From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 203107] Bad page map in process during boot
Date: Thu, 04 Apr 2019 13:08:46 +0000 [thread overview]
Message-ID: <bug-203107-13602-4X4skzKIOA@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-203107-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=203107
--- Comment #3 from Kirill A. Shutemov (kirill@shutemov.name) ---
On Tue, Apr 02, 2019 at 12:16:13PM +0200, Jan Kara wrote:
> Switching to email...
>
> On Fri 29-03-19 20:46:22, bugzilla-daemon@bugzilla.kernel.org wrote:
> > https://bugzilla.kernel.org/show_bug.cgi?id=203107
> >
> > Bug ID: 203107
> > Summary: Bad page map in process during boot
> > Product: File System
> > Version: 2.5
> > Kernel Version: 5.0.5
> > Hardware: All
> > OS: Linux
> > Tree: Mainline
> > Status: NEW
> > Severity: normal
> > Priority: P1
> > Component: ext4
> > Assignee: fs_ext4@kernel-bugs.osdl.org
> > Reporter: echto1@gmail.com
> > Regression: No
> >
> > Error occurs randomly at boot after upgrading kernel from 5.0.0 to 5.0.4.
> >
> > https://justpaste.it/387uf
>
> I don't think this is an ext4 error. Sure this is an error in file mapping
> of libblkid.so.1.1.0 (which is handled by ext4) but the filesystem has very
> little to say wrt how or which PTEs are installed. And the problem is that
> invalid PTE (dead000000000100) is present in page tables. So this looks
> more like a problem in MM itself. Adding MM guys to CC.
0xdead000000000100 and 0xdead000000000200 are LIST_POISON1 and
LIST_POISON2 repectively. Have no idea how would they end up in page table.
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next prev parent reply other threads:[~2019-04-04 13:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-29 20:46 [Bug 203107] New: Bad page map in process during boot bugzilla-daemon
2019-04-02 10:16 ` Jan Kara
2019-04-04 13:08 ` Kirill A. Shutemov
2019-04-04 14:10 ` Vlastimil Babka
2019-04-02 10:33 ` [Bug 203107] " bugzilla-daemon
2019-04-02 13:00 ` bugzilla-daemon
2019-04-04 13:08 ` bugzilla-daemon [this message]
2019-04-04 14:23 ` bugzilla-daemon
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