linux-kernel - Re: [PATCH v3 0/5] HWpoison: further fixes and cleanups

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Message-ID: <20200916144603.GC17169@cathedrallabs.org>
Date:   Wed, 16 Sep 2020 10:46:03 -0400
From:   Aristeu Rozanski <aris@...vo.org>
To:     Oscar Salvador <osalvador@...e.de>
Cc:     naoya.horiguchi@....com, akpm@...ux-foundation.org,
        mhocko@...nel.org, tony.luck@...el.com, cai@....pw,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v3 0/5] HWpoison: further fixes and cleanups

Hi Oscar,

On Wed, Sep 16, 2020 at 04:09:30PM +0200, Oscar Salvador wrote:
> On Wed, Sep 16, 2020 at 09:53:58AM -0400, Aristeu Rozanski wrote:
> Can you try the other patch I posted in response to Naoya?

Same thing:

[  369.195056] Soft offlining pfn 0x3fb5bf at process virtual address 0x7ffc84350000
[  369.195073] page:000000002bb131e4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x7ffc8435 pfn:0x3fb5bf
[  369.195080] anon flags: 0x3ffff80008000e(referenced|uptodate|dirty|swapbacked)
[  369.202131] raw: 003ffff80008000e 5deadbeef0000100 5deadbeef0000122 c000003fda1c7431
[  369.202137] raw: 000000007ffc8435 0000000000000000 00000001ffffffff c000003fd63af000
[  369.202141] page dumped because: page_handle_poison
[  369.202145] page->mem_cgroup:c000003fd63af000
[  369.215055] page_handle_poison: hugepage_or_freepage failed�n
[  369.215057] __soft_offline_page: page_handle_poison -EBUSY
[  369.215068] page:000000002bb131e4 refcount:3 mapcount:0 mapping:00000000f6ca3f32 index:0x5c pfn:0x3fb5bf
[  369.215110] aops:xfs_address_space_operations [xfs] ino:49f9c5f dentry name:"messages"
[  369.215117] flags: 0x3ffff800002008(dirty|private)
[  369.215121] raw: 003ffff800002008 5deadbeef0000100 5deadbeef0000122 c000003fadd3daa8
[  369.215127] raw: 000000000000005c c000003fd9497c20 00000003ffffffff c000003fd1143000
[  369.215132] page dumped because: __soft_offline_page after migrate
[  369.215136] page->mem_cgroup:c000003fd1143000

-- 
Aristeu