On Fri, 2024-05-17 at 12:30 +0200, admin LI wrote: > Hello, I'm using iw 5.16 with Yocto kirkstone 4.0.13, kernel 6.1.55 on > SAM9G25 cpu. > > When I execute `iw wlan0 scan` kernel report many Alignment traps, looks like: > Alignment trap: iw (6376) PC=0x00461ff8 Instr=0xe1f720b2 > Address=0x0048e771 FSR 0x001 > Alignment trap: iw (6376) PC=0x00461ff8 Instr=0xe1f720b2 > Address=0x0048e773 FSR 0x001 > Alignment trap: iw (6376) PC=0x004631c8 Instr=0xe1d420b0 > Address=0x0048e771 FSR 0x001 > Alignment trap: iw (6376) PC=0x00463190 Instr=0xe1d420b0 > Address=0x0048e771 FSR 0x001 > Is that kind of thing not fixed up there? Does it even matter? But I guess if we want to fix it, we'd really want something like get_unaligned_le*() like in the kernel, not manually memcpy() in all the code. johannes