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Groups > linux.kernel > #1437546
| From | Eric Dumazet <eric.dumazet@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. |
| Date | 2016-07-06 10:50 +0200 |
| Message-ID | <rRQGS-6SL-1@gated-at.bofh.it> (permalink) |
| References | <rQ1do-3M7-7@gated-at.bofh.it> <rQ1wJ-3SM-19@gated-at.bofh.it> <rQ1Q5-4fw-11@gated-at.bofh.it> <rQ1ZM-4iE-21@gated-at.bofh.it> <rRQdP-6J4-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 2016-07-06 at 16:15 +0800, Ding Tianhong wrote:
> Hi Eric：
>
> I had found out that the patch aaf92f(netfilter: conntrack: resched in
> nf_ct_iterate_cleanup) solve the problem,
> this patch add cond_sched() in the nf_ct_iterate_cleanup() which will
> be called in the net notifier chain every time,
> and I revert this patch at kernel 4.7-rc4 , it will panic for soft
> lockup, so I am not sure whether our patch is need,
> it looks like if I disable the CONFIG for netfilter that would
> register the nf_ct_iterate_cleanup as notifier, the problem still be
> exist.
Well, I do not have conntrack on my kernels, and I can not reproduce the
issue.
So I am guessing other patches also solved a scalability issue, between
4.1 and 4.7
I am aware of something that David did for IPv4, but this might help as
well for IPv6.
commit fbd40ea0180a2d328c5adc61414dc8bab9335ce2
ipv4: Don't do expensive useless work during inetdev destroy.
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[PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Ding Tianhong <dingtianhong@huawei.com> - 2016-07-01 09:40 +0200
Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Eric Dumazet <eric.dumazet@gmail.com> - 2016-07-01 10:00 +0200
Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Ding Tianhong <dingtianhong@huawei.com> - 2016-07-01 10:20 +0200
Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Eric Dumazet <eric.dumazet@gmail.com> - 2016-07-01 10:30 +0200
Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Ding Tianhong <dingtianhong@huawei.com> - 2016-07-06 10:20 +0200
Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Eric Dumazet <eric.dumazet@gmail.com> - 2016-07-06 10:50 +0200
Re: [PATCH] ipv6: Fix soft lockup for ipv6 network notifier. Ding Tianhong <dingtianhong@huawei.com> - 2016-07-07 03:50 +0200
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