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[04:47] <ScaredySquirrel> hrm how would I get the latest firefox version 72 in focal? [04:48] <ScaredySquirrel> it's at version 72 in Ubuntu stable eoan [04:53] <Bashing-om> !info firefox focal | ScaredySquirrel [04:53] <ubottu> ScaredySquirrel: firefox (source: firefox): Safe and easy web browser from Mozilla. In component main, is optional. Version 71.0+build5-0ubuntu1 (focal), package size 49179 kB, installed size 192698 kB [06:55] <guiverc> ScaredySquirrel, https://snapcraft.io/firefox shows ver 72.0.1-1 available from Mozilla via snap [10:11] <kblin> hi folks [10:12] <kblin> I'm currently playing with the 20.04 nightly on an HP Elitebook x360 with an Intel UHD 620 card, and I'm seeing some really bad screen tearing, especially when scrolling [10:12] <kblin> I don't have that issue in a Debian 10 live image, but that in turn doesn't like the WiFi [10:14] <kblin> looking at the output from "inxi -G", it seems like on the Debian live image, I'm using the modesetting driver for X11, and on focal I'm using the i915 driver [10:14] <tomreyn> kblin: have you consdiered 19.10 (20.04 is in development still) [10:15] <kblin> I have the same issue in 19.10, and tried 20.04 because some forum posts suggested that the problem might have been fixed on a more recent kernel [10:15] <tomreyn> you'll be using i915 on both [10:15] <kblin> funnily enough, I can actually make the problem appear on a Debian 10 install if I switch to a 5.x series kernel :) [10:16] <kblin> in any case I'm not ready to use this machine for production anyway, so I figured that any fix I found would also be applicable to 19.10 [10:16] <tomreyn> this was discussed on #ubuntu yesterday - could be related, but a workaround is in anything but focal: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1845584 [10:16] <ubottu> Launchpad bug 1845584 in linux (Ubuntu Focal) "intel-lpss driver conflicts with write-combining MTRR region" [Undecided,In progress] [10:17] <tomreyn> i'm not sure this is the problem you're seeing, it *could* be [10:18] <kblin> that looks like a "fails to boot" issue, my system is booting just fine [10:18] <kblin> I'm not seeing the issue if I use the live system in "safe graphics" mode [10:18] <tomreyn> good point, yes. [10:19] <kblin> so to me this really sounds like an X issue more than a kernel thing [10:19] <tomreyn> is anything logged? [10:19] <kblin> I've tried uninstalling the xserver-xorg-video-intel package, but somehow I'm still on the i915 driver [10:20] <tomreyn> xserver-xorg-video-intel is the 2d graphics driver for Xorg, you need it. i915 is the linux kernel driver for supporting intel graphics in the first place, you need it [10:21] <kblin> where's the X log file these days? shouldn't it be in /var/log somewhere? [10:21] <tomreyn> actually seems like i'm misinformed, sorry. you don't need xserver-xorg-video-intel [10:22] <kblin> I mainly uninstalled that because the package description said "you don't need this on hardware from 2017 and newer" [10:23] <kblin> I'm mainly noticing how clueless I've gotten on X11 configuration, because all my stuff has just been working fine for so many years :) [10:23] <tomreyn> X logs to syslog / the systemd journal, it may addiitonally log to either ~/.local/share/xorg/ or /var/log/Xorg/ [10:24] <tomreyn> if you use lspci -k | grep -A3 VGA you'll notice the hardware itself is actually driven by i915 [10:25] <tomreyn> so this you won't be able to replace [10:25] <kblin> yeah, both the kernel line and the X line claim i915 [10:25] <tomreyn> your only option there is to fiddle with kernel parameters or to try different kernel versions [10:26] <kblin> I mainly want to try getting xorg to use the modesetting driver [10:26] <tomreyn> if you'd like to post your system journal for the current boot i can take a look to see if i spot anything unusual. [10:27] <tomreyn> journalctl -b | nc termbin.com 9999 [10:27] <tomreyn> X should be using modesetting on i915 by default for a good while already [10:28] <tomreyn> definitely with anything including and past ubuntu 18.04, more likely since 14.04 or 16.04 [10:28] <tomreyn> actually earlier, intel was amongst the first to do it [10:29] <kblin> so what's the "safe graphics" mode for the live image doing, because as I mentioned that works just fine [10:29] <tomreyn> it disables kernel mode setting [10:30] <tomreyn> you can always press 'e' at the grub menu to inspect the "linux" line and which parameters are passed to it [10:32] <tomreyn> the "safe graphics" boot option adds the "nomodeset" kernel parameter (on top of the other parameters also used by the default grub menu option) [10:36] <kblin> I'll give that a try, for giggles [10:36] <kblin> also because the screen refresh issue makes any terminal use super annoying :/ [10:44] <kblin> ok, the "nomodeset" kernel option "fixes" it, but of course at the cost of not having a proper graphics driver [11:07] <kblin> funny, now I've set a custom config to try the uxa renderer for the intel driver, and X11 seems to have decided to use the fbdev driver instead [11:11] <kblin> but it looks like the uxa renderer is enabled and fixes the issues I'm seeing [11:26] <tomreyn> there's the TearFree option to X(org), but i think such issues usually point to the graphics drrievr rather [11:26] <tomreyn> *driver [11:32] <tomreyn> btw. there are several models in this hp elitebook x360 series, with different hardware: https://i.imgur.com/YA4zz5n.png |