| alkisg | Hi, on bionic-hwe fully updated, i5-4440 CPU/GPU, and this minimal xorg.conf: Section "Monitor" Identifier "HDMI-1" Option "Primary" "true" EndSection | 09:15 |
|---|---|---|
| alkisg | Xorg ...starts but isn't displayed on screen! vt7 shows a small "bpfilter" message in text mode, and `export DISPLAY=:0; xrandr` works, and lightdm is supposed to be running, but it's not displayed | 09:15 |
| alkisg | Related Xorg.0.log: https://termbin.com/95di | 09:15 |
| alkisg | [ 982.100] (EE) modeset(0): failed to set mode: Invalid argument | 09:16 |
| alkisg | I believe this is related to "Primary", as if I remove it, it then works fine | 09:16 |
| alkisg | As a workaround, I removed "primary" from my xorg.conf (the non-testing one is longer) and everything works fine, and I'm setting primary with xrandr after login | 09:18 |
| tomreyn | alkisg: if you set "primary" in corg.conf, maybe you need to also have a second monitor section? | 16:31 |
| tomreyn | *xorg.conf | 16:31 |
| tomreyn | https://wiki.archlinux.org/index.php/Multihead#Configuration_using_xorg.conf | 16:32 |
| alkisg | tomreyn: in my initial test, I had one, and it triggered the error; then I started removing lines until I minimized the problem to the lines I mentioned above | 16:48 |
| alkisg | Here's my original one: https://termbin.com/qjp6 | 16:49 |
| alkisg | So I played with removing lines, and I saw that it was the "primary" line that breaks xorg | 16:49 |
| alkisg | This used to work in 16.04; I don't know at which point it broke because for a couple of years I didn't use a xorg.conf | 16:49 |
| tomreyn | hmm, no idea then. your log shows that those options are parsed, and the parser itself seems to be happy with them. | 17:50 |
| tomreyn | just the modesetting is not. | 17:50 |
| alkisg | I do think it's a xorg regression as it was working previously... but I've no idea in which subsystem. I've had intel clients in the past that didn't show a login screen, while VNC was working (!), and updating kernel/xorg fixed them, so I'm guessing it's specific to intel or modesetting... | 18:02 |
| alkisg | I haven't seen that symptom in non-intel cards (where xorg "works" but isn't shown) | 18:03 |
| tjaalton | I can push a new hwe xserver to a ppa tomorrow | 18:14 |
| tjaalton | mesa is being prepared already | 18:15 |
| alkisg | tjaalton: ah thank you, I'll stick around, please ping me if it's available for testing | 18:18 |
| tjaalton | if latest 1.20-branch doesn't fix it, then perhaps needs to be upstreamed | 18:19 |
| alkisg | Gotcha | 18:19 |
| tjaalton | and eoan has a git snapshot of it | 18:20 |
| alkisg | Maybe I could test with the 19.10 live cd too, by putting an init break, and creating a xorg.conf before continuing... | 18:20 |
| alkisg | I'll do that tomorrow morning | 18:20 |
| tjaalton | you can restart the session too | 18:20 |
| tjaalton | from a terminal | 18:20 |
| alkisg | Ah right | 18:20 |
| alkisg | Easier | 18:20 |
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