netdev - Re: iproute2: tc deletion freezes whole server

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Message-ID: <CANxWus_tPZ-C2KuaY4xpuLVKXriTQv1jvHygc6o0RFcdM4TX2w@mail.gmail.com>
Date:   Thu, 26 Mar 2020 15:24:35 +0100
From:   Václav Zindulka <vaclav.zindulka@...pnet.cz>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: iproute2: tc deletion freezes whole server

> On Wed, Mar 25, 2020 at 6:43 PM Cong Wang <xiyou.wangcong@...il.com> wrote:
> > Are you able to test an experimental patch attached in this email?
>
> Sure. I'll compile new kernel tomorrow. Thank you for quick patch.
> I'll let you know as soon as I have anything.

I've compiled kernel with the patch you provided and tested it.
However the problem is not solved. It behaves exactly the same way.
I'm trying to put some printk into the fq_codel_reset() to test it
more.