Re: kern/50038: udl (DisplayLink GX-DVI_U2B) alignment fault on earmv6hf NETWALKER

[Martin Husemann <martin%duskware.de@localhost>]

On Thu, Nov 10, 2016 at 11:46:41PM +0900, MOCHIDA Shuji wrote:
> Replace be32enc(), be16enc() to use !(GCC >= 2.95) version, then the device
> works good.
> Something wrong with __builtin_memcpy()? or compiler optimization?

I don't see what is wrong with the source - sc->sc_cmd_buf is a uint8_t*
passed directly as void* to the inline function, no bogus casts involved,
so the compiler can not assume proper alignment.

Maybe I am missing something, or it is a compiler bug.

Martin