linux-kernel - Re: [lkp-robot] [net] 8e5bf9759a: WARNING:at_lib/refcount.c:#refcount

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Message-ID: <317b76b0-cb7c-6609-7509-2345044c3651@gmail.com>
Date:   Thu, 9 Nov 2017 07:58:51 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        kernel test robot <xiaolong.ye@...el.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: Re: [lkp-robot] [net] 8e5bf9759a:
 WARNING:at_lib/refcount.c:#refcount_inc



On 11/09/2017 07:45 AM, Vivien Didelot wrote:
> Hi,
> 
> Hum I don't understand why I don't see this 'increment on 0'
> warning... But I'm sending a fix for that anyway.

You need a platform which has FULL refcount support
(CONFIG_REFCOUNT_FULL), you are likely testing on ARM 32-bit which does
not currently have that. I would recommend firing up an x86_64 VM and
use that as a test platform to reproduce this.
-- 
Florian