With Linux kernel 5.4.47 using the LSDK-20.12-V5.4 tag and manually triggering a kernel crash, an intermittent Linux kernel crash happens in the secondary kernel:
root@6405-Slot3:~# echo c > /proc/sysrq-trigger
sysrq: Trigger a crash
Kernel panic - not syncing: sysrq triggered crash
CPU: 0 PID: 5629 Comm: sh Kdump: loaded Tainted: P O 5.4.47-yocto-standard #1
Hardware name: LS1046A RDB Board (DT)
Call trace:
dump_backtrace+0x0/0x140
show_stack+0x14/0x20
dump_stack+0xa8/0xd0
panic+0x140/0x324
sysrq_handle_reboot+0x0/0x20
__handle_sysrq+0x88/0x180
write_sysrq_trigger+0x6c/0x88
proc_reg_write+0x5c/0x98
__vfs_write+0x18/0x40
vfs_write+0xbc/0x1a8
ksys_write+0x54/0xd0
__arm64_sys_write+0x18/0x20
el0_svc_common.constprop.0+0x58/0xf0
el0_svc_handler+0x6c/0x88
el0_svc+0x8/0xc
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x0002,20002000
Memory Limit: none
Starting crashdump kernel...
Bye!
cma: Failed to reserve 200 MiB
fsl,ifc-nand 7e800000.nand: fsl_ifc_nand_probe: address did not match any chip selects
spi-nor spi0.1: unrecognized JEDEC id bytes: ff ff ff ff ff ff
cpu 0: ! MAJOR FM Error [CPU00, drivers/net/ethernet/freescale/sdk_fman/src/wrapper/lnxwrp_fm_port.c:185 FqAlloc]: Memory Allocation Failed;
cpu 0: FQ obj - qman_init_fq!!!
cpu 0:
cpu 0: ! MAJOR FM Error [CPU00, drivers/net/ethernet/freescale/sdk_fman/src/wrapper/lnxwrp_fm_port.c:1198 InitFmPcdDev]: Unexpected NULL Pointer;
cpu 0: Frame queue allocation failed...
cpu 0:
fsl_dpa soc:fsl,dpaa:ethernet@2: of_find_device_by_node(ethernet@e4000) failed
fsl_dpa soc:fsl,dpaa:ethernet@3: of_find_device_by_node(ethernet@e6000) failed
fsl_dpa soc:fsl,dpaa:ethernet@4: of_find_device_by_node(ethernet@e8000) failed
fsl_dpa soc:fsl,dpaa:ethernet@5: of_find_device_by_node(ethernet@ea000) failed
fsl_dpa soc:fsl,dpaa:ethernet@8: of_find_device_by_node(ethernet@f0000) failed
fsl_dpa soc:fsl,dpaa:ethernet@9: of_find_device_by_node(ethernet@f2000) failed
ina2xx 0-0040: error configuring the device: -6
lm90 0-004c: Failed to initialize device
binding zone thermal-zone0 with cdev (efault) failed:-22
qoriq_thermal 1f00000.tmu: Failed to register sensors
