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From: Wang Yugui <wangyugui@e16-tech.com>
To: linux-mm@kvack.org
Cc: wangyugui@e16-tech.com
Subject: kernel BUG at mm/huge_memory.c:2736(linux 5.10.29)
Date: Mon, 12 Apr 2021 18:07:00 +0800	[thread overview]
Message-ID: <20210412180659.B9E3.409509F4@e16-tech.com> (raw)

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Hi,

kernel BUG at mm/huge_memory.c:2736(linux 5.10.29) is triggered
by some files write test.

mm/huge_memory.c:
        if (IS_ENABLED(CONFIG_DEBUG_VM) && mapcount) {
            pr_alert("total_mapcount: %u, page_count(): %u\n",
                    mapcount, count);
            if (PageTail(page))
                dump_page(head, NULL);
            dump_page(page, "total_mapcount(head) > 0");
L2736:           BUG();
        }

kernel version:5.10.29

kernel BUG at mm/huge_memory.c:2736
invalid opcode: 0000 [#1] SMP NOPTI
CPU:9 pid:351 Comm: kswapd0 Tainted: G S
RIP: 0010:split_huge_page_to_list.cold.86+0x19/8x1b
...
Call Trace:
? shrink_inactive_list+0x241/0x3d0
deferred_split_scan+0x1ca/0x320
do_shrink_slab+0x20f/0x2c0
shrink_node+0x24b/0x6d0
balanced_pgdat+0x2db/0x550
kswaped+0x201/0x390
? finish_wait+0x80/0x80
? balance_pgdat+0x550/0x550
kthread+0x116/0x130
? ktrhead_park+0x80/0x80
ret_from_fork+0x1f/0x30

see OOPS.jpg for more info.

Best Regards
Wang Yugui (wangyugui@e16-tech.com)
2021/04/12


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             reply	other threads:[~2021-04-12 10:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-12 10:07 Wang Yugui [this message]
2021-04-12 20:18 ` Yang Shi
2021-04-13 11:30   ` Wang Yugui
2021-04-15 11:18     ` Wang Yugui
2021-04-15 16:26       ` Yang Shi
2021-04-17  8:33   ` Wang Yugui
2021-04-22  0:11     ` Yang Shi
2021-04-23  2:16       ` Wang Yugui
2021-04-23  8:07         ` Wang Yugui
2021-04-23 21:05           ` Yang Shi
2021-04-24  5:28             ` Wang Yugui
2021-04-26 22:56               ` Yang Shi
2021-04-28 21:55                 ` Wang Yugui

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