From: Vitaly Wool <vitalywool@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Seth Jennings <sjenning@redhat.com>,
Dan Streetman <ddstreet@ieee.org>,
bugzilla-daemon@bugzilla.kernel.org,
Linux-MM <linux-mm@kvack.org>,
jagannathante@gmail.com
Subject: Re: [Bug 201603] New: NULL pointer dereference when using z3fold and zswap
Date: Tue, 6 Nov 2018 23:10:28 +0100 [thread overview]
Message-ID: <CAMJBoFOw1J3PYxTL7GBXmVW+tNBjdcGU+4FBh+vdf7aY0sv1ZA@mail.gmail.com> (raw)
In-Reply-To: <20181106134837.014c0bf61eb959e27f5edd0c@linux-foundation.org>
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Hi,
Den tis 6 nov. 2018 kl 22:48 skrev Andrew Morton <akpm@linux-foundation.org
>:
>
> (switched to email. Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
>
> On Fri, 02 Nov 2018 10:41:46 +0000 bugzilla-daemon@bugzilla.kernel.org
> wrote:
>
> > https://bugzilla.kernel.org/show_bug.cgi?id=201603
> >
> > Bug ID: 201603
> > Summary: NULL pointer dereference when using z3fold and zswap
> > Product: Memory Management
> > Version: 2.5
> > Kernel Version: 4.18.16
> > Hardware: All
> > OS: Linux
> > Tree: Mainline
> > Status: NEW
> > Severity: high
> > Priority: P1
> > Component: Page Allocator
> > Assignee: akpm@linux-foundation.org
> > Reporter: jagannathante@gmail.com
> > Regression: No
> >
> > Created attachment 279297
> > --> https://bugzilla.kernel.org/attachment.cgi?id=279297&action=edit
> > dmesg log of crash
>
>
Basing on what I see in dmesg, it is highly likely to get fixed by
https://lkml.org/lkml/2018/11/5/726. Could you please apply/retest?
Best regards,
Vitaly
> > This happens mostly during memory pressure but I am not sure how to
> trigger it
> > reliably. I am attaching the full log.
> >
> > This is the kernel commandline
> >
> > >BOOT_IMAGE=../vmlinuz-linux
> root=UUID=57274b3a-92ab-468e-b03a-06026675c1af rw
> > >rd.luks.name=92b4aeb2-fb97-45c1-8a60-2816efe5d57e=home
> resume=/dev/mapper/home
> > >resume_offset=42772480 acpi_backlight=video zswap.enabled=1
> zswap.zpool=z3fold
> > >zswap.max_pool_percent=5 transparent_hugepage=madvise
> scsi_mod.use_blk_mq=1
> > >vga=current initrd=../intel-ucode.img,../initramfs-linux.img
> >
> > I found this bug https://bugzilla.kernel.org/show_bug.cgi?id=198585 to
> be very
> > similar but the proposed fix has not been merged so I can't be sure if
> it will
> > fix the issue I am having.
> >
> > --
> > You are receiving this mail because:
> > You are the assignee for the bug.
>
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prev parent reply other threads:[~2018-11-06 22:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-201603-27@https.bugzilla.kernel.org/>
2018-11-06 21:48 ` Andrew Morton
2018-11-06 22:10 ` Vitaly Wool [this message]
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