On 03/02/2018 10:34 AM, Robert Franchisseur wrote:
> Hello,
> 
> on  my  laptop  Dell Precision 3520 running SL7.4 I receive  lots  of
> mails like this :
> 
> 
> Date: Thu, 01 Mar 2018 13:53:37 +0100
> From: [log in to unmask]
> To: [log in to unmask]
> Subject: [abrt] kernel: WARNING: CPU: 0 PID: 35 at drivers/base/bus.c:547 bus_probe_device+0xb7/0xc0
> User-Agent: Heirloom mailx 12.5 7/5/10
> 
> reason:         WARNING: CPU: 0 PID: 35 at drivers/base/bus.c:547 bus_probe_device+0xb7/0xc0
> cmdline:        BOOT_IMAGE=/vmlinuz-3.10.0-693.17.1.el7.x86_64
> +root=UUID=651c9683-5621-4501-95eb-e0082f88fce3 ro rhgb quiet LANG=en_US.UTF-8 nouveau.modeset=0
> +net.ifnames=0
> package:        kernel
> component:	kernel
> hostname:	localhost.localdomain
> count:          11
> abrt_version:   2.1.11
> analyzer:	Kerneloops
> architecture:   x86_64
> duphash:        8209182d2964f3a7437dd888e37454296a655ce2
> event_log:
> kernel:         3.10.0-693.17.1.el7.x86_64
> last_occurrence: 1519908817
> os_release:     Scientific Linux release 7.4 (Nitrogen)
> pkg_arch:	x86_64
> pkg_epoch:	0
> pkg_fingerprint: B0B4 183F 192A 7D7D
> pkg_name:	kernel
> pkg_release:    693.17.1.el7
> pkg_vendor:     Scientific Linux
> pkg_version:    3.10.0
> runlevel:	N 5
> time:           Sun 28 Jan 2018 07:04:09 PM CET
> type:           Kerneloops
> uid:            0
> username:	root
> uuid:           8209182d2964f3a7437dd888e37454296a655ce2
> 
> followed by a very long  backtrace that you can see here :
> 
> https://franchisseur.fr/tmp/kernel_pb
> 
> I will be glad if someone tell me how to get rid of those messages.
> 
> Thanks for you help.
> 

It looks like it is unhappy with the Intel Management Engine (mei 
driver) for one reason or another.  You could try either disabling ME in 
the bios or seeing if Dell has an updated bios that may correct the 
misbehavior.  Or blacklist/unload the mei driver...

-Mark