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SubjectRe: [REGRESSION] 5.0-rc2: iptables -nvL consumes 100% of CPU and hogs memory with kernel 5.0-rc2
Date
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


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