From: Martin Steigerwald <martin@lichtvoll.de>
To: Florian Westphal <fw@strlen.de>
Cc: Michal Kubecek <mkubecek@suse.cz>,
netfilter-devel@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] 5.0-rc2: iptables -nvL consumes 100% of CPU and hogs memory with kernel 5.0-rc2
Date: Tue, 15 Jan 2019 12:52:06 +0100 [thread overview]
Message-ID: <1716489.K3OScS4TjR@merkaba> (raw)
In-Reply-To: <20190115101519.pf7ogpvdz22wku7g@breakpoint.cc>
Florian Westphal - 15.01.19, 11:15:
> Michal Kubecek <mkubecek@suse.cz> wrote:
> > > I upgraded to self-compiled 5.0-rc2 today and found the machine to
> > > be slow after startup. I saw iptables consuming 100% CPU, it only
> > > responded to SIGKILL. It got restarted several times, probably by
> > > some systemd service.
> > >
> > > Then I started 'iptables -nvL' manually. And I got this:
> > >
> > > % strace -p 5748
> > > [… tons more, in what appeared an endless loop …]
>
> This is fixed by:
>
> http://patchwork.ozlabs.org/patch/1024772/
> ("netfilter: nf_tables: Fix for endless loop when dumping ruleset").
Thanks, Florian.
Will wait for first 5.0-rcx with x=>2 that contains the fix. Bug closed on
Debian side already, was premature to report it there.
Ciao,
--
Martin
prev parent reply other threads:[~2019-01-15 11:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-14 22:53 [REGRESSION] 5.0-rc2: iptables -nvL consumes 100% of CPU and hogs memory with kernel 5.0-rc2 Martin Steigerwald
2019-01-15 10:10 ` Michal Kubecek
2019-01-15 10:15 ` Florian Westphal
2019-01-15 11:52 ` Martin Steigerwald [this message]
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