are you using the same firmware on both 9front and miller's?
On 6/23/21, k.st via 9fans <9fans@9fans.net> wrote:
> I recently acquired a new 2GB raspberry pi 4, tried to run
> the 9front pi3 image on it, and got the exact same
>
> sdhc: readerror intr 2008002 stat 1fff0000
>
> error as mentioned in [1]. Strangely, the image works fine
> on an old 4GB rpi 4 I have.
>
> I don't think the memory difference matters here. The only
> other difference I could notice is the "revision number" of
> the two devices. The old rpi4 (working) is revision 1.2,
>
> linux$ cat /proc/cpuinfo
> processor : 0
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 108.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> processor : 1
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 108.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> processor : 2
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 108.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> processor : 3
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 108.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> Hardware : BCM2711
> Revision : c03112
> Serial : [REDACTED]
> Model : Raspberry Pi 4 Model B Rev 1.2
>
> while the new model (not working) is revision 1.4
>
> linux$ cat /proc/cpuinfo
> processor : 0
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 126.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> processor : 1
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 126.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> processor : 2
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 126.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> processor : 3
> model name : ARMv7 Processor rev 3 (v7l)
> BogoMIPS : 126.00
> Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva
> idivt vfpd32 lpae evtstrm crc32
> CPU implementer : 0x41
> CPU architecture: 7
> CPU variant : 0x0
> CPU part : 0xd08
> CPU revision : 3
>
> Hardware : BCM2711
> Revision : b03114
> Serial : [REDACTED]
> Model : Raspberry Pi 4 Model B Rev 1.4
>
> I'm not sure about the exact hardware difference between the
> two revisions, though one thing I notice is that the older
> model seems to have a dedicated EEPROM for VL805 USB firmware
>
> linux$ sudo rpi-eeprom-update
> *** UPDATE AVAILABLE ***
> BOOTLOADER: update available
> CURRENT: Thu 03 Sep 2020 12:11:43 PM UTC (1599135103)
> LATEST: Thu 29 Apr 2021 04:11:25 PM UTC (1619712685)
> RELEASE: default (/lib/firmware/raspberrypi/bootloader/default)
> Use raspi-config to change the release.
>
> VL805_FW: Dedicated VL805 EEPROM
> VL805: up to date
> CURRENT: 000138a1
> LATEST: 000138a1
>
> while the newer model doesn't:
>
> linux$ sudo rpi-eeprom-update
> *** UPDATE AVAILABLE ***
> BOOTLOADER: update available
> CURRENT: Tue 16 Feb 2021 01:23:36 PM UTC (1613481816)
> LATEST: Thu 29 Apr 2021 04:11:25 PM UTC (1619712685)
> RELEASE: default (/lib/firmware/raspberrypi/bootloader/default)
> Use raspi-config to change the release.
>
> VL805_FW: Using bootloader EEPROM
> VL805: up to date
> CURRENT: 000138a1
> LATEST: 000138a1
>
> I'm not sure how this affects the booting of 9front. I can
> confirm the firmware difference doesn't matter. I downgraded
> the newer model's firmware to 03 Sep 2020, still got the
> same error.
>
> However, Richard Miller's 9pi image does work on the newer
> model. Maybe something needs to be backported to 9front.
>
> I also tried to boot freebsd on this newer model of rpi4 and
> ran into a similar issue (works on old model, doesn't work
> on new model). There are some discussions on the freebsd
> forum that might be related
>
> -
> https://forums.freebsd.org/threads/stuck-in-u-boot-during-freebsd-13-install-on-raspberry-pi-400.79941/
> - https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255080
>
> The fix proposed in [2] works, but it doesn't apply to
> 9front.
>
> Does anyone have any successes with booting 9front on a rpi4
> rev 1.4?
>
> - kst
>
> [1]:
> https://inbox.vuxu.org/9front/0100017720d2f6b4-a93bc058-3523-49a3-99c9-41d030c74716-000000@email.amazonses.com/T/#u
> [2]: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255080#c15
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