First of all, I'm not opening a new bug because I'm on Mint 18.3 however I think this is an Ubuntu bug anyway... right now I can't install regular 16.04 Ubuntu, I will try as soon as possible.
With latest pciutils/libpci3 3.3.1-1.1ubuntu1.2 I cant see my external display on DP-1-1 any more and also with xrandr that display is missing: --------------------------------------------- andrea@sibilla ~ $ xrandr Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767 LVDS1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.02*+ 50.03 59.93 ......omit...... VGA1 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis) --------------------------------------------- With old pciutils/libpci3 3.3.1-1.1ubuntu1 or 3.3.1-1.1ubuntu1.1 I have: --------------------------------------------- andrea@sibilla ~ $ xrandr Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767 LVDS1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.02*+ 50.03 59.93 ......omit...... VGA1 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis) LVDS-1-2 disconnected (normal left inverted right x axis y axis) VGA-1-2 disconnected (normal left inverted right x axis y axis) DP-1-1 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 521mm x 293mm 1920x1080 60.00*+ ......omit...... DP-1-2 disconnected (normal left inverted right x axis y axis) DP-1-3 disconnected (normal left inverted right x axis y axis) 1680x1050 (0x4a) 119.000MHz +HSync -VSync ......omit...... --------------------------------------------- I tried many time upgrading and downgrading and the issue is absolutely confirmed. I tried a lot of different config and the only way to get my external monitor working is downgrading pciutils/libpci3. My hardware is a Lenovo ThinkPad W530. andrea@sibilla ~ $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation GK107GLM [Quadro K1000M] (rev a1) If you need some more info I'll be glad to help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746666 Title: lspci fails with 'Error reading sysfs label: Operation not permitted' To manage notifications about this bug go to: https://bugs.launchpad.net/dellserver/+bug/1746666/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
