Re: [sparc64] stall on CPU with current git master

From: Anatoly Pugachev
Date: Sat Feb 01 2020 - 06:58:07 EST


On Fri, Jan 31, 2020 at 7:40 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Fri, Jan 31, 2020 at 4:07 PM Anatoly Pugachev <matorola@xxxxxxxxx> wrote:
> >
> > $ git desc 251ec1c159e4874fbede0c3c586e317e177c0c9b
> > v5.5-rc1-19-g251ec1c159e4
> >
> > kernel 5.5.0-rc1-00018-g4f9fbd893fe8 - works perfectly (i.e. does not
> > hang or produce "stall on CPU" )
> >
> > current master with the patch reverted -
> > 5.5.0-07763-gccaaaf6fe5a5-dirty - works perfectly
> >
> > current master 5.5.0-07763-gccaaaf6fe5a5 - stalls, hangs
> >
> >
> > Can someone look what is wrong with it and/or probably revert it ?!
> > Thanks.
>
> Thanks for the report, I think I found the problem! Can you try this patch?

Arnd,

this patch fixed issue for me. Thanks.