From: "Richard W.M. Jones" <rjones@redhat.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Chengming Zhou <chengming.zhou@linux.dev>,
Nhat Pham <nphamcs@gmail.com>,
Christian Heusel <christian@heusel.eu>,
Seth Jennings <sjenning@redhat.com>,
Dan Streetman <ddstreet@ieee.org>,
Vitaly Wool <vitaly.wool@konsulko.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
David Runge <dave@sleepmap.de>, Mark W <instruform@gmail.com>,
regressions@lists.linux.dev, Yosry Ahmed <yosryahmed@google.com>
Subject: Re: [REGRESSION] Null pointer dereference while shrinking zswap
Date: Wed, 17 Apr 2024 16:08:10 +0100 [thread overview]
Message-ID: <20240417150810.GA7636@redhat.com> (raw)
In-Reply-To: <20240417143324.GA1055428@cmpxchg.org>
On Wed, Apr 17, 2024 at 10:33:24AM -0400, Johannes Weiner wrote:
> I could reproduce the NULL crash locally with cgroup_disable=memory,
> the shrinker enabled, and echo 3 >/proc/sys/vm/drop_caches.
Can confirm that libguestfs uses cgroup_disable=memory for its
appliance (as it saves some RAM and we don't need cgroups).
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-builder quickly builds VMs from scratch
http://libguestfs.org/virt-builder.1.html
next prev parent reply other threads:[~2024-04-17 15:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-16 12:19 [REGRESSION] Null pointer dereference while shrinking zswap Christian Heusel
2024-04-16 19:18 ` Andrew Morton
2024-04-16 19:57 ` Christian Heusel
2024-04-16 22:14 ` Nhat Pham
2024-04-16 22:29 ` Christian Heusel
2024-04-16 23:29 ` Nhat Pham
2024-04-17 0:22 ` Nhat Pham
2024-04-17 3:44 ` Chengming Zhou
2024-04-17 14:33 ` Johannes Weiner
2024-04-17 15:08 ` Richard W.M. Jones [this message]
2024-04-17 17:18 ` Christian Heusel
2024-04-18 12:40 ` Johannes Weiner
2024-04-18 14:25 ` Linux regression tracking (Thorsten Leemhuis)
2024-04-18 20:09 ` Yosry Ahmed
2024-04-19 14:22 ` Johannes Weiner
2024-04-19 19:10 ` Yosry Ahmed
2024-04-17 0:33 ` Nhat Pham
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