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From: Simon Budig &lt;simon@budig.de&gt;
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
Subject: nheko uses 100% CPU for an unknown reason
Message-ID: &lt;177848943781.13817.11552948626337910694.reportbug@teardrop.budig&gt;
Date: Mon, 11 May 2026 10:50:37 +0200
Delivered-To: submit@bugs.debian.org

Package: nheko
Version: 0.12.1-1+ds+~0.10.1+ds+~1.0.0+ds+~0.3.2+ds-1+b3
Severity: important

Dear Maintainer,

I updated my debian testing installation at the end of last week and
nheko now eats up 100% CPU when started. This has not been the case in
an earlier version. It wastes energy for probably no good reason.

Since this forces the fan to run continuously on my laptop it hampers
the usability of my system, but it does not cause it to crash or become
unresponsive.

Regards,
        Simon

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

*** End of the template - remove these template lines ***


-- System Information:
Debian Release: forky/sid
  APT prefers testing-security
  APT policy: (500, 'testing-security'), (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 7.0.3+deb14-amd64 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_USER
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages nheko depends on:
ii  libc6                                     2.42-16
ii  libcmark0.30.2                            0.30.2-6+b3
ii  libcpp-httplib0.41                        0.41.0+ds-3
ii  libcurl4t64                               8.20.0-1
ii  libevent-core-2.1-7t64                    2.1.12-stable-10+b2
ii  libevent-pthreads-2.1-7t64                2.1.12-stable-10+b2
ii  libfmt10                                  10.1.1+ds1-4+b2
ii  libgcc-s1                                 16-20260425-1
ii  libglib2.0-0t64                           2.88.1-2
ii  libgstreamer-gl1.0-0                      1.28.2-2
ii  libgstreamer-plugins-bad1.0-0             1.28.2-2
ii  libgstreamer-plugins-base1.0-0            1.28.2-2
ii  libgstreamer1.0-0                         1.28.2-1
ii  libkdsingleapplication-qt6-1.0            1.2.1-1
ii  liblmdb0                                  0.9.31-1+b3
ii  libolm3                                   3.2.16+dfsg-5+b1
ii  libqt6core6t64 [qt6-base-private-abi]     6.10.2+dfsg-12
ii  libqt6dbus6                               6.10.2+dfsg-12
ii  libqt6gui6                                6.10.2+dfsg-12
ii  libqt6keychain1                           0.16.0-1
ii  libqt6multimedia6                         6.10.2-3
ii  libqt6qml6 [qt6-declarative-private-abi]  6.10.2+dfsg-4
ii  libqt6quick6                              6.10.2+dfsg-4
ii  libqt6svg6                                6.10.2-5
ii  libqt6widgets6                            6.10.2+dfsg-12
ii  libre2-11 [libre2-11-absl20260107]        20251105-1
ii  libspdlog1.15 [libspdlog1.15-fmt10]       1:1.15.3+ds-1+b2
ii  libssl3t64                                3.6.2-1
ii  libstdc++6                                16-20260425-1
ii  qml6-module-qt-labs-platform              6.10.2+dfsg-4
ii  qml6-module-qtmultimedia                  6.10.2-3
ii  qml6-module-qtqml                         6.10.2+dfsg-4
ii  qml6-module-qtqml-models                  6.10.2+dfsg-4
ii  qml6-module-qtquick                       6.10.2+dfsg-4
ii  qml6-module-qtquick-controls              6.10.2+dfsg-4
ii  qml6-module-qtquick-dialogs               6.10.2+dfsg-4
ii  qml6-module-qtquick-effects               6.10.2+dfsg-4
ii  qml6-module-qtquick-layouts               6.10.2+dfsg-4
ii  qml6-module-qtquick-particles             6.10.2+dfsg-4
ii  qml6-module-qtquick-window                6.10.2+dfsg-4
ii  qt6-svg-plugins                           6.10.2-5

Versions of packages nheko recommends:
ii  ca-certificates            20260223
ii  fonts-noto-color-emoji     2.051-1
ii  gnome-keyring              50.0-1
ii  gstreamer1.0-libcamera     0.7.1-1
ii  gstreamer1.0-nice          0.1.23-2+b1
ii  gstreamer1.0-pipewire      1.6.4-1
ii  gstreamer1.0-plugins-bad   1.28.2-2
pn  gstreamer1.0-qt6           &lt;none&gt;
ii  qt6-image-formats-plugins  6.10.2-2

Versions of packages nheko suggests:
pn  gstreamer1.0-vaapi     &lt;none&gt;
pn  kimageformat6-plugins  &lt;none&gt;

-- debconf-show failed
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