From: Shakeel Butt <shakeelb@google.com>
To: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux MM <linux-mm@kvack.org>,
bugzilla-daemon@bugzilla.kernel.org, vladi@aresgate.net,
Johannes Weiner <hannes@cmpxchg.org>,
Roman Gushchin <guroan@gmail.com>
Subject: Re: [Bug 210075] New: [Thu Nov 5 13:14:27 2020] WARNING: CPU: 4 PID: 133 at mm/page_counter.c:57 page_counter_uncharge+0x34/0x40
Date: Mon, 9 Nov 2020 09:39:35 -0800 [thread overview]
Message-ID: <CALvZod7NyFv_9fKnmGJkH-oJrZEWE5H_zdEyjzqRx4NMntP61Q@mail.gmail.com> (raw)
In-Reply-To: <20201109081611.GF12240@dhcp22.suse.cz>
On Mon, Nov 9, 2020 at 12:16 AM Michal Hocko <mhocko@suse.com> wrote:
>
> [Cc Roman and Shakeel]
>
> On Fri 06-11-20 21:13:00, Andrew Morton wrote:
> > (switched to email. Please respond via emailed reply-to-all, not via the
> > bugzilla web interface).
> >
> > On Thu, 05 Nov 2020 21:18:05 +0000 bugzilla-daemon@bugzilla.kernel.org wrote:
> >
> > > https://bugzilla.kernel.org/show_bug.cgi?id=210075
> > >
> > > Bug ID: 210075
> > > Summary: [Thu Nov 5 13:14:27 2020] WARNING: CPU: 4 PID: 133 at
> > > mm/page_counter.c:57 page_counter_uncharge+0x34/0x40
> > > Product: Memory Management
> > > Version: 2.5
> > > Kernel Version: 5.9.5
> > > Hardware: x86-64
> > > OS: Linux
> > > Tree: Mainline
> > > Status: NEW
> > > Severity: normal
> > > Priority: P1
> > > Component: Page Allocator
> > > Assignee: akpm@linux-foundation.org
> > > Reporter: vladi@aresgate.net
> > > Regression: No
> >
> > I'm assuming this is a bug in the networking code. I've seen a number
> > of possibly-related emails fly past - is it familiar to anyone?
>
> Looks similar to 8de15e920dc8 ("mm: memcg: link page counters to root if
> use_hierarchy is false"). The path is different so the underlying reason
> might be something else.
>
The commit 8de15e920dc8 is not in 5.9.5.
Is the issue reproducible and bisectable?
prev parent reply other threads:[~2020-11-09 17:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-210075-27@https.bugzilla.kernel.org/>
2020-11-07 5:13 ` [Bug 210075] New: [Thu Nov 5 13:14:27 2020] WARNING: CPU: 4 PID: 133 at mm/page_counter.c:57 page_counter_uncharge+0x34/0x40 Andrew Morton
2020-11-08 17:49 ` Lorenzo Stoakes
2020-11-09 8:16 ` Michal Hocko
2020-11-09 17:39 ` Shakeel Butt [this message]
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