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Message-ID: <2d2e0b2031c1e8072e7a98dce9206961450c11a9.camel@sipsolutions.net>
Subject: Re: [iwlwifi] v5.12-rc1: Unable to move phy0 to other network
 namespace
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Torsten Hilbrich <torsten.hilbrich@secunet.com>,
        luciano.coelho@intel.com
Cc:     linux-wireless@vger.kernel.org
Date:   Tue, 16 Mar 2021 13:09:45 +0100
In-Reply-To: <28fee372-0dc6-6351-2b1d-c79e924952a5@secunet.com> (sfid-20210316_123944_590498_1D9DB7F3)
References: <28fee372-0dc6-6351-2b1d-c79e924952a5@secunet.com>
         (sfid-20210316_123944_590498_1D9DB7F3)
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On Tue, 2021-03-16 at 12:38 +0100, Torsten Hilbrich wrote:
> Hello,
> 
> starting with kernel v5.12-rc1 (and still not working in v5.12-rc3) I'm
> no longer able to move a wlan interface into another namespace.
> 
> I have created a new network namespace, like in the following example:
> 
> # ip netns add black
> 
> Then I move the phy0 interface to that network namespace. I then expect the wlan0 interface to be removed from the initial network namespace and then to appear in the new one.
> 
> # iw phy phy0 set netns name black
> 
> However, starting with v5.12-rc1 (last known to be working with v5.11) the command never finishes execution. Instead, I get a number of rntl warnings and a soft hangup

Yes, oops, known bug, fix is here:

https://patchwork.kernel.org/project/linux-wireless/patch/20210310215839.eadf7c43781b.I5fc6cf6676f800ab8008e03bbea9c3349b02d804@changeid/

I'll get it sent upstream soon.

johannes