Re: NFS/TCP crashes on MIPS/RBTX4927 in v4.20-rcX (bisected)

[Geert Uytterhoeven]

Hi Nemoto-san,

On Fri, Dec 7, 2018 at 3:51 PM Atsushi Nemoto <anemo@xxxxxxxxxxxxx> wrote:
> On Wed, 5 Dec 2018 14:41:30 +0100, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> > My next guess is an unaligned access not using {get,put}_unaligned(), which
> > doesn't seem to work on tx4927, but doesn't cause an exception neither.
>
> IIRC, TX49 can raise an exception on unaligned access.

I thought so, too, but had verified that reading from an unaligned address
didn't raise an exception, but returned a corrupt value instead.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds