linux-kernel - Regression on ARMs in next-20170531

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Message-ID: <20170531164544.GF3730@atomide.com>
Date:   Wed, 31 May 2017 09:45:45 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Josef Bacik <josef@...icpanda.com>, Michal Hocko <mhocko@...e.com>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Rik van Riel <riel@...hat.com>,
        Mark Brown <broonie@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org
Subject: Regression on ARMs in next-20170531

Hi,

Looks like current Linux next won't boot on most ARMs
and git bisect points to commit b6bc6724488a ("mm: vmstat:
move slab statistics from zone to node counters").

Mark Brown noticed that the so far the only booting
ARMs are all with CONFIG_SMP disabled and I just
confirmed that's the case.

Any ideas?

Regards,

Tony

8< --------------------
Unable to handle kernel paging request at virtual address 2e116007
pgd = c0004000
[2e116007] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 4.12.0-rc3-00153-gb6bc6724488a #200
Hardware name: Generic DRA74X (Flattened Device Tree)
task: c0d0adc0 task.stack: c0d00000
PC is at __mod_node_page_state+0x2c/0xc8
LR is at __per_cpu_offset+0x0/0x8
pc : [<c0271de8>]    lr : [<c0d07da4>]    psr: 600000d3
sp : c0d01eec  ip : 00000000  fp : c15782f4
r10: 00000000  r9 : c1591280  r8 : 00004000
r7 : 00000001  r6 : 00000006  r5 : 2e116000  r4 : 00000007
r3 : 00000007  r2 : 00000001  r1 : 00000006  r0 : c0dc27c0
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment none
Control: 10c5387d  Table: 8000406a  DAC: 00000051
Process swapper (pid: 0, stack limit = 0xc0d00218)
Stack: (0xc0d01eec to 0xc0d02000)
1ee0:                            600000d3 c0dc27c0 c0271efc 00000001 c0d58864
1f00: ef470000 00008000 00004000 c029fbb0 01000000 c1572b5c 00002000 00000000
1f20: 00000001 00000001 00008000 c029f584 00000000 c0d58864 00008000 00008000
1f40: 01008000 c0c23790 c15782f4 a00000d3 c0d58864 c02a0364 00000000 c0819388
1f60: c0d58864 000000c0 01000000 c1572a58 c0aa57a4 00000080 00002000 c0dca000
1f80: efffe980 c0c53a48 00000000 c0c23790 c1572a58 c0c59e48 c0c59de8 c1572b5c
1fa0: c0dca000 c0c257a4 00000000 ffffffff c0dca000 c0d07940 c0dca000 c0c00a9c
1fc0: ffffffff ffffffff 00000000 c0c00680 00000000 c0c53a48 c0dca214 c0d07958
1fe0: c0c53a44 c0d0caa4 8000406a 412fc0f2 00000000 8000807c 00000000 00000000
[<c0271de8>] (__mod_node_page_state) from [<c0271efc>] (mod_node_page_state+0x2c/0x4c)
[<c0271efc>] (mod_node_page_state) from [<c029fbb0>] (cache_alloc_refill+0x5b8/0x828)
[<c029fbb0>] (cache_alloc_refill) from [<c02a0364>] (kmem_cache_alloc+0x24c/0x2d0)
[<c02a0364>] (kmem_cache_alloc) from [<c0c23790>] (create_kmalloc_cache+0x20/0x8c)
[<c0c23790>] (create_kmalloc_cache) from [<c0c257a4>] (kmem_cache_init+0xac/0x11c)
[<c0c257a4>] (kmem_cache_init) from [<c0c00a9c>] (start_kernel+0x1b8/0x3c0)
[<c0c00a9c>] (start_kernel) from [<8000807c>] (0x8000807c)
Code: e79e5103 e28c3001 e0833001 e1a04003 (e19440d5)
---[ end trace 0000000000000000 ]---