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Date: Tue, 02 Apr 2019 10:33:49 +0000
From: bugzilla-daemon@...zilla.kernel.org
To: linux-ext4@...r.kernel.org
Subject: [Bug 203107] Bad page map in process during boot
https://bugzilla.kernel.org/show_bug.cgi?id=203107
--- Comment #1 from Jan Kara (jack@...e.cz) ---
Switching to email...
On Fri 29-03-19 20:46:22, bugzilla-daemon@...zilla.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@...nel-bugs.osdl.org
> Reporter: echto1@...il.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.
Honza
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