Re: next/master boot bisection: next-20190215 on beaglebone-black

From: Mike Rapoport <rppt@linux.ibm.com>
To: Guenter Roeck <groeck@google.com>
Cc: Kees Cook <keescook@chromium.org>,
	kernelci@groups.io, Dan Williams <dan.j.williams@intel.com>,
	Guillaume Tucker <guillaume.tucker@collabora.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.com>, Mark Brown <broonie@kernel.org>,
	Tomeu Vizoso <tomeu.vizoso@collabora.com>,
	Matt Hart <matthew.hart@linaro.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Kevin Hilman <khilman@baylibre.com>,
	Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	Nicholas Piggin <npiggin@gmail.com>,
	Dominik Brodowski <linux@dominikbrodowski.net>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Adrian Reber <adrian@lisas.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Linux MM <linux-mm@kvack.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Richard Guy Briggs <rgb@redhat.com>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	info@kernelci.org
Subject: Re: next/master boot bisection: next-20190215 on beaglebone-black
Date: Thu, 11 Apr 2019 23:49:46 +0300	[thread overview]
Message-ID: <20190411204945.GA26085@rapoport-lnx> (raw)
In-Reply-To: <CABXOdTcXWf9iReoocaj9rZ7z17zt-62iPDuvQQSrQRtMeeZNiA@mail.gmail.com>

On Thu, Apr 11, 2019 at 01:08:15PM -0700, Guenter Roeck wrote:
> On Thu, Apr 11, 2019 at 10:35 AM Kees Cook <keescook@chromium.org> wrote:
> >
> > On Thu, Apr 11, 2019 at 9:42 AM Guenter Roeck <groeck@google.com> wrote:
> > >
> > > On Thu, Apr 11, 2019 at 9:19 AM Kees Cook <keescook@chromium.org> wrote:
> > > >
> > > > On Thu, Mar 7, 2019 at 7:43 AM Dan Williams <dan.j.williams@intel.com> wrote:
> > > > > I went ahead and acquired one of these boards to see if I can can
> > > > > debug this locally.
> > > >
> > > > Hi! Any progress on this? Might it be possible to unblock this series
> > > > for v5.2 by adding a temporary "not on ARM" flag?
> > > >
> > >
> > > Can someone send me a pointer to the series in question ? I would like
> > > to run it through my testbed.
> >
> > It's already in -mm and linux-next (",mm: shuffle initial free memory
> > to improve memory-side-cache utilization") but it gets enabled with
> > CONFIG_SHUFFLE_PAGE_ALLOCATOR=y (which was made the default briefly in
> > -mm which triggered problems on ARM as was reverted).
> >
> 
> Boot tests report
> 
> Qemu test results:
>     total: 345 pass: 345 fail: 0
> 
> This is on top of next-20190410 with CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
> and the known crashes fixed.
> 
> $ git log --oneline next-20190410..
> 3367c36ce744 Set SHUFFLE_PAGE_ALLOCATOR=y for testing.
> d2aee8b3cd5d Revert "crypto: scompress - Use per-CPU struct instead
> multiple variables"
> 4bc9f5bc9a84 Fix: rhashtable: use bit_spin_locks to protect hash bucket.
> 
> Boot tests on arm are:
> 
> Building arm:versatilepb:versatile_defconfig:aeabi:pci:scsi:mem128:versatile-pb:rootfs
> ... running ........ passed
> Building arm:versatilepb:versatile_defconfig:aeabi:pci:mem128:versatile-pb:initrd
> ... running ........ passed

...

> Building arm:witherspoon-bmc:aspeed_g5_defconfig:notests:aspeed-bmc-opp-witherspoon:initrd
> ... running ........... passed
> Building arm:ast2500-evb:aspeed_g5_defconfig:notests:aspeed-ast2500-evb:initrd
> ... running ................ passed
> Building arm:romulus-bmc:aspeed_g5_defconfig:notests:aspeed-bmc-opp-romulus:initrd
> ... running ......................... passed
> Building arm:mps2-an385:mps2_defconfig:mps2-an385:initrd ... running
> ...... passed

The issue was with an omap2 board and, AFAIK, qemu does not simulate those.

-- 
Sincerely yours,
Mike.