# RPI CM5 + Picamera2: switch\_config results in Failed to queue buffer 0: Invalid argument ERROR RPISTREAM rpi\_stream.cpp:276 Failed to queue buffer for CFE Image **URL:** \ **Category:** Product support\ **Created:** [May 5, 2026, 3:07pm UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874 "2026-05-05T15:07:06Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![antoineschmider](https://avatars.discourse-cdn.com/v4/letter/a/5e9695/32.png) [@antoineschmider](https://forums.balena.io/u/antoineschmider)\ **Post date:** [May 5, 2026, 3:07pm UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874/1 "2026-05-05T15:07:06Z")
Hello, I’m running balenaOS with kernel `6.12.61-v8-16k` on a Raspberry Pi 5 with an IMX477 camera. I need to switch between picamera2 configurations at runtime (to change sensor mode/resolution). On RPi OS `6.6.74+rpt-rpi-v8` this works with a ~0.3s delay. On balenaOS it requires ~8 seconds, and anything shorter produces: `ERROR V4L2 v4l2_videodevice.cpp:1825 /dev/video12[23:cap]: Failed to queue buffer 0: Invalid argument` After investigation, the root cause appears to be a kernel driver issue. Running `dmesg` immediately after a config switch shows: ```auto WARNING: CPU: 2 PID: 88153 at drivers/media/v4l2-core/v4l2-subdev.c:457 call_s_stream+0xe8/0x110 [videodev] __vb2_queue_cancel+0x38/0x2e0 [videobuf2_common] vb2_core_streamoff+0x2c/0xe0 [videobuf2_common] ``` This indicates `vb2_queue_cancel` is calling `s_stream(0)` on the IMX477 subdev while buffers are still in flight, leaving the sensor in an unknown state and forcing a full cold I2C reinit (~8s) on every restart. Comparing the `rp1_cfe` driver between the two systems confirms they are built from different source: - balenaOS `6.12.61-v8-16k`: `srcversion: 585B4BF4EC144D534980F63` - RPi OS `6.6.74+rpt-rpi-v8`: `srcversion: 0D2B276CED3198F6A45B339` The RPi OS kernel is built from the RPi foundation’s `rpi-6.6.y` branch which contains Pi-specific fixes for `rp1_cfe` teardown that were never upstreamed to mainline. BalenaOS’s `6.12.61` appears to be built from vanilla mainline and is missing these patches. Could balenaOS switch to building from `github.com/raspberrypi/linux` `rpi-6.12.y` branch (which the RPi foundation actively maintains with these fixes) rather than vanilla mainline `6.12.y`? ---
**Author:** ![samuel-duffield1](https://sea2.discourse-cdn.com/balena/user_avatar/forums.balena.io/samuel-duffield1/32/10378_2.png) [@samuel-duffield1](https://forums.balena.io/u/samuel-duffield1)\ **Post date:** [May 6, 2026, 8:55am UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874/3 "2026-05-06T08:55:28Z")
Hi @antoineschmider Great question, and it sounds like you’ve done a thorough debug. I’ve flagged this with the OS engineers, and we’ll get back to you! ---
**Author:** ![floion](https://avatars.discourse-cdn.com/v4/letter/f/45deac/32.png) [@floion](https://forums.balena.io/u/floion)\ **Post date:** [May 6, 2026, 9:06am UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874/4 "2026-05-06T09:06:57Z")
Hi, This is the process we use to update the kernel [balena-raspberrypi/layers/meta-balena-raspberrypi/recipes-kernel/linux/linux-raspberrypi\_6.12.inc at master · balena-os/balena-raspberrypi · GitHub](https://github.com/balena-os/balena-raspberrypi/blob/master/layers/meta-balena-raspberrypi/recipes-kernel/linux/linux-raspberrypi_6.12.inc#L4) Maybe we just need to update the SRCREV from the rpi-6.12.y branch? ---
**Author:** ![floion](https://avatars.discourse-cdn.com/v4/letter/f/45deac/32.png) [@floion](https://forums.balena.io/u/floion)\ **Post date:** [May 6, 2026, 10:12am UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874/5 "2026-05-06T10:12:42Z")
> [@antoineschmider](#): > > rpi-6.12.y Can you point to the commit in the rpi-6.12.y branch that fixes the issues you mentioned? ---
**Author:** ![antoineschmider](https://avatars.discourse-cdn.com/v4/letter/a/5e9695/32.png) [@antoineschmider](https://forums.balena.io/u/antoineschmider)\ **Post date:** [May 6, 2026, 11:27am UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874/6 "2026-05-06T11:27:55Z")
> [@floion](#): > > Hi, > > This is the process we use to update the kernel [balena-raspberrypi/layers/meta-balena-raspberrypi/recipes-kernel/linux/linux-raspberrypi\_6.12.inc at master · balena-os/balena-raspberrypi · GitHub](https://github.com/balena-os/balena-raspberrypi/blob/master/layers/meta-balena-raspberrypi/recipes-kernel/linux/linux-raspberrypi_6.12.inc#L4) > > Maybe we just need to update the SRCREV from the rpi-6.12.y branch? Hello, Thanks for the fast reply. I think the fix I am looking for is in `598462fb0279b3615c40430ce9f3616e0a9d44b8` `media/platform/raspberypi/rp1_cfe: Candidate fix for #5821` AuthorDate: `Mon May 19 16:16:20 2025 +0100` CommitDate: `Tue Jun 3 12:34:46 2025 +0100` The commit message says: To avoid lost frame start in a subsequent session, avoid setting the number of lanes back to 1 or putting CSI-2 Host into reset. That sounds very close to the issue I’m seeing when switching Picamera2 configurations at runtime: the next camera session appears to start from a bad/unknown CFE/CSI state unless I wait several seconds. ---
**Author:** ![floion](https://avatars.discourse-cdn.com/v4/letter/f/45deac/32.png) [@floion](https://forums.balena.io/u/floion)\ **Post date:** [May 22, 2026, 11:19am UTC](https://forums.balena.io/t/rpi-cm5-picamera2-switch-config-results-in-failed-to-queue-buffer-0-invalid-argument-error-rpistream-rpi-stream-cpp-276-failed-to-queue-buffer-for-cfe-image/377874/7 "2026-05-22T11:19:25Z")
> [@antoineschmider](#): > > `598462fb0279b3615c40430ce9f3616e0a9d44b8` Hi, I checked on a v6.12.3+rev4 OS release for the RPi5 and I could find the commit you pointed to in the kernel tree we build for this release. Can you confirm the issue is still present on this OS version?