From: Qian Cai <cai@lca.pw>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>,
Michal Hocko <mhocko@kernel.org>,
David Hildenbrand <david@redhat.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>, Baoquan He <bhe@redhat.com>
Subject: Re: compaction: VM_BUG_ON_PAGE(!zone_spans_pfn(page_zone(page), pfn))
Date: Mon, 27 Apr 2020 09:45:31 -0400 [thread overview]
Message-ID: <AFCC92A8-8D2F-4A52-9656-7627904D0AFE@lca.pw> (raw)
In-Reply-To: <20200426144139.GA340887@linux.ibm.com>
> On Apr 26, 2020, at 10:41 AM, Mike Rapoport <rppt@linux.ibm.com> wrote:
>
> Hi,
>
> On Thu, Apr 23, 2020 at 05:25:56PM -0400, Qian Cai wrote:
>> Compaction starts to crash below on linux-next today. The faulty page belongs to Node 0 DMA32 zone.
>> I’ll continue to narrow it down, but just want to give a headup in case someone could beat me to it.
>>
>> Debug output from free_area_init_core()
>> [ 0.000000] KK start page = ffffea0000000040, end page = ffffea0000040000, nid = 0 DMA
>> [ 0.000000] KK start page = ffffea0000040000, end page = ffffea0004000000, nid = 0 DMA32
>> [ 0.000000] KK start page = ffffea0004000000, end page = ffffea0012000000, nid = 0 NORMAL
>> [ 0.000000] KK start page = ffffea0012000000, end page = ffffea0021fc0000, nid = 4 NORMAL
>>
>> I don’t understand how it could end up in such a situation. There are several recent patches look
>> more related than some others.
>
> Can you please add "mminit_loglevel=4 memblock=debug" to the kernel
> command line?
https://cailca.github.io/files/dmesg.txt
next prev parent reply other threads:[~2020-04-27 13:45 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-23 21:25 compaction: VM_BUG_ON_PAGE(!zone_spans_pfn(page_zone(page), pfn)) Qian Cai
2020-04-24 3:43 ` Baoquan He
2020-04-24 13:45 ` Qian Cai
2020-05-05 12:43 ` Baoquan He
2020-05-05 13:20 ` Qian Cai
2020-05-11 1:21 ` Baoquan He
2020-04-26 14:41 ` Mike Rapoport
2020-04-27 13:45 ` Qian Cai [this message]
2020-11-21 19:45 ` [PATCH 0/1] VM_BUG_ON_PAGE(!zone_spans_pfn) in set_pfnblock_flags_mask Andrea Arcangeli
2020-11-21 19:45 ` [PATCH 1/1] mm: compaction: avoid fast_isolate_around() to set pageblock_skip on reserved pages Andrea Arcangeli
2020-11-21 19:53 ` Andrea Arcangeli
2020-11-23 11:26 ` David Hildenbrand
2020-11-23 13:01 ` Vlastimil Babka
2020-11-24 13:32 ` Mel Gorman
2020-11-24 20:56 ` Andrea Arcangeli
2020-11-25 10:30 ` Mel Gorman
2020-11-25 17:59 ` Andrea Arcangeli
2020-11-26 10:47 ` Mel Gorman
2020-12-06 2:26 ` Andrea Arcangeli
2020-12-06 23:47 ` Mel Gorman
2020-11-25 5:34 ` Andrea Arcangeli
2020-11-25 6:45 ` David Hildenbrand
2020-11-25 8:51 ` Mike Rapoport
2020-11-25 10:39 ` Mel Gorman
2020-11-25 11:04 ` David Hildenbrand
2020-11-25 11:41 ` David Hildenbrand
2020-11-25 18:47 ` Andrea Arcangeli
2020-11-25 13:33 ` Mel Gorman
2020-11-25 13:41 ` David Hildenbrand
2020-11-25 18:28 ` Andrea Arcangeli
2020-11-25 19:27 ` David Hildenbrand
2020-11-25 20:41 ` Andrea Arcangeli
2020-11-25 21:13 ` David Hildenbrand
2020-11-25 21:04 ` Mike Rapoport
2020-11-25 21:38 ` Andrea Arcangeli
2020-11-26 9:36 ` Mike Rapoport
2020-11-26 10:05 ` David Hildenbrand
2020-11-26 17:46 ` Mike Rapoport
2020-11-29 12:32 ` Mike Rapoport
2020-12-02 0:44 ` Andrea Arcangeli
2020-12-02 17:39 ` Mike Rapoport
2020-12-03 6:23 ` Andrea Arcangeli
2020-12-03 10:51 ` Mike Rapoport
2020-12-03 17:31 ` Andrea Arcangeli
2020-12-06 8:09 ` Mike Rapoport
2020-11-26 18:15 ` Andrea Arcangeli
2020-11-26 18:29 ` Andrea Arcangeli
2020-11-26 19:44 ` Mike Rapoport
2020-11-26 20:30 ` Andrea Arcangeli
2020-11-26 21:03 ` Mike Rapoport
2020-11-26 19:21 ` Andrea Arcangeli
2020-11-25 12:08 ` Vlastimil Babka
2020-11-25 13:32 ` David Hildenbrand
2020-11-25 14:13 ` Mike Rapoport
2020-11-25 14:42 ` David Hildenbrand
2020-11-26 10:51 ` Mel Gorman
2020-11-25 19:14 ` Andrea Arcangeli
2020-11-25 19:01 ` Andrea Arcangeli
2020-11-25 19:33 ` David Hildenbrand
2020-11-26 3:40 ` Andrea Arcangeli
2020-11-26 10:43 ` Mike Rapoport
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