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Tablet logs me out when changing screens #107
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I found the following system logs which happen at the time when it logs me out
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It only happens when I switch to one of my monitors (I have a dual monitor setup) and only when the pen comes into proximity with the tablet while that screen has just been switched to |
Hi, I was not immediately able to reproduce this with the Intuos Pro on 18.04.03 with two monitors. From your log it looks like there may be a problem with gsd-color. Unfortunately I don't have a lot of experience with gsd-color but I think you can turn it off by: $sudo apt install dconf-editor then in the GUI: Then reboot and see if you can still reproduce the issue. |
You may also want to run |
The crashes are now happening less predictably although the reproduction steps above still work
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I did turn off the colors as instructed but the problem still occurs |
here is the result of coredump
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Looks like something is tripping up xorg |
Thanks for the core dump, it looks like the modesetting driver may be to blame, but let's try and narrow it down. Please use apt to install the xorg debug symbols appropriate for your graphics driver as well as the evdev debug symbols (see below). Then catch another core dump after the problem occurs.
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I tried installing xserver-xorg-video-intel-dbg - which I think I the correct one for my driver but the core dump looks the same This is the command I used to check which driver I'm using
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Weird. I wonder if asking gdb directly would work any better. Install gdb and then run |
@jigpu unfortunately looks like we are missing some debug symbols
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Looks like the symbols might be in another package. Please try following the instructions at https://wiki.ubuntu.com/Debug%20Symbol%20Packages#Getting_-dbgsym.ddeb_packages to add the "ddebs" repository and then run |
sorry for the slow response. Just got back from holiday adding the ddebs repository seems to have changed things a bit |
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This looks like some kind of issue with either the Xorg server or its modesetting driver. The event our driver sends seems perfectly sensible, and the screen coordinates the server transforms them to seems fairly reasonable as well. For some reason, however, there isn't a cursor to be displayed and the modesetting driver crashes as a result. I would file an issue at https://gitlab.freedesktop.org/xorg/xserver/issues with information about your system and the dump you posted above. It would also be good to include a link back to this issue for reference. The developers over there should be better able to track down the cause of the issue. |
issue filed. Thanks for your help so far! |
Ref to upstream bug: https://gitlab.freedesktop.org/xorg/xserver/issues/883 |
Apologies if this is the wrong place.
I'm using a Wacom Intuos Pro M (PTH-651/K) with Ubuntu 18.04.3 LTS
I have one of my buttons mapped to "Switch Monitor" and if I press it too many times (twice or more) it logs me out of Ubuntu and I have to log back in.
I'm not sure where to find the relevant logs and configuration files but happy to post them if you can show me where to look
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