Other Parts Discussed in Thread: AM62P,
Tool/software:
MPU: AM62P
SDK: 10.0
EVK: SK-AM62P-LP
Dear supporter,
In Chap 4.1.10.4, where should "output" be located? In our case, we use OSPI flash. And what path should we give to CONFIG_INITRAMFS_SOURCE? We met "can't open blockdev".
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 6.6.32-rt29-gc76373e447c9-dirty (wilson@virtual-pc) (aarch64-none-linux-gnu-gcc (Arm GNU Toolchain 13.3.Rel1 (Build arm-13.24)) 13.3.1 20240614, GNU ld (Arm GNU Toolchain 13.3.Rel1 (Build arm-13.24)) 2.42.0.20240614) #2 SMP PREEMPT Wed Sep 25 13:02:37 CST 2024 [ 0.000000] KASLR disabled due to lack of seed [ 0.000000] Machine model: Texas Instruments AM62P5 SK [ 0.000000] earlycon: ns16550a0 at MMIO32 0x0000000002800000 (options '') [ 0.000000] printk: legacy bootconsole [ns16550a0] enabled [ 0.104912] omap-mailbox 29020000.mailbox: no available mbox devices found [ 0.112000] omap-mailbox 29030000.mailbox: no available mbox devices found [ 0.205184] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@0/ports [ 0.205243] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@1/ports [ 0.231715] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@0/ports [ 0.231745] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@1/ports [ 0.249741] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@0/ports [ 0.249769] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@1/ports [ 0.251664] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@0/ports [ 0.251686] OF: graph: no port node found in /bus@f0000/dss@30200000/oldi-txes/oldi@1/ports [ [ 0.283631] /dev/root: Can't open blockdev [ 0.283663] VFS: Cannot open root device "" or unknown-block(0,0): error -6 [ 0.283667] Please append a correct "root=" boot option; here are the available partitions: [ 0.283683] List of all bdev filesystems: [ 0.283685] ext3 [ 0.283686] ext4 [ 0.283688] ext2 [ 0.283690] [ 0.283694] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 0.322891] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.6.32-rt29-gc76373e447c9-dirty #2 [ 0.330963] Hardware name: Texas Instruments AM62P5 SK (DT) [ 0.336520] Call trace: [ 0.338956] dump_backtrace+0xa0/0xe0 [ 0.342617] show_stack+0x18/0x24 [ 0.345924] dump_stack_lvl+0x48/0x60 [ 0.349580] dump_stack+0x18/0x24 [ 0.352886] panic+0x2fc/0x350 [ 0.355933] mount_root_generic+0x250/0x320 [ 0.360110] mount_root+0x170/0x334 [ 0.363589] prepare_namespace+0x6c/0x2a4 [ 0.367589] kernel_init_freeable+0x234/0x274 [ 0.371935] kernel_init+0x24/0x1dc [ 0.375417] ret_from_fork+0x10/0x20 [ 0.378984] SMP: stopping secondary CPUs [ 1.450506] SMP: failed to stop secondary CPUs 1,3 [ 1.455286] Kernel Offset: 0x80000 from 0xffff800080000000 [ 1.460755] PHYS_OFFSET: 0x80000000 [ 1.464230] CPU features: 0x0,00000008,00000000,1000420b [ 1.469528] Memory Limit: none [ 1.472572] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---
Thanks.
Wilson
