Machine check exception happened on T1040RDB

[wengangzhu]

Hello,

   The machine check exception happened on T1040RDB. 

Is there any clue about the cause from below log print?

Is there any other method we can try to do the further debug ?

Thanks

[1138458.142851] Oops: Machine check, sig: 7 [#1]
[1138458.147317] BE PAGE_SIZE=4K SMP NR_CPUS=8 CoreNet Generic
[1138458.152900] Modules linked in: xt_conntrack xt_tcpudp iptable_filter ip_tables bpfilter xt_hashlimit x_tables nf_nat_ftp nf_conntrack_ftp nf_nat_tftp nf_conntrack_tftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 hal_dnx(O) bridge stp llc hal_vmac(O) vrf ssal(O) kbp_driver(O) linux_user_bde(O) linux_kernel_bde(O) utl_dev(O) i2c_dev event_mod(O) ramoops reed_solomon pramfs spi_nor spidev uio_pdrv_clx(O) fsl_jr_uio ucd9000 lm90 bmr4xx(O) rtc_pcf8583 zl6100 pmbus_core ds100br210(O) clx_shr_irq(O) kap(O) proc_fifo(O) sc16is7xx at24 lm75 si5345(O) spic(O) ltc4261 hwmon spi_fsl_espi [last unloaded: linux_kernel_bde]
[1138458.207836] CPU: 0 PID: 18741 Comm: sh Tainted: G   M       O      5.10.52+ga11753a89ec6+p0 #1
[1138458.216638] **bleep**:  b7c9f4c0 LR: b7c9ee50 CTR: 0000002c
[1138458.221871] REGS: cfba3f08 TRAP: 0204   Tainted: G   M       O       (5.10.52+ga11753a89ec6+p0)
[1138458.230762] MSR:  0002f902 <CE,EE,PR,FP,ME>  CR: 42282284  XER: 20000000
[1138458.237667] DEAR: 0fd94008 ESR: 00000000
[1138458.237667] GPR00: b7caec68 bfa6d790 b7cdf6a0 b7cd7670 b7cd783c 00000001 0ff9d2e4 0022d048
[1138458.237667] GPR08: 0fd92050 0fd94000 0feff000 00000004 82000284 100e38c0 bfa6d7a0 00000000
[1138458.237667] GPR16: 0fd79c9c bfa6d7c0 b7cdaf28 0000fff1 00000000 00000004 b7cd783c 0000c1c8
[1138458.237667] GPR24: 6474e553 00000000 0fd70000 00000001 0fd9dc3c b7cd7670 b7cdbfe4 bfa6d790
[1138458.276091] **bleep** [b7c9f4c0] 0xb7c9f4c0
[1138458.279931] LR [b7c9ee50] 0xb7c9ee50
[1138458.283683] Call Trace:
[1138458.286308] ---[ end trace 51bbbeb99edddda3 ]---
[1138458.304914]
[1138458.306589] Disabling lock debugging due to kernel taint
[1138458.306591] Machine check in kernel mode.
[1138458.306593] Caused by (from MCSR=8000): Load Error Report
[1138459.298603] Kernel panic - not syncing: Fatal exception
[1138459.333277] Rebooting in 2 seconds..

[yipingwang]

Please refer to the following document for Linux Kernel debugging with CodeWarrior.

https://community.nxp.com/t5/CodeWarrior-for-QorIQ-Knowledge/Debugging-Linux-Kernel-with-CodeWarrior...