| alkisg | Hi, I have some schools with this graphics card: 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation NV5 [Riva TNT2 Model 64 / Model 64 Pro] [10de:002d] (rev 15) | 08:56 |
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| alkisg | And it's causing this segfault in Ubuntu MATE 18.04: http://termbin.com/haem | 08:56 |
| alkisg | It runs fine up to lightdm, but then when mate starts, xorg produces this segfault. Any parameters that I could try to work around it? | 08:57 |
| tjaalton | NoAccel? | 08:58 |
| alkisg | Thanks, trying... | 08:59 |
| alkisg | Nah, the same :/ | 09:24 |
| alkisg | Trying with vesa... | 09:24 |
| tjaalton | try uninstalling nouveau, then it should use modesetting | 09:25 |
| alkisg | Ty, trying... | 09:25 |
| alkisg | tjaalton: thank you, that worked, so I guess I can force modeset from xorg.conf if I don't want to uninstall nouveau (multiple clients netbooted from the same image) | 09:32 |
| tjaalton | sure | 09:33 |
| alkisg | I used to use "vesa" there, but it seems like that stopped working now? | 09:33 |
| tjaalton | not sure if it works with kms | 09:34 |
| alkisg | Hmm, this is what ltsp puts in xorg.conf, it used to work up to 16.04 but now in 18.04 it still loads nouveau: | 09:35 |
| alkisg | Section "Device" Identifier "Device0" Driver "modeset" EndSection | 09:35 |
| tjaalton | you just said using modeset works? | 09:42 |
| alkisg | If I uninstall nouveau, it's auto loaded | 09:46 |
| alkisg | So modeset works fine if I apt purge nouveau | 09:46 |
| tjaalton | ok | 09:46 |
| alkisg | But if I try to specify Driver "modeset" in xorg.conf, it's not loaded, nouveau is, so it fails | 09:46 |
| alkisg | So something changed in xorg.conf handling/syntax... | 09:47 |
| tjaalton | the driver isn't called 'modeset' | 09:48 |
| tjaalton | but modesetting | 09:48 |
| tjaalton | man modesetting | 09:50 |
| alkisg | Whoops, thanks, trying that | 09:50 |
| alkisg | tjaalton: works fine, great, thank you. Should I report the nouveau segfault upstream? | 09:54 |
| tjaalton | maybe | 09:55 |
| tjaalton | if it's still broken on cosmic | 09:55 |
| alkisg | I'll see if I can find such a card locally then, to be able to test more easily | 09:55 |
| tjaalton | or just build the git version | 09:55 |
| tjaalton | cosmic has the same release version | 09:56 |
| tjaalton | git has some fixes that might help | 09:56 |
| alkisg | OK, will do | 09:56 |
| tjaalton | tseliot: hi, nvidia-340 needs fixing, and drop libGLESv1_CM.so.1 | 11:12 |
| tjaalton | which is now shipped by libgles1 | 11:12 |
| tjaalton | also on bionic | 11:12 |
| tjaalton | proposed | 11:13 |
| tjaalton | hmm, or add a diversion | 11:13 |
| tjaalton | forgot this version doesn't support glvnd | 11:13 |
| tjaalton | https://bugs.launchpad.net/ubuntu/+source/libglvnd/+bug/1791542 | 11:17 |
| ubottu | Launchpad bug 1791542 in nvidia-graphics-drivers-340 (Ubuntu) "package libglvnd-dev 1.0.0-2ubuntu2.1 failed to upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so', which is also in package nvidia-340 340.107-0ubuntu0~gpu18.04.1" [Undecided,New] | 11:17 |
| tseliot | tjaalton: we don't do alternatives any more in 340, so libGLESv1_CM.so.1 points to nvidia's binary | 11:40 |
| tseliot | same as /usr/lib/x86_64-linux-gnu/libEGL.so.1 | 11:41 |
| tjaalton | so handle it the same way as libEGL.so.1 | 11:42 |
| tjaalton | it doesn't use diversions either? | 11:47 |
| tjaalton | wonder how it's installable if it would conflict with libegl1 | 11:47 |
| tjaalton | Setting up nvidia-340 (340.107-0ubuntu1) ... | 11:49 |
| tjaalton | dpkg: warning: version '*-*' has bad syntax: version number does not start with digit | 11:49 |
| tjaalton | dpkg: error: version '-' has bad syntax: revision number is empty | 11:49 |
| tjaalton | on a cosmic chroot | 11:49 |
| tjaalton | /var/lib/dpkg/info/nvidia-340.postinst: 121: /var/lib/dpkg/info/nvidia-340.postinst: update-initramfs: not found | 11:50 |
| tjaalton | and it does use diversions | 11:50 |
| tseliot | correct | 12:11 |
| tseliot | It should be easily fixed | 12:16 |
| tjaalton | yes, just add libGLESv1_CM.so.1 to the list of libs to divert | 12:17 |
| tjaalton | in the preinst | 12:17 |
| tseliot | and prerm, and postrm, because diversions are not to be trusted ;) | 12:25 |
| tjaalton | right | 12:25 |
| tseliot | tjaalton: nvidia-graphics-drivers-340 (340.107-0ubuntu2) has the change (in cosmic) | 14:06 |
| tseliot | I need to backport that to bionic | 14:07 |
| tjaalton | cool, thanks | 14:08 |
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