From: Andrew Morton <akpm@linux-foundation.org>
To: Vitaly Wool <vitalywool@gmail.com>,
Seth Jennings <sjenning@redhat.com>,
Dan Streetman <ddstreet@ieee.org>
Cc: bugzilla-daemon@bugzilla.kernel.org, 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 13:48:37 -0800 [thread overview]
Message-ID: <20181106134837.014c0bf61eb959e27f5edd0c@linux-foundation.org> (raw)
In-Reply-To: <bug-201603-27@https.bugzilla.kernel.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
>
> 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.
next parent reply other threads:[~2018-11-06 21:48 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 [this message]
2018-11-06 22:10 ` Vitaly Wool
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181106134837.014c0bf61eb959e27f5edd0c@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=bugzilla-daemon@bugzilla.kernel.org \
--cc=ddstreet@ieee.org \
--cc=jagannathante@gmail.com \
--cc=linux-mm@kvack.org \
--cc=sjenning@redhat.com \
--cc=vitalywool@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox