linux-kernel - Re: [ppdev] 8b7d3a9d90: WARNING: CPU: 0 PID: 153 at fs/sysfs/dir.c:31 sysfs_warn

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Message-ID: <57C8682D.3020107@gmail.com>
Date:   Thu, 01 Sep 2016 23:11:01 +0530
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     kernel test robot <xiaolong.ye@...el.com>
CC:     lkp@...org, LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [ppdev]  8b7d3a9d90: WARNING: CPU: 0 PID: 153 at fs/sysfs/dir.c:31
 sysfs_warn_dup+0x62/0x80

On Thursday 01 September 2016 02:35 AM, kernel test robot wrote:
>
> FYI, we noticed the following commit:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-testing
> commit 8b7d3a9d903ee1d1f5febc8e74223e4e72720e35 ("ppdev: use new parport device model")
>
> in testcase: boot
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 4G
>
> caused below changes:

Hi,
I am not able to reproduce it on my qemu using the config you sent. I 
have also attached my dmesg. Can you please let me know the exact steps 
to reproduce the error..

regards
sudip

Download attachment "dmesg.xz" of type "application/x-xz" (9792 bytes)