From: Tony Lindgren <tony@atomide.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Josef Bacik <josef@toxicpanda.com>,
Michal Hocko <mhocko@suse.com>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Rik van Riel <riel@redhat.com>, Mark Brown <broonie@kernel.org>,
linux-kernel@vger.kernel.org,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: Regression on ARMs in next-20170531
Date: Tue, 6 Jun 2017 21:38:46 -0700 [thread overview]
Message-ID: <20170607043845.GC3730@atomide.com> (raw)
In-Reply-To: <20170606080327.2c6956462e3e3079d6769dad@linux-foundation.org>
* Andrew Morton <akpm@linux-foundation.org> [170606 08:07]:
> On Tue, 6 Jun 2017 10:36:48 -0400 Johannes Weiner <hannes@cmpxchg.org> wrote:
>
> > On Tue, Jun 06, 2017 at 05:30:10AM -0700, Tony Lindgren wrote:
> > > PC is at __mod_node_page_state+0x2c/0xc8
> > > LR is at __per_cpu_offset+0x0/0x8
> > > pc : [<c0280078>] lr : [<c0d07d6c>] psr: 200001d3
> > > sp : c0d01eec ip : 00000000 fp : 00000001
> > > r10: c0c7cf68 r9 : 00008000 r8 : 00000000
> > > r7 : 00000001 r6 : 00000006 r5 : 2ea2d000 r4 : 00000007
> > > r3 : 00000007 r2 : 00000001 r1 : 00000006 r0 : c0dc1fc0
> > > Flags: nzCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment none
> > > Control: 10c5387d Table: 8000404a DAC: 00000051
> > > Process swapper (pid: 0, stack limit = 0xc0d00218)
> > > Stack: (0xc0d01eec to 0xc0d02000)
> > > 1ee0: 400001d3 c0dc1fc0 c028018c 00000001 c1599440
> > > 1f00: c0d58834 efd83000 00000000 c02af214 01000000 c157a890 00002000 00008000
> > > 1f20: 00000001 00000001 00008000 c02aeb4c 00000000 00008000 c0d58834 00008000
> > > 1f40: 01008000 c0c23a88 c0d58834 c1580034 400001d3 c02afa9c 00000000 c086b230
> > > 1f60: c0d58834 000000c0 01000000 c157a78c c0abe0fc 00000080 00002000 c0dd4000
> > > 1f80: efffec40 c0c55a48 00000000 c0c23a88 c157a78c c0c5be48 c0c5bde8 c157a890
> > > 1fa0: c0dd4000 c0c25a9c 00000000 ffffffff c0dd4000 c0d07940 c0dd4000 c0c00abc
> > > 1fc0: ffffffff ffffffff 00000000 c0c006a0 00000000 c0c55a48 c0dd4214 c0d07958
> > > 1fe0: c0c55a44 c0d0cae4 8000406a 411fc093 00000000 8000807c 00000000 00000000
> > > [<c0280078>] (__mod_node_page_state) from [<c028018c>] (mod_node_page_state+0x2c/0x4c)
> > > [<c028018c>] (mod_node_page_state) from [<c02af214>] (cache_alloc_refill+0x654/0x898)
> > > [<c02af214>] (cache_alloc_refill) from [<c02afa9c>] (kmem_cache_alloc+0x2d4/0x364)
> > > [<c02afa9c>] (kmem_cache_alloc) from [<c0c23a88>] (create_kmalloc_cache+0x20/0x8c)
> > > [<c0c23a88>] (create_kmalloc_cache) from [<c0c25a9c>] (kmem_cache_init+0xac/0x11c)
> > > [<c0c25a9c>] (kmem_cache_init) from [<c0c00abc>] (start_kernel+0x1b8/0x3d8)
> >
> > That's the one Russell analyzed and I misinterpreted. We put a fix
> > into -next to initialize pgdat->per_cpu_nodestats in time for slab
> > initialization during boot.
OK
> > Is today's -next working again?
Yes just tested that next-20170606 is working again thanks!
> I'll be even less than usually functional for the next week, so please
> cc Stephen on any -next hotfixes.
OK good to know if new issues show up.
Regards,
Tony
prev parent reply other threads:[~2017-06-07 4:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 16:45 Regression on ARMs in next-20170531 Tony Lindgren
2017-05-31 17:43 ` Russell King - ARM Linux
2017-05-31 18:00 ` Tony Lindgren
2017-06-04 11:32 ` Johannes Weiner
2017-06-06 5:55 ` Tony Lindgren
2017-06-06 12:30 ` Tony Lindgren
2017-06-06 14:36 ` Johannes Weiner
2017-06-06 15:03 ` Andrew Morton
2017-06-07 4:38 ` Tony Lindgren [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170607043845.GC3730@atomide.com \
--to=tony@atomide.com \
--cc=akpm@linux-foundation.org \
--cc=broonie@kernel.org \
--cc=hannes@cmpxchg.org \
--cc=josef@toxicpanda.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=mhocko@suse.com \
--cc=riel@redhat.com \
--cc=sfr@canb.auug.org.au \
--cc=vdavydov.dev@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).