Thanks for this! On Mon Jul14'25 03:53:35PM, Ben Matteson wrote: > From: Ben Matteson <bmatt...@gmail.com> > Date: Mon, 14 Jul 2025 15:53:35 -0500 > To: Community support for Fedora users <users@lists.fedoraproject.org> > CC: Ranjan Maitra <mlmai...@gmx.com> > Reply-To: Community support for Fedora users <users@lists.fedoraproject.org> > Subject: Re: Dell Latitude 7420's camera not working on new F42 install > > On Mon, 2025-07-14 at 13:27 -0500, Ranjan Maitra via users wrote: > > Hi, > > > > I installed F42 from scratch on a Dell Latitude 7420 about a month > > ago, and only now have I noticed that the in-built camera does not > > appear to be working. I just get a black screen. > > > > Perhaps it is missing a driver or something else. I am still runnning > > 6.15.4-200 kernel, though the system is up to date. (Since I > > > > > This is probably the issue with the Intel "mipi" camera drivers. > Most Dell machines ship with the "mipi" camera that is only partially > supported in the kernel. Hans de Goede has been working on support for > this in the kernel and in Fedora > (https://hansdegoede.dreamwidth.org, https://hansdegoede.livejournal.com/ > ). Just check for his posts on ipu6. > > There are multiple pieces that need to be installed to make this camera > work. Some of the drivers are already in the kernel, but there are some > sensors included in newer Dells that aren't supported yet. > > You can see if the camera on this particular Dell works by installing > the akmod-intel-ipu6 driver from rpmfusion-nonfree. I believe it > requires Secure Boot to be disabled (it builds an unsigned kernel > module). >
Interesting, this laptop is about three years old. I would not have thought this as a new laptop. BUt I could not install, having got, from sudo dnf install akmod-intel-ipu6 ...... >>> Running post-install scriptlet: akmods-0:0.6.0-9.fc42.noarch >>> Finished post-install scriptlet: akmods-0:0.6.0-9.fc42.noarch >>> Scriptlet output: >>> Created symlink '/etc/systemd/system/multi-user.target.wants/akmods.service' >>> [25/34] Installing v4l2loopback-0:0.15. 100% | 6.1 MiB/s | 80.6 KiB | 00m00s [26/34] Installing akmod-v4l2loopback-0 100% | 9.2 MiB/s | 103.5 KiB | 00m00s [27/34] Installing v4l2-relayd-0:0.1.2- 100% | 1.5 MiB/s | 44.3 KiB | 00m00s >>> Running post-install scriptlet: v4l2-relayd-0:0.1.2-14.20220126git2e4d5c9.fc >>> Finished post-install scriptlet: v4l2-relayd-0:0.1.2-14.20220126git2e4d5c9.f >>> Scriptlet output: >>> Created symlink '/etc/systemd/system/multi-user.target.wants/v4l2-relayd.ser >>> [28/34] Installing gstreamer1-plugins-i 100% | 61.7 MiB/s | 252.8 KiB | 00m00s [29/34] Installing ipu6-camera-hal-0:0. 100% | 479.1 MiB/s | 39.3 MiB | 00m00s [30/34] Installing ipu6-camera-bins-0:0 100% | 701.4 MiB/s | 23.1 MiB | 00m00s [31/34] Installing akmod-intel-ipu6-0:0 100% | 37.3 MiB/s | 420.1 KiB | 00m00s [32/34] Installing python3-rpmautospec- 100% | 40.0 MiB/s | 450.2 KiB | 00m00s [33/34] Installing systemd-rpm-macros-0 100% | 11.0 MiB/s | 11.3 KiB | 00m00s [34/34] Installing cmake-rpm-macros-0:3 100% | 10.6 KiB/s | 8.3 KiB | 00m01s >>> Running post-transaction scriptlet: ipu6-camera-hal-0:0.0-24.20241218gitb6f6 >>> Non-critical error in post-transaction scriptlet: ipu6-camera-hal-0:0.0-24.2 >>> Scriptlet output: >>> Failed to open the device '/sys/devices/pci0000:00/0000:00:05.0': No such de >>> >>> [RPM] %posttrans(ipu6-camera-hal-0.0-24.20241218gitb6f6eeb.fc42.x86_64) scri Complete! What does the above mean? What should I do here? > > After the dnf install completes, make sure to give time for the kernel > module build to complete. After that is done, reboot, and check if y > our camera is working: > https://mozilla.github.io/webrtc-landing/gum_test.html. > > > Regards, > Ben Many thanks again, and best wishes, Ranjan -- _______________________________________________ users mailing list -- users@lists.fedoraproject.org To unsubscribe send an email to users-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
