[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-03 Thread Daniel van Vugt
The old issue could possibly affect more people because it was for a
large commercial partner. Maybe, maybe not... But we don't need to pick
and choose which is more important when we can fix everyone's bugs
without reverting anything.

I proposed two fixes for this bug yesterday:

  https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3685
  https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3684

and I intend to make a PPA available with this fix in the next day or
so. That way nobody is waiting for the slow process of getting an
official update released.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-03 Thread Egmont Koblinger
@ Daniel van Vugt,

The faulty change has a timestamp of 22 Feb, and the package began to
arrive at users probably on 29 Mar. That's a difference of 5 weeks.

I'm not familiar with Ubuntu's internal procedures, I don't know how
things work, which component (e.g. building packages, QA, somewhat wider
testing in -proposed etc.) took how long, but overall 5 weeks is pretty
long.

As I understand from comments in upstream mutter#3384, it's not
immediately obvious to you guys what and why exactly goes wrong and how
to properly fix all this. It needs investigation first.

This means that my rough guess is that, if everything goes well, it
could take maybe 1-2 weeks to develop a fix and another 5 weeks for the
regular release prodecure?

Do you have any wild estimate on how many people were affected by the
old bug that this update fixed, and how many are affected by the new
one? The old one seems to be about software rendering, i.e. when running
inside a virtual machine. The new one seems to affect people using an
NVidia video card with its proprietary driver. Sounds to me that the new
issue probably affects way more people.

I'm wondering: Is there some guideline, best practice, runbook rule etc.
describing how to handle such a situation? If so, what does it say?

Wouldn't the right thing be to release new updated packages that revert
this change ASAP (like, in a day or two at most, skipping QA and
-proposed etc.), and then start to work on the proper fix that fixes
both issues at the same time?

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-03 Thread Cristiano Fraga G. Nunes
Based on mikabytes's answer, I've found another solution that not will
not leave apt in a temporary broken state. For Ubuntu 22.04.4:

Download the packages:
$ wget -nc 
https://launchpad.net/ubuntu/+source/mutter/42.9-0ubuntu5/+build/26711789/+files/gir1.2-mutter-10_42.9-0ubuntu5_amd64.deb
$ wget -nc 
https://launchpad.net/ubuntu/+source/mutter/42.9-0ubuntu5/+build/26711789/+files/libmutter-10-0_42.9-0ubuntu5_amd64.deb
$ wget -nc 
https://launchpad.net/ubuntu/+source/mutter/42.9-0ubuntu5/+build/26711789/+files/mutter-common_42.9-0ubuntu5_all.deb

Install the packages:
$ sudo dpkg -i *mutter*.deb

Mark as hold:
$ sudo apt-mark hold gir1.2-mutter-10
$ sudo apt-mark hold libmutter-10-0
$ sudo apt-mark hold mutter-common

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-03 Thread LGB [Gábor Lénárt]
I've fetched some older versions (again, I am running 22.04.4) of
packages gir1.2-mutter-10 libmutter-10-0 and mutter-common and made them
into hold status. After a very ugly and dangerous move, namely editing
/var/lib/dpkg/status by hand (to comply the dependencies of gnome-shell
which was broken by forcing older versions of packages ... maybe I
should have simply installed also older version of gnome-shell, hmm
...), now everything works perfectly again.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread Mikael Wikman
No need to reinstall the OS. I've posted a script for downgrading mutter 
packages for Ubuntu 23.10, 23.04, and 22.04 here:
https://askubuntu.com/a/1509288/96411

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread Cristiano Fraga G. Nunes
I've found a workaround:

I conducted a fresh installation of Ubuntu 22.04.4 and subsequently
marked specific packages for holding using the following commands:

$ sudo apt-mark hold gir1.2-mutter-10
$ sudo apt-mark hold libmutter-10-0
$ sudo apt-mark hold mutter-common

Following this, I proceeded to update all packages.
So, I'm currently utilizing version "42.9-0ubuntu5" of the mutter packages, 
instead of version "42.9-0ubuntu7."

Now, my system is with packages:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 22.04.4 LTS
Release:22.04
Codename:   jammy

$  dpkg -l | grep "mutter" | tr -s " " | cut -d " " -f 1-3
hi gir1.2-mutter-10:amd64 42.9-0ubuntu5
hi libmutter-10-0:amd64 42.9-0ubuntu5
hi mutter-common 42.9-0ubuntu5

$ dpkg -l | grep " nvidia-" | tr -s " " | cut -d " " -f 1-3
ii linux-modules-nvidia-535-generic-hwe-22.04 6.5.0-26.26~22.04.1
ii nvidia-compute-utils-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-driver-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-firmware-535-535.161.07 535.161.07-0ubuntu0.22.04.1
ii nvidia-kernel-common-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-kernel-source-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-prime 0.8.17.1
ii nvidia-settings 510.47.03-0ubuntu1
ii nvidia-utils-535 535.161.07-0ubuntu0.22.04.1

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread Cristiano Fraga G. Nunes
Same problem here. I have the lag in Gnome Terminal and Gnome Console
(kgx).

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.4 LTS
Release: 22.04
Codename: jammy

$ dpkg -l | grep "mutter" | tr -s " " |  cut -d " "  -f 1-3
ii gir1.2-mutter-10:amd64 42.9-0ubuntu7
ii libmutter-10-0:amd64 42.9-0ubuntu7
ii mutter-common 42.9-0ubuntu7

$ dpkg -l | grep " nvidia-" | tr -s " " |  cut -d " "  -f 1-3
ii linux-modules-nvidia-535-generic-hwe-22.04 6.5.0-26.26~22.04.1
ii nvidia-compute-utils-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-driver-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-firmware-535-535.161.07 535.161.07-0ubuntu0.22.04.1
ii nvidia-kernel-common-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-kernel-source-535 535.161.07-0ubuntu0.22.04.1
ii nvidia-prime 0.8.17.1
ii nvidia-settings 510.47.03-0ubuntu1
ii nvidia-utils-535 535.161.07-0ubuntu0.22.04.1

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread Charlie Page
Same issue, I've noticed something very strange.  If the below lines are 
commented out, the lag takes a few minutes to kick in (vs immediately when not 
commented out).
edit /usr/lib/udev/rules.d/61-gdm.rules
comment out the 2 lines:
RUN+="/usr/libexec/gdm-runtime-config set daemon PreferredDisplayServer xorg"
RUN+="/usr/libexec/gdm-runtime-config set daemon WaylandEnable false"
As a side note, Wayland does not well work for me, however, 
/etc/gdm3/custom.conf forces x11.
i.e.
echo $XDG_SESSION_TYPE
x11

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread Daniel van Vugt
It appears this is a recurrence of bug 1912246.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread Daniel van Vugt
** Changed in: mutter (Ubuntu)
   Status: Triaged => In Progress

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-02 Thread LGB [Gábor Lénárt]
I have similar problem. I'm currently using Ubuntu 22.04.4 LTS (x86_64).
Since some days (maybe three?) I see very odd behaviour from programs
running in gnome-terminal (or xfce4-terminal if it does not matter, I
guess the problem is not the terminal itself but VTE probably or
similar? - no problem when using KDE's Konsole for example!). I also
have nvidia's driver.

Some programs "only" have very significant input delay, sometimes like 1
sec or so. However interestingly some programs (most notably neomutt)
has "infinite" delay, ie, it lags behind exactly one key. For example if
I move upwards in the email list, then pressing down still moves up
once. And so on, it seems to be true for all keys. Other applications
running in terminal seems to "only" have more significant delay, but
it's not always consistent. Especially ssh'ing to a remote machine is a
very bad experience now, but even on the local host, without any ssh
involved just the shell, it's very notable.


$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 22.04.4 LTS
Release:22.04
Codename:   jammy
$ dpkg -l | grep mutter
ii  gir1.2-mutter-10:amd6442.9-0ubuntu7 
  amd64GObject introspection data for Mutter
ii  libmutter-10-0:amd64  42.9-0ubuntu7 
  amd64window manager library from the Mutter window manager
ii  mutter-common 42.9-0ubuntu7 
  all  shared files for the Mutter window manager

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread Bug Watch Updater
** Changed in: mutter
   Status: Unknown => New

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread amirsalarsafaei
Egmont Koblinger
Thanks for your reply after my comment I found out the issue that there is 
other binary that contributes and I use hold method to downgrade and now the 
issue is gone:D. the issue is indeed with the package I just hope they remove 
the buggy version as soon as possible because it is still is available on my 
release.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread Egmont Koblinger
> [amirsalarsafaei] I downgraded my mutter to 45.0-3ubuntu3 but the
issues persists

Mentioning just in case:

You should downgrade all the packages built from mutter's source that
you have installed, including libmutter-13-0, mutter-common, mutter-
common-bin etc. (Or at least I don't know which one really matters.)

And then you need to log out of your graphical session and log back in,
otherwise the previous mutter keeps running.

I'm pointing these out because this suspected mutter change is the only
relevant that has a reasonable chance of causing the issues, and
multiple people have reported that downgrading fixed the issue for them,
yet you report that it didn't for you. At this point we have to consider
that you might have made a mistake during downgrading, rather than the
bug being somewhere else.

> how to downgrade my mutter to specific version without apt?

I'd download these older packages from packages.ubuntu.com (as you
presumably already did with mutter), install them with `dpkg -i`, and
put them on "hold" (something like: `echo "mutter hold" | sudo dpkg
--set-selections`, and repeat for the other packages).

> an interesting thing is that the gnome-console is fine but other vte
based terminals have severe lag.

gnome-console uses gtk4 (and in turn the gtk4 variant of vte), others
use gtk3 (and in turn the gtk3 variant of vte). (I'm just stating this
as a fact. Don't ask how it triggers the bug to manifest with one but
not with the other, I don't know.)

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread Ian Flintoft
I am seeing similar interactivity issues on fully updated 22.04 on a Dell 
Precision laptop with Nvidia + X11 that started a day or so ago. Most 
noticeable in the terminal with lag/stuttering and seemingly lost keyboard 
inputs, but also affecting other apps with stuttering keyboard inputs and 
sometimes seemingly lost mouse clicks.

I will try downgrading mutter and suggested.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread amirsalarsafaei
So I'm on release 23.10 kernel 6.7.10-060710-generic x11 + nvidia 545 drivers + 
gnome 45.2
yesterday I upgraded these packages:

2024-03-31 14:25:59 upgrade mutter-common:all 45.2-0ubuntu3 45.2-0ubuntu4
2024-03-31 14:25:59 upgrade gir1.2-mutter-13:amd64 45.2-0ubuntu3 45.2-0ubuntu4
2024-03-31 14:25:59 upgrade libmutter-13-0:amd64 45.2-0ubuntu3 45.2-0ubuntu4
2024-03-31 14:25:59 upgrade mutter-common-bin:amd64 45.2-0ubuntu3 45.2-0ubuntu4
2024-03-31 14:25:59 upgrade libpulse-mainloop-glib0:amd64 1:16.1+dfsg1-2ubuntu4 
1:16.1+dfsg1-2ubuntu4.1
2024-03-31 14:25:59 upgrade libpulse0:amd64 1:16.1+dfsg1-2ubuntu4 
1:16.1+dfsg1-2ubuntu4.1
2024-03-31 14:25:59 upgrade libxnvctrl0:amd64 510.47.03-0ubuntu1 
550.54.14-0ubuntu1
2024-03-31 14:25:59 upgrade nvidia-settings:amd64 510.47.03-0ubuntu1 
550.54.14-0ubuntu1
2024-03-31 14:25:59 upgrade snapd:amd64 2.60.4+23.10.1 2.61.3+23.10


and the bug appeared afterward unfortunately I couldn't downgrade to mutter 
45.2-0ubuntu3 as it was no longer available through package manager but I 
downgraded my mutter to 45.0-3ubuntu3 but the issues persists. 45.0-3ubuntu3.

an interesting thing is that the gnome-console is fine but other vte
based terminals have severe lag. Does anyone know how to downgrade my
mutter to specific version without apt? Do I just have to build it from
the git and replace it? (I'm scared of breaking my environment)

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread Andreas Smas
I can confirm the issue (I am on ubuntu 22.04 nvidia + x11). gnome-
terminal, emacs and similar applications was lagging. Starting an
application that updated the screen continuously (such as glxgears)
seems to have alleviated the problem.

Downgrading mutter to from 42.9-0ubuntu7 (which I got in the latest
upgrade yesterday) to 42.0-3ubuntu2 (release, which was easy to get hold
of) seems to have fixed the problem.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia desktops with X11

2024-04-01 Thread Daniel van Vugt
If anyone experiences problems with Wayland then please subscribe to bug
1970389 instead.

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[Bug 2059847] Re: Input lag in native terminal on Nvidia with X11

2024-03-31 Thread Daniel van Vugt
** No longer affects: gnome-terminal (Ubuntu)

** Summary changed:

- Input lag in native terminal on Nvidia with X11
+ Input lag in native terminal on Nvidia desktops with X11

** Tags added: noble

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[Bug 2059847] Re: Input lag in native terminal on Nvidia with X11

2024-03-31 Thread Daniel van Vugt
** Also affects: mutter via
   https://gitlab.gnome.org/GNOME/mutter/-/issues/3384
   Importance: Unknown
   Status: Unknown

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[Bug 2059847] Re: Input lag in native terminal

2024-03-31 Thread Daniel van Vugt
** Changed in: mutter (Ubuntu)
   Importance: Critical => High

** Summary changed:

- Input lag in native terminal
+ Input lag in native terminal on Nvidia with X11

** Tags added: nvidia

** Changed in: mutter (Ubuntu)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

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[Bug 2059847] Re: Input lag in native terminal

2024-03-31 Thread Jeremy Bícha
** Tags added: regression-update

** Changed in: mutter (Ubuntu)
   Importance: Undecided => Critical

** Changed in: mutter (Ubuntu)
   Status: New => Triaged

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[Bug 2059847] Re: Input lag in native terminal

2024-03-31 Thread Egmont Koblinger
Seems to be reported upstream at
https://gitlab.gnome.org/GNOME/mutter/-/issues/3384.

The upstream bug unfortunately also made it into Ubuntu update packages
in https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2054510.

** Also affects: mutter (Ubuntu)
   Importance: Undecided
   Status: New

** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #3384
   https://gitlab.gnome.org/GNOME/mutter/-/issues/3384

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Title:
  Input lag in native terminal

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[Bug 2059847] Re: Input lag in native terminal

2024-03-31 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: gnome-terminal (Ubuntu)
   Status: New => Confirmed

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Title:
  Input lag in native terminal

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[Bug 2059847] Re: Input lag in native terminal

2024-03-31 Thread Marek
I believe it is related to one of those packages:


** Attachment added: "Screenshot from 2024-03-31 12-13-50.png"
   
https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/2059847/+attachment/5760904/+files/Screenshot%20from%202024-03-31%2012-13-50.png

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Title:
  Input lag in native terminal

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[Bug 2059847] Re: Input lag in native terminal

2024-03-31 Thread Marek
There is also a recent discussion here:
https://askubuntu.com/questions/1509058/input-delay-on-terminal-ubuntu-22-04-4

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Title:
  Input lag in native terminal

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[Bug 2059847] Re: Input lag in native terminal

2024-03-30 Thread Daniel van Vugt
** Package changed: ubiquity (Ubuntu) => gnome-terminal (Ubuntu)

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Title:
  Input lag in native terminal

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Re: [Bug 2059847] Re: Input lag in native terminal

2024-03-30 Thread Marek
I am deeply sorry - I must have selected the wrong option in 'ubuntu-bug'.
I am referring to the native terminal installed on ubuntu 22.04, which for
the last few days seems to be lagging due to some latest update. There is
an input delay, noticeable, and the deleting of input text comes with a
delay, too.

sob., 30 mar 2024 o 21:25 Steve Langasek <2059...@bugs.launchpad.net>
napisał(a):

> This bug is filed against ubiquity, which is an installer, not a
> terminal.  It is unclear what you mean by a "native terminal".  Please
> elaborate.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2059847
>
> Title:
>   Input lag in native terminal
>
> Status in ubiquity package in Ubuntu:
>   New
>
> Bug description:
>   There is a noticeable delay in input while using the native terminal.
>   I belive it was caused by a recent software update, as this issue is
>   relatively new.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 22.04
>   Package: ubiquity (not installed)
>   ProcVersionSignature: Ubuntu 6.5.0-26.26~22.04.1-generic 6.5.13
>   Uname: Linux 6.5.0-26-generic x86_64
>   NonfreeKernelModules: nvidia_modeset nvidia wl
>   ApportVersion: 2.20.11-0ubuntu82.5
>   Architecture: amd64
>   CasperMD5CheckResult: pass
>   CurrentDesktop: ubuntu:GNOME
>   Date: Sat Mar 30 19:57:13 2024
>   InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz
> file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
>   InstallationDate: Installed on 2024-03-30 (0 days ago)
>   InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64
> (20240220)
>   SourcePackage: ubiquity
>   Symptom: installation
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/2059847/+subscriptions
>
>

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  Input lag in native terminal

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[Bug 2059847] Re: Input lag in native terminal

2024-03-30 Thread Steve Langasek
This bug is filed against ubiquity, which is an installer, not a
terminal.  It is unclear what you mean by a "native terminal".  Please
elaborate.

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Title:
  Input lag in native terminal

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[Bug 2059847] Re: Input lag in native terminal

2024-03-30 Thread Ubuntu Foundations Team Bug Bot
** Package changed: ubuntu => ubiquity (Ubuntu)

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Title:
  Input lag in native terminal

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