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DHCP sets 9000 MTU while wired interface supports 1500 - large packets kill the interface

1

When told by DHCP, the Raspberry Pi sets a 9000 bit MTU on its wired Ethernet interface that only supports up to 1500. Large packets as good as a cut...

liotier

No signal using vc4-kms-v3d dtoverlay on pi4

7

### Describe the bug I'm using a raspberry pi 4B, unless I set dtoverlay to use vc4-fkms-v3d I can't manage to get any signal through the HDMI after the raspberry...

giovariot

Is it possible to disable VC4 sound?

31

Hi, Using the BRCM drivers, there's the "dtparam=audio=off" option in config.txt to disable loading the audio modules, but what's the way to do the same with the VC4 drivers? I...

vanfanel

Error pairing with Secure Simple Pairing (SSP) disabled

7

There seems to be a problem with Bluetooth pairing when Secure Simple Pairing is disabled. Several posts on this forum alerted me to the problem (which I can verify): https://www.raspberrypi.org/forums/view...

Douglas6

[Pi4B] Can't use USB soundcards simultaneously. Works on Pi 3.

11

**Describe the bug** Multiple USB sound cards (even two) can't play simultaneously in Raspberry Pi 4B. Works fine in RPI3. When trying to play sound second attempt fails with "Not...

biasha2

bcm2835-v4l2-codec: Fix alignment of frames for deinterlace

21

The deinterlacer requires a height alignment of 16 so add it to the list of roles that get fixed up. Signed-off-by: John Cox

jc-kynesim

Suggestion: Include MPTCP

1

[Multipath TCP](https://www.multipath-tcp.org/) has been a part of Linux kernel since 5.6. it is under development but in 5.10 it has matured very much and is quite usable. More information about...

the-loudspeaker

Last 20220328 has a problem with AR9271

3

### Describe the bug The Atheros driver is not working properly with the last kernel. Specifically with AR9271 chipset of the TL-WN722N. The wlan0 is visible but cannot be active....

koroki

WARN::dwc_otg_hcd_handle_hc_fsm:2462: Unexpected IRQ state on FSM transaction:dev_addr=4 ep=0 fsm=6, hcint=0x00000002

7

**Describe the bug** I am getting `WARN::dwc_otg_hcd_handle_hc_fsm:2462: Unexpected IRQ state on FSM transaction:dev_addr=4 ep=0 fsm=6, hcint=0x00000002` constantly after running some time **To reproduce** **Expected behaviour** To work normal **Actual behaviour**...

ramana07

Bullseye touchscrren issue

2

### Describe the bug with burst version touchscreen works properly `evtest` show correctly `/dev/input/event0: raspberrypi-ts` but with bullseye version touchscreen flicker random touch arround the screen and `evtest` show `/dev/input/event0:...

borsegbr