When the custom board with SR 2 is running from long time 8+ hours. We have observed the below kernel crash.
SDK Version: 7.1
SR 2 chip.
[35576.644197] Internal error: SP/PC alignment exception: 8a000000 [#1] PREEMPT SMP
[35576.651592] Modules linked in: nf_log_ipv4 nf_log_common xt_LOG xt_length ipt_REJECT nf_reject_ipv4 xt_nat xt_tcpudp xt_mark usb_f_ecm g_ether usb_f_rndis u_ether libcomposite ftdi_sio usbserial usbcore dwc3_keystone cryptodev(O) jailhouse(O) sch_fq_codel v4l2_fwnode phy_omap_usb2 sa2ul sha512_generic authenc at24 crct10dif_ce dwc3 udc_core usb_common omap_rng ti_am335x_adc kfifo_buf ti_am335x_tscadc cbc icssg_prueth icss_iep des_generic libdes aes_neon_bs aes_neon_blk ecb md5 br_netfilter bridge stp ipv6 llc iptable_nat iptable_filter ip_tables xt_addrtype xt_MASQUERADE nf_nat xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 x_tables libcrc32c xfrm_user xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 xfrm_algo rng_core virtio_rpmsg_bus pci_endpoint_test ti_k3_r5_remoteproc pru_rproc pruss irq_pruss_intc
[35576.723189] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G O 5.4.74-g9574bba32a #1
[35576.731525] Hardware name: Texas Instruments AM654 Base Board (DT)
[35576.737694] pstate: 60000085 (nZCv daIf -PAN -UAO)
[35576.742481] pc : 0x205b54fd5b22
[35576.745615] lr : 0x205b54fd5b22
[35576.748747] sp : ffff80001002fe50
[35576.752053] x29: ffff00087fa68430 x28: ffff8000101468e0
[35576.757356] x27: ffff00087fa67f00 x26: 0000000000000002
[35576.762657] x25: 0000000000000001 x24: 0000000000000080
[35576.767958] x23: 0000205b54fd58a2 x22: ffff00087fa67f60
[35576.773260] x21: ffff8000113cfe10 x20: ffff800010146928
[35576.778562] x19: ffff80001002fe50 x18: 0000000000000000
[35576.783864] x17: 0000000000000000 x16: 0000000000000000
[35576.789165] x15: 0000000000000000 x14: 0000000000000000
[35576.794468] x13: ffff800010fd1000 x12: 0000000000000001
[35576.799771] x11: ffff8000110ca000 x10: 0000000000000040
[35576.805074] x9 : ffff800010fea680 x8 : ffff800010fea678
[35576.810378] x7 : ffff800010feb000 x6 : 00000666d91dcdd3
[35576.815682] x5 : 000000006cbf9d7f x4 : ffff80086ebe0000
[35576.820983] x3 : ffff0008401f9a00 x2 : ffff00087fa696e8
[35576.826288] x1 : 0000000000000000 x0 : 0000000100010001
[35576.831590] Call trace:
[35576.834038] 0x205b54fd5b22
[35576.836839] Code: bad PC value
[35576.839900] ---[ end trace 0c6315ba9f2a2cad ]---
[35576.844512] Kernel panic - not syncing: Fatal exception in interrupt
[35576.850860] SMP: stopping secondary CPUs
[35576.854780] Kernel Offset: disabled
[35576.858261] CPU features: 0x0002,2000200c
[35576.862259] Memory Limit: none
[35576.865312] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
