Hi! If I enable CONFIG_CPU_SW_DOMAIN_PAN, I sometimes (but not always) get the following (or very similar) on boot.
Cheers, Peter Unhandled fault: page domain fault (0x81b) at 0x00086578 pgd = c2810000 [00086578] *pgd=22819831, *pte=224fe34f, *ppte=224fe83f Internal error: : 81b [#1] ARM Modules linked in: CPU: 0 PID: 907 Comm: ntpd Not tainted 4.3.0+ #29 Hardware name: Atmel SAMA5 task: c398dac0 ti: c2804000 task.ti: c2804000 PC is at memcpy+0x50/0x330 LR is at 0x1 pc : [<c01daff0>] lr : [<00000001>] psr: 80070013 sp : c2805ed4 ip : 00000007 fp : 000d3808 r10: 00000000 r9 : 00000080 r8 : 00000001 r7 : 00000010 r6 : 00000010 r5 : 003f7374 r4 : 00000000 r3 : 00000002 r2 : ffffffe0 r1 : c2805f38 r0 : 00086578 Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c53c7d Table: 22810059 DAC: 00000051 Process ntpd (pid: 907, stack limit = 0xc2804208) Stack: (0xc2805ed4 to 0xc2806000) 5ec0: 00000000 c2804000 00000000 5ee0: c2805f18 00086578 00086578 c01e76c4 c2819218 c2ff3b74 000d4344 00086578 5f00: 00000000 00000051 0000007c c0010224 c2804000 c004c988 00000002 00000000 5f20: 003f7374 00000010 00000010 00000001 00000007 00000001 01f40000 565ff060 5f40: 000183ef 00002710 00000000 00000000 00000000 00000000 00000000 00000000 5f60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5f80: 00000000 00000000 00000000 00000000 00000000 00000000 000d3968 0005e38f 5fa0: 000d4344 c0010060 000d3968 0005e38f 00086578 00000000 ffffffff 00000001 5fc0: 000d3968 0005e38f 000d4344 0000007c 000d3814 00000001 000d4338 000d3808 5fe0: 00081e7c bec558b4 00026d3d b6d09126 00000030 00086578 009e3675 2a090bb6 [<c01daff0>] (memcpy) from [<c01e76c4>] (__copy_to_user_memcpy+0x138/0x17c) [<c01e76c4>] (__copy_to_user_memcpy) from [<c004c988>] (SyS_adjtimex+0xd4/0xf0) [<c004c988>] (SyS_adjtimex) from [<c0010060>] (ret_fast_syscall+0x0/0x3c) Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) ---[ end trace 04981945a3df2e5e ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/