Public bug reported:
After adding 'earlycon=pl011,0xfe201000' to cmdline.txt a Pi 4B no
longer boots the 5.4 kernel. It's stuck at:
MMC: mmcnr@7e300000: 1, emmc2@7e340000: 0
Loading Environment from FAT... *** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
Net: No ethernet found.
starting USB...
No working controllers found
## Info: input data size = 6 = 0x6
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found U-Boot script /boot.scr
2569 bytes read in 17 ms (147.5 KiB/s)
## Executing script at 02400000
8390528 bytes read in 624 ms (12.8 MiB/s)
Total of 1 halfword(s) were the same
Decompressing kernel...
Uncompressed size: 25907712 = 0x18B5200
29530646 bytes read in 2145 ms (13.1 MiB/s)
Booting Ubuntu (with booti) from mmc 0:...
## Flattened Device Tree blob at 02600000
Booting using the fdt blob at 0x2600000
Using Device Tree in place at 0000000002600000, end 000000000260ea26
Starting kernel ...
Works fine on Pi 3B and 3B+.
** Affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-raspi (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-raspi (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux-raspi (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux-raspi (Ubuntu Focal)
Importance: Undecided
Status: New
--
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Packages, which is subscribed to linux-raspi in Ubuntu.
https://bugs.launchpad.net/bugs/1893189
Title:
Pi 4B doesn't boot with 'earlycon=pl011,0xfe201000'
Status in linux-raspi package in Ubuntu:
New
Status in linux-raspi source package in Focal:
New
Status in linux-raspi source package in Groovy:
New
Bug description:
After adding 'earlycon=pl011,0xfe201000' to cmdline.txt a Pi 4B no
longer boots the 5.4 kernel. It's stuck at:
MMC: mmcnr@7e300000: 1, emmc2@7e340000: 0
Loading Environment from FAT... *** Warning - bad CRC, using default
environment
In: serial
Out: serial
Err: serial
Net: No ethernet found.
starting USB...
No working controllers found
## Info: input data size = 6 = 0x6
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found U-Boot script /boot.scr
2569 bytes read in 17 ms (147.5 KiB/s)
## Executing script at 02400000
8390528 bytes read in 624 ms (12.8 MiB/s)
Total of 1 halfword(s) were the same
Decompressing kernel...
Uncompressed size: 25907712 = 0x18B5200
29530646 bytes read in 2145 ms (13.1 MiB/s)
Booting Ubuntu (with booti) from mmc 0:...
## Flattened Device Tree blob at 02600000
Booting using the fdt blob at 0x2600000
Using Device Tree in place at 0000000002600000, end 000000000260ea26
Starting kernel ...
Works fine on Pi 3B and 3B+.
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