This bug was fixed in the package ubuntu-raspi-settings - 25.04.3
---------------
ubuntu-raspi-settings (25.04.3) plucky; urgency=medium
* 70-pi-camera.rules: grant access to /dev/dma_heap/linux,cma for camera
module operation (LP: #2091380)
-- Dave Jones <[email protected]> Fri, 04 Apr 2025 11:12:45
+0100
** Changed in: ubuntu-raspi-settings (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/2091380
Title:
root permissions required to r/w to DMA heap for libpisp on RPi5
Status in libcamera package in Ubuntu:
Invalid
Status in ubuntu-raspi-settings package in Ubuntu:
Fix Released
Bug description:
This affects libcamera on the Raspberry Pi 5. The new libpisp and PiSP driver
(https://bugs.launchpad.net/ubuntu/+bug/2089646 and
https://code.launchpad.net/~r41k0u/ubuntu/+source/libcamera/+git/libcamera/+merge/477052)
needs to r/w to /dev/dma_heap/linux,cma
/dev/dma_heap/limux,cma only has r/w permissions for the root user. This
needs to be worked around to make cameras work on RPi5.
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