Joris, if there's been a loss of functionality of ddcutil 0.9.9 with kernel 5.8 (or earlier) vs kernel 5.10 (or later) I need to understand what that is, irrespective of the decision on inclusion of ddcutil in bullseye (well above my pay grade). To date I've had no other problem reports in that category. Please submit the output of "ddcutil environment --verbose" for ddcutil 0.9.9 on both kernel 5.9 (or earlier) and 5.10 (or later). Thank you.

On 05/19/2021 10:55 AM, Joris wrote:
Hi,

After some digging, I think we should position it to grave. I was unable to find a scenario with ddcutil working in linux 5.10 but my test setups are limited. The version number jumps may feel significant, but the changes (http://www.ddcutil.com/release_notes/ + http://www.ddcutil.com/prior_announcements/) appear to be limited (yet critical!) and "inside" the binary (heuristics) - but I'm not suited to properly judge that. There are no reverse dependencies, so that really limits the risk of updating I think.

Kind regards,

Op za 15 mei 2021 om 17:35 schreef Andrey Rahmatullin <[email protected] <mailto:[email protected]>>:

    On Sat, May 15, 2021 at 10:36:23AM -0400, Sanford Rockowitz wrote:
    > ddcutil 1.1.0 was uploaded to mentors on 4/22.  Per the sponsor
    (Andrey
    > Rahmatulin) it was not moved to sid because of the freeze for
    Bullseye.
    If the package doesn't work with the bullseye kernel it's a grave
    bug, not
    important, and the package should be fixed (or removed).
    Ti be eligible for bullseye the update should be a minimal patch
    added to
    the bullseye version.
    What do you think?


    > On 5/14/21 1:10 AM, Joris wrote:
    > > Package: ddcutil
    > > Version: 0.9.9-2
    > > Severity: important
    > > Tags: upstream
    > > X-Debbugs-Cc: [email protected] <mailto:[email protected]>
    > >
    > >
    > >
    > >
    > > -- System Information:
    > > Debian Release: bullseye/sid
    > >    APT prefers testing-security
    > >    APT policy: (500, 'testing-security'), (500, 'testing')
    > > Architecture: amd64 (x86_64)
    > >
    > > Kernel: Linux 5.10.0-6-amd64 (SMP w/8 CPU threads)
    > > Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
    > > Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8
    (charmap=UTF-8), LANGUAGE=en_GB: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     4.2-1+b1
    > > ii  libc6         2.31-11
    > > ii  libdrm2       2.4.104-1
    > > ii  libglib2.0-0  2.66.8-1
    > > ii  libudev1      247.3-5
    > > ii  libx11-6      2:1.7.0-2
    > > ii  libxrandr2    2:1.5.1-1
    > > ii  pci.ids       0.0~2021.02.08-1
    > > ii  usb.ids       2021.03.31-1
    > > ii  usbutils      1:013-3
    > >
    > > ddcutil recommends no packages.
    > >
    > > ddcutil suggests no packages.
    > >
    > > -- no debconf information
    > >
    > >
    > > >From the release information on ddcutil
    (http://www.ddcutil.com/release_notes/) it seems Linux kernel 5.10
    made changes. They are listed as "docking stations" but in my
    experience also apply to directly connected HDMI and Thunderbolt
    displays.
    > > Ddcutil 1.0.1 and 1.1.0 include workarounds for this kernel.
    On my system bringing back the same capabilities I had under
    kernel 5.8, whereas with ddcutil 0.9.9 on kernel 5.10 there was
    simply no device detected.
    > >
    > > As 5.10 seems to be the default in the upcoming Debian
    release, it would be very nice to get ddcutil updated as well.
    > > I had no issue building ddcutil from source.
    > >
    >
    >

-- WBR, wRAR


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