-20 20:31] [ALPM] upgraded xf86-video-intel (1:2.99.917+865+g60022507-1 -> 1:2.99.917+870+g6f4972d5-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-appfinder (4.12.0-5 -> 4.14.0-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-battery-plugin (1.1.2-1 -> 1.1.3-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-clipman-plugin (1.4.3-1 -> 1.4.3-2)
[2019-08-20 20:31] [ALPM] upgraded xfce4-diskperf-plugin (2.6.1-2 -> 2.6.2-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-fsguard-plugin (1.1.0-2 -> 1.1.1-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-mpc-plugin (0.5.1-1 -> 0.5.2-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-netload-plugin (1.3.1-2 -> 1.3.2-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-notes-plugin (1.8.1-3 -> 1.8.1-4)
[2019-08-20 20:31] [ALPM] upgraded xfce4-notifyd (0.4.4-1 -> 0.4.4-2)
[2019-08-20 20:31] [ALPM] upgraded xfce4-panel (4.12.2-1 -> 4.14.0-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-power-manager (1.6.4-1 -> 1.6.5-2)
[2019-08-20 20:31] [ALPM] upgraded xfce4-session (4.12.1-11 -> 4.14.0-2)
[2019-08-20 20:31] [ALPM] upgraded xfce4-settings (4.12.4-2 -> 4.14.0-2)
[2019-08-20 20:31] [ALPM] upgraded xfce4-smartbookmark-plugin (0.5.0-2 -> 0.5.1-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-systemload-plugin (1.2.2-1 -> 1.2.3-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-terminal (0.8.8-1 -> 0.8.8-2)
[2019-08-20 20:31] [ALPM] upgraded xfce4-time-out-plugin (1.0.2-3 -> 1.0.3-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-wavelan-plugin (0.6.0-2 -> 0.6.1-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-whiskermenu-plugin (2.3.2-1 -> 2.3.3-1)
[2019-08-20 20:31] [ALPM] upgraded xfce4-xkb-plugin (0.8.1-1 -> 0.8.1-2)
[2019-08-20 20:31] [ALPM] upgraded xfconf (4.12.1-7 -> 4.14.1-1)
[2019-08-20 20:31] [ALPM] upgraded xfdesktop (4.14.0-1 -> 4.14.1-2)
[2019-08-20 20:31] [ALPM] upgraded xfwm4 (4.12.5-1 -> 4.14.0-1)
[2019-08-20 20:31] [ALPM] upgraded xorg-xrandr (1.5.0-2 -> 1.5.1-1)Is anyone else affected ?
What do you think about my suspicion about xf86-video-intel being the culprit ?
Any other ideas ?
Thanks and Regards,
Markus
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Well ... I just tried downgrading xf86-video-intel to the previous version. Unfortunately no success.
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