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Re: kernel panic in 4.2.3, rb_erase in sch_fq

From Cong Wang <cwang@twopensource.com>
Newsgroups linux.kernel
Subject Re: kernel panic in 4.2.3, rb_erase in sch_fq
Date 2015-11-03 23:10 +0100
Message-ID <qqRW9-cZ-5@gated-at.bofh.it> (permalink)
References <qqo7N-6lo-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Nov 2, 2015 at 6:11 AM, Denys Fedoryshchenko
<nuclearcat@nuclearcat.com> wrote:
> Hi!
>
> Actually seems i was getting this panic for a while (once per week) on
> loaded pppoe server, but just now was able to get full panic message.
> After checking commit logs on sch_fq.c i didnt seen any fixes, so probably
> upgrading to newer kernel wont help?


Can you share your `tc qdisc show dev xxxx` with us? And how to reproduce
it? I tried to setup htb+fq and then flip the interface back and forth
but I don't
see any crash.

Thanks.
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Thread

kernel panic in 4.2.3, rb_erase in sch_fq Denys Fedoryshchenko <nuclearcat@nuclearcat.com> - 2015-11-02 15:20 +0100
  Re: kernel panic in 4.2.3, rb_erase in sch_fq Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-02 16:30 +0100
    Re: kernel panic in 4.2.3, rb_erase in sch_fq Denys Fedoryshchenko <nuclearcat@nuclearcat.com> - 2015-11-02 17:00 +0100
      Re: kernel panic in 4.2.3, rb_erase in sch_fq Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-02 17:20 +0100
        Re: kernel panic in 4.2.3, rb_erase in sch_fq Denys Fedoryshchenko <nuclearcat@nuclearcat.com> - 2015-11-02 17:30 +0100
  Re: kernel panic in 4.2.3, rb_erase in sch_fq Cong Wang <cwang@twopensource.com> - 2015-11-03 23:10 +0100
    Re: kernel panic in 4.2.3, rb_erase in sch_fq Denys Fedoryshchenko <nuclearcat@nuclearcat.com> - 2015-11-04 05:30 +0100
      Re: kernel panic in 4.2.3, rb_erase in sch_fq Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-04 05:50 +0100
        Re: kernel panic in 4.2.3, rb_erase in sch_fq Eric Dumazet <eric.dumazet@gmail.com> - 2015-11-04 06:00 +0100
          Re: kernel panic in 4.2.3, rb_erase in sch_fq Denys Fedoryshchenko <nuclearcat@nuclearcat.com> - 2015-11-04 06:20 +0100
        Re: kernel panic in 4.2.3, rb_erase in sch_fq Denys Fedoryshchenko <nuclearcat@nuclearcat.com> - 2015-11-13 22:50 +0100

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