RPI 4 not find the disk to boot from

Hello all,


I'm trying to install FreeBSD 14.2 on a newly acquired rpi4 with 4GB 
RAM. I have used the aarch64 RPI image and rpi imager to create the SD 
card. FreeBSD boots but doesn't complete the boot process:


I get the following :

sdhci_bmc1-slot0: Controller Timeout
sdhci_bmc1-slot0: ============== REGISTER DUMP ===============
sdhci_bmc1-slot0: Sys addr: 0x00000000c8 | Version: 0x00001002
sdhci_bmc1-slot0: Blk size: 0x0000000200 | Blk cnt: 0x00000001
sdhci_bmc1-slot0: Argument: 0x0ee2afff   | Trn mode:0x00000012
sdhci_bmc1-slot0: Present:  0x1fff0a06   | Host ctl:0x00000007
sdhci_bmc1-slot0: Power:    0x000000000f | Blk gap: 0x00000080
sdhci_bmc1-slot0: Wake-up:  0x0000000000 | Clock:   0x00000107
sdhci_bmc1-slot0: Timeout:  0x0000000003 | Int stat:0x00000000
sdhci_bmc1-slot0: Int enab: 0x01ff003b   | Sig enab:0x01ff0009
sdhci_bmc1-slot0: AC12 err: 0x0000000000 | Host cltl2:0x00000000
sdhci_bmc1-slot0: Caps:     0x45ee6432   | Caps2:   0x0000a525
sdhci_bmc1-slot0: Max curr: 0x0000000008 | ADMA err:0x00000000
sdhci_bmc1-slot0: ADMA addr:0x0000000000 | Slot int:0x00000000
sdhci_bmc1-slot0: ============================================
mmcsd0: Errorindicated 1 Timeout


It then goes on telling me that he can't mount and gives me to options 
to mount either ufs or zfz. None work.

I've tried with two different microSDcards. Both were able to boot 
Fedora arm images.


Any idea on what I could do to finish the boot process? Am I providng 
enough information for this email to be useful?


Ludo

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