From: yalin wang <yalin.wang2010@gmail.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Minchan Kim <minchan@kernel.org>, Hugh Dickins <hughd@google.com>,
Sasha Levin <sasha.levin@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
"open list:MEMORY MANAGEMENT" <linux-mm@kvack.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
Vlastimil Babka <vbabka@suse.cz>
Subject: Re: kernel oops on mmotm-2015-10-15-15-20
Date: Thu, 19 Nov 2015 18:10:37 +0800 [thread overview]
Message-ID: <AA499405-278E-430F-80E0-E19877FBCA87@gmail.com> (raw)
In-Reply-To: <20151119065827.GA26601@node.shutemov.name>
> On Nov 19, 2015, at 14:58, Kirill A. Shutemov <kirill@shutemov.name> wrote:
>
> uncharged
i also encounter this crash ,
also i encounter a crash like this in qemu:
[ 2.703436] [<ffffffc0001d4d2c>] do_execveat_common.isra.36+0x4f0/0x630
[ 2.703624] [<ffffffc0001d4e90>] do_execve+0x24/0x30
[ 2.703767] [<ffffffc0001d50e0>] SyS_execve+0x1c/0x2c
[ 2.703923] BUG: Bad page map in process init pte:6000004837ebd3 pmd:b29e7003
[ 2.704140] page:ffffffc07f00af80 count:2 mapcount:-1 mapping: (null) index:0x1
[ 2.704414] flags: 0x400000000014(referenced|dirty)
[ 2.704563] page dumped because: bad pte
[ 2.704666] addr:0000007fafb7e000 vm_flags:00100073 anon_vma:ffffffc0729bdb90 mapping: (null) index:7fafb7e
[ 2.704906] file: (null) fault: (null) mmap: (null) readpage: (null)
[ 2.705117] CPU: 0 PID: 84 Comm: init Tainted: G B 4.2.0ajb-00005-g11a9bf3 #80
[ 2.705315] Hardware name: ranchu (DT)
[ 2.705408] Call trace:
[ 2.705488] [<ffffffc000089ea0>] dump_backtrace+0x0/0x124
[ 2.705657] [<ffffffc000089fd4>] show_stack+0x10/0x1c
[ 2.705797] [<ffffffc0005f1df0>] dump_stack+0x78/0x98
[ 2.705971] [<ffffffc00018a8d4>] print_bad_pte+0x154/0x1f0
[ 2.706102] [<ffffffc00018c5f4>] unmap_single_vma+0x574/0x704
[ 2.706236] [<ffffffc00018d0a4>] unmap_vmas+0x54/0x70
[ 2.706354] [<ffffffc000195e70>] exit_mmap+0x88/0xfc
[ 2.706473] [<ffffffc000097af4>] mmput+0x48/0xe8
[ 2.706584] [<ffffffc0001d3b64>] flush_old_exec+0x30c/0x79c
[ 2.706719] [<ffffffc000225fa4>] load_elf_binary+0x21c/0x1098
[ 2.706856] [<ffffffc0001d4330>] search_binary_handler+0xa8/0x224
[ 2.706995] [<ffffffc0001d4d2c>] do_execveat_common.isra.36+0x4f0/0x630
[ 2.707144] [<ffffffc0001d4e90>] do_execve+0x24/0x30
[ 2.707263] [<ffffffc0001d50e0>] SyS_execve+0x1c/0x2c
[ 2.707392] BUG: Bad page map in process init pte:6000004837fbd3 pmd:b29e7003
[ 2.707752] page:ffffffc07f00afc0 count:2 mapcount:-1 mapping: (null) index:0x1
[ 2.708167] flags: 0x400000000014(referenced|dirty)
[ 2.708333] page dumped because: bad pte
[ 2.708501] addr:0000007fafb7f000 vm_flags:00100073 anon_vma:ffffffc0729bdb90 mapping: (null) index:7fafb7f
[ 2.709084] file: (null) fault: (null) mmap: (null) readpage: (null)
[ 2.709306] CPU: 0 PID: 84 Comm: init Tainted: G B 4.2.0ajb-00005-g11a9bf3 #80
[ 2.709494] Hardware name: ranchu (DT)
seems the page map count is not correct ..
i build is based on mmotm-2015-10-21-14-41
Thanks
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next prev parent reply other threads:[~2015-11-19 10:10 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-21 5:28 Minchan Kim
2015-10-21 11:07 ` Kirill A. Shutemov
2015-10-22 0:06 ` Minchan Kim
2015-10-22 0:59 ` Hugh Dickins
2015-10-22 1:21 ` Minchan Kim
2015-10-22 9:00 ` Minchan Kim
2015-10-29 0:25 ` Kirill A. Shutemov
2015-10-29 7:58 ` Minchan Kim
2015-10-29 9:43 ` Kirill A. Shutemov
2015-10-29 9:52 ` Kirill A. Shutemov
2015-10-30 7:03 ` Minchan Kim
2015-11-02 12:57 ` Kirill A. Shutemov
2015-11-03 3:02 ` Minchan Kim
2015-11-03 7:16 ` Kirill A. Shutemov
2015-11-03 7:33 ` Minchan Kim
2015-11-03 15:20 ` Minchan Kim
2015-11-04 14:21 ` Kirill A. Shutemov
2015-11-05 0:19 ` Minchan Kim
2015-11-08 22:55 ` Kirill A. Shutemov
2015-11-12 0:36 ` Minchan Kim
2015-11-16 1:45 ` Minchan Kim
2015-11-16 8:45 ` Kirill A. Shutemov
2015-11-16 10:32 ` Minchan Kim
2015-11-16 10:54 ` Kirill A. Shutemov
2015-11-17 7:35 ` Minchan Kim
2015-11-17 9:32 ` Kirill A. Shutemov
2015-11-19 2:12 ` Minchan Kim
2015-11-19 6:58 ` Kirill A. Shutemov
2015-11-19 10:10 ` yalin wang [this message]
2015-11-25 7:21 ` Minchan Kim
2015-10-22 2:15 ` Hugh Dickins
2015-10-22 4:25 ` Hugh Dickins
2015-10-22 22:26 ` Hugh Dickins
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