linux-ext4 - [Bug 201631] WARNING: CPU: 11 PID: 29593 at fs/ext4/inode.c:3927 .ext4_set_page

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Message-ID: <bug-201631-13602-qgBDFO48LX@https.bugzilla.kernel.org/>
Date:   Tue, 29 Jan 2019 12:13:13 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 201631] WARNING: CPU: 11 PID: 29593 at fs/ext4/inode.c:3927
 .ext4_set_page_dirty+0x70/0xb0

https://bugzilla.kernel.org/show_bug.cgi?id=201631

--- Comment #56 from erhard_f@...lbox.org ---
(In reply to Jan Kara from comment #55)
> Created attachment 280841 [details]
> mm: Dump page and PTE state and some history (v5)
> 
> Erhard, please test with this debug patch. Thanks!

I would, but the patch does not apply against -rc4. ;)

/usr/src/linux-5.0-rc4 # patch -p1 < mm.patch 
patching file fs/ext4/file.c
patching file fs/ext4/inode.c
Hunk #3 succeeded at 3933 (offset 1 line).
Hunk #4 succeeded at 6327 (offset 26 lines).
patching file include/linux/buffer_head.h
patching file mm/memory.c
Hunk #2 succeeded at 1081 (offset -1 lines).
Hunk #6 succeeded at 3253 (offset 23 lines).
patching file mm/page_vma_mapped.c
patching file mm/rmap.c
Hunk #3 succeeded at 894 with fuzz 2.
Hunk #4 FAILED at 902.
Hunk #5 succeeded at 921 (offset 2 lines).
Hunk #6 succeeded at 979 (offset 2 lines).
1 out of 6 hunks FAILED -- saving rejects to file mm/rmap.c.rej

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