Package: ddcutil
Version: 2.2.5-1
Severity: important
Tags: upstream
X-Debbugs-Cc: [email protected]


Reported by upstream author:

> ddcutil 2.2.5 has had reports of significant problems in the libddcutil 
> subsystem that watches for display connection and disconnection. Most, I 
> believe have been resolved in branch 2.2.6-dev.  However, under some 
> ill-defined circumstances, libddcutil loses RW access permission for the 
> /dev/i2c devices.  The flood of errors hangs KDE PowerDevil, and the 
> user interface become unresponsive.  Are you aware of any problems in 
> this regard?  If the problem is at all widespread and not resolved in 
> libddcutil or powerdevil, ddcutil 2.2.5 should not go into Ubuntu 
> 26.04.  ddcutil 2.2.4 failed to build on arm, so Ubuntu 26.04 would have 
> to drop back to ddcutil 2.2.3 or forward to 2.2.6, assuming that becomes 
> available soon.


-- System Information:
Debian Release: 13.3
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.41+deb13-amd64 (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.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 ddcutil depends on:
ii  i2c-tools        4.4-2
ii  libc6            2.41-12+deb13u1
ii  libdrm2          2.4.124-2
ii  libglib2.0-0t64  2.84.4-3~deb13u2
ii  libjansson4      2.14-2+b3
ii  libudev1         257.9-1~deb13u1
ii  libx11-6         2:1.8.12-1
ii  libxext6         2:1.3.4-1+b3
ii  libxrandr2       2:1.5.4-1+b3
ii  pci.ids          0.0~2025.06.09-1
ii  usb.ids          2025.07.26-1
ii  usbutils         1:018-2

ddcutil recommends no packages.

ddcutil suggests no packages.

-- no debconf information

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