root@j721s2-evm:/# devmem2 0xf008000 /dev/mem opened.[108571.029655] SError Interrupt on CPU0, code 0x00000000bf000000 -- SError [108571.029670] CPU: 0 PID: 217230 Comm: devmem2 Tainted: G O 6.6.44-ti #1 [108571.029676] Hardware name: Texas Instruments J721S2 EVM (DT) [108571.029678] pstate: 40000000 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [108571.029682] pc : 0000ffff9fcb3414 [108571.029684] lr : 0000ffff9fcb57b8 [108571.029685] sp : 0000ffffd3ef29b0 [108571.029686] x29: 0000ffffd3ef29b0 x28: 0000ffffd3ef2b80 x27: 0000000000000000 [108571.029693] x26: 0000000000420000 x25: 0000ffff9fcdf000 x24: 0000ffffd3ef2d78 [108571.029697] x23: 0000000000000003 x22: 00000000004007a0 x21: 0000ffff9fce6350 [108571.029702] x20: 0000000000420018 x19: 0000000000000048 x18: 0000000000000003 [108571.029706] x17: 0000ffff9fcb5770 x16: 000000000041fff8 x15: 0000ffff9fcd8ce0 [108571.029710] x14: 0000000000000001 x13: 0000ffffd3ef2ad0 x12: 00000000ffffffc8 [108571.029715] x11: 00000000ffffff80 x10: 000000000000000a x9 : 0000000000000000 [108571.029719] x8 : 0000000000000040 x7 : 3030306664636639 x6 : 0000000000400358 [108571.029723] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [108571.029727] x2 : 00000000004003d0 x1 : 000000000000000a x0 : 0000000000400580 [108571.029733] Kernel panic - not syncing: Asynchronous SError Interrupt [108571.029735] CPU: 0 PID: 217230 Comm: devmem2 Tainted: G O 6.6.44-ti #1 [108571.029739] Hardware name: Texas Instruments J721S2 EVM (DT) [108571.029741] Call trace: [108571.029743] dump_backtrace+0x90/0xe8 [108571.029759] show_stack+0x18/0x24 [108571.029764] dump_stack_lvl+0x48/0x60 [108571.029769] dump_stack+0x18/0x24 [108571.029772] panic+0x324/0x380 [108571.029777] nmi_panic+0x8c/0x90 [108571.029780] arm64_serror_panic+0x6c/0x78 [108571.029785] do_serror+0x3c/0x70 [108571.029790] __el0_error_handler_common+0x40/0xa4 [108571.029793] el0t_64_error_handler+0x10/0x1c [108571.029796] el0t_64_error+0x190/0x194 [108571.029800] SMP: stopping secondary CPUs [108571.029808] Kernel Offset: disabled [108571.029810] CPU features: 0x0,80000200,28020000,1000420b [108571.029813] Memory Limit: none [108571.220244] ---[ end Kernel panic - not syncing: Asynchronous SError Interrupt ]--- Memory mapped at address 0xffff9fcdf000.