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* mvneta MDIO problems
       [not found] <1485351412.5441.82.camel@beck.ac>
@ 2017-01-30  9:36 ` Thomas Petazzoni
  2017-01-30 14:44   ` Jason Cooper
  2017-01-31  3:06   ` Andrew Lunn
  0 siblings, 2 replies; 5+ messages in thread
From: Thomas Petazzoni @ 2017-01-30  9:36 UTC (permalink / raw)
  To: linux-arm-kernel

Hello,

Thanks for your report. I'm adding a number of people in Cc, as well as
the Linux ARM kernel mailing list. I'll keep your entire e-mail below
so that everyone can get the context.

On Wed, 25 Jan 2017 14:36:52 +0100, Jasmin Beck wrote:

> for quite a while now (kernel 4.1 or previously?) I observe link state
> problems with mvneta on the marvell mirabox; possibly there is a bug in
> mvneta/mdio driver.

Is there a kernel version where this problem does not exist? I.e is it
a regression or an issue that always existed?

> After some days (1-20 ?) uptime, the kernel 4.8.11 logs:
> 
> [779752.514644] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [783518.193094] mvneta d0070000.ethernet eth0: Link is Down
> [783519.229922] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [789431.374474] mvneta d0070000.ethernet eth0: Link is Down
> [804522.151348] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [804530.474111] mvneta d0070000.ethernet eth0: Link is Down
> [804532.550916] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> [806254.718708] mvneta d0070000.ethernet eth0: Link is Down
> 
> ... so sooner or later, the link stays down (let's call this "failed state")
> 
> When removing the mvneta-module and modprobe mvneta, it does not help.
> The only thing, that helps, is a reboot. Then it works again for some days.

mvneta is not in charge of the MDIO bus, there's a separate mvmdio
driver. Though it doesn't do anything in terms of HW initialization, so
I don't expect unloading/reloading this module to have any effect.

> This happens on multiple units of the mirabox, using various switches.
> 
> When trying to set the link up when the box is in "failed state" with
> "ip link set dev eth1 up":
> 
> [824259.058531] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [824281.522114] mvneta d0074000.ethernet eth1: could not find the PHY
> [824281.528361] mvneta d0074000.ethernet eth1: cannot probe MDIO bus

So it looks as if the PHY isn't responding anymore. Are you
experiencing this on both network interfaces? Only one specifically?

> I have no idea on how to debug this... the system is currently in
> "failed state", kernel source and compiler are available on the box
> (e.g. for unloading, modifying, compiling and loading mvneta.ko again),
> which is currently "offline", but can be accessed through the serial
> console.
> 
> As you are the maintainer of the driver according to mvneta.c, I
> thought this could be relevant for you.
> 
> If you are interested in taking a look at the situation in "failed
> state", I can immediately provide ssh access to the serial console
> (though your ssh public key is needed in this case).

I don't think we ever had similar reports. I'm not personally leaving
the Mirabox running for extended periods of time, so I've never seen
this issue. We do have the Mirabox tested as part of kernelci.org, but
it gets rebooted for every test, so we don't see this sort of issue.

Jason, Andrew, maybe you are running Mirabox boards for extended periods
of time? If so, have you seen a similar problem?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

^ permalink raw reply	[flat|nested] 5+ messages in thread

* mvneta MDIO problems
  2017-01-30  9:36 ` mvneta MDIO problems Thomas Petazzoni
@ 2017-01-30 14:44   ` Jason Cooper
  2017-01-30 16:03     ` Jasmin Beck
  2017-01-31  3:06   ` Andrew Lunn
  1 sibling, 1 reply; 5+ messages in thread
From: Jason Cooper @ 2017-01-30 14:44 UTC (permalink / raw)
  To: linux-arm-kernel

Hi Jasmin, Thomas,

On Mon, Jan 30, 2017 at 10:36:28AM +0100, Thomas Petazzoni wrote:
> On Wed, 25 Jan 2017 14:36:52 +0100, Jasmin Beck wrote:
...
> > If you are interested in taking a look at the situation in "failed
> > state", I can immediately provide ssh access to the serial console
> > (though your ssh public key is needed in this case).
> 
> I don't think we ever had similar reports. I'm not personally leaving
> the Mirabox running for extended periods of time, so I've never seen
> this issue. We do have the Mirabox tested as part of kernelci.org, but
> it gets rebooted for every test, so we don't see this sort of issue.
> 
> Jason, Andrew, maybe you are running Mirabox boards for extended periods
> of time? If so, have you seen a similar problem?

I do have a Mirabox running 24/7 and I've experienced the same issue.
To date, I thought I was the only one, and that it was probably due to
my funky printer that kicks down to 10MBit/half when in low power state.

I reported it a month or so ago via irc, but at the time blamed the
printer.  I'd love to dive in and fix it.

Mine is currently running 4.8.6 with one patch on top for ath9k.  Let
me know what kernel you want me to move to.

It was also a problem with 4.2.8, which was the kernel I installed when
I first stood up that box.

thx,

Jason.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* mvneta MDIO problems
  2017-01-30 14:44   ` Jason Cooper
@ 2017-01-30 16:03     ` Jasmin Beck
  0 siblings, 0 replies; 5+ messages in thread
From: Jasmin Beck @ 2017-01-30 16:03 UTC (permalink / raw)
  To: linux-arm-kernel

Hi Jason,
Hi Thomas,

thanks for your messages and the details regarding the report.

> Is there a kernel version where this problem does not exist? I.e is
> it a regression or an issue that always existed?

> Mine is currently running 4.8.6 with one patch on top for ath9k.??Let
> me know what kernel you want me to move to.

> It was also a problem with 4.2.8, which was the kernel I installed
> when I first stood up that box.

My testing-device is currently running 4.8.11-1~bpo8+1

There is another remote device, that I have not upgraded yet because of
this issue - it is still running 4.1.3-1~bpo8+1 with an uptime of
currently 66 days without experiencing the "link down" problem.
But it is not said, that this definitely means, that the issue is not
present in 4.1, because I had also experienced ~4-6 weeks uptime
without the issue on my testing-device here.
Possibly it is a regression in 4.2 and onwards, but not 100% sure.

> mvneta is not in charge of the MDIO bus, there's a separate mvmdio
> driver. Though it doesn't do anything in terms of HW initialization,?
> so I don't expect unloading/reloading this module to have any effect.

yes, I also supposed that this weekend because of the message:
>?[824281.528361] mvneta d0074000.ethernet eth1: cannot probe MDIO bus

So I just unloaded the module mvmdio, planning to insert some printk-
lines for obtaining more information... but unfortunately, unloading
mvmdio resulted in a NULL pointer exception/complete crash (even sysrq
through serial interface was not possible anymore) - possibly, this is
also a result of the "failed state"/the same bug, that leads to "link
down"?

> So it looks as if the PHY isn't responding anymore. Are you
> experiencing this on both network interfaces? Only one specifically?

> To date, I thought I was the only one, and that it was probably due
> to my funky printer that kicks down to 10MBit/half when in low power
> state.

It starts with occasionally link down/link up on eth0 or eth1, seems
"random". A link stays down for seconds, minutes (hours?) and then
comes back up.
After doing so for a while, the situation changes (-> failed state).
The links then either stay down or come up with 10M/Half-Duplex, but
being unable to transfer some data. Finally they go both down and stay
down.

When querying with ethtool in "failed state", it can not obtain any
information (I do not exactly remember the error message) - eth0 and
eth1 can behave differently regarding that in "failed state".

Furthermore, when trying "ip link set dev ethX up", eth0 and eth1 can
behave differently too. E.g. eth0 can state "NO-CARRIER" (ip link
show), and eth1 the mentioned "phy not found".

Currently, my box has an uptime of ?2 days, 16h and the process has
already started again with one link down/up:

[26727.775106] mvneta d0074000.ethernet eth1: Link is Down
[26729.851915] mvneta d0074000.ethernet eth1: Link is Up - 1Gbps/Full - flow control off

It COULD be possible, that it depends on the cpu/network usage over
time... it *seems* to happen sooner after reboot since running a full
bitcoin-node on the testing-device, that constantly consumes network/io
and cpu time. But as the "time to first link down" varies a lot anyway,
this is possibly just coincidence.

> I reported it a month or so ago via irc, but at the time blamed the
> printer.??I'd love to dive in and fix it.

We both have kernel 4.8 installed, so comparing with 4.1 could be a
good start.

Or examining the "failed state" as soon as a box enters it - I can also
provide ssh-access to the serial-port of the testing device; please
just send your public key if you'd like to take a look at it.


Thanks & Regards
Jasmin


On Mon, 2017-01-30 at 14:44 +0000, Jason Cooper wrote:
> Hi Jasmin, Thomas,
> 
> On Mon, Jan 30, 2017 at 10:36:28AM +0100, Thomas Petazzoni wrote:
> > On Wed, 25 Jan 2017 14:36:52 +0100, Jasmin Beck wrote:
> 
> ...
> > > If you are interested in taking a look at the situation in
> > > "failed
> > > state", I can immediately provide ssh access to the serial
> > > console
> > > (though your ssh public key is needed in this case).
> > 
> > I don't think we ever had similar reports. I'm not personally
> > leaving
> > the Mirabox running for extended periods of time, so I've never
> > seen
> > this issue. We do have the Mirabox tested as part of kernelci.org,
> > but
> > it gets rebooted for every test, so we don't see this sort of
> > issue.
> > 
> > Jason, Andrew, maybe you are running Mirabox boards for extended
> > periods
> > of time? If so, have you seen a similar problem?
> 
> I do have a Mirabox running 24/7 and I've experienced the same issue.
> To date, I thought I was the only one, and that it was probably due
> to
> my funky printer that kicks down to 10MBit/half when in low power
> state.
> 
> I reported it a month or so ago via irc, but at the time blamed the
> printer.??I'd love to dive in and fix it.
> 
> Mine is currently running 4.8.6 with one patch on top for ath9k.??Let
> me know what kernel you want me to move to.
> 
> It was also a problem with 4.2.8, which was the kernel I installed
> when
> I first stood up that box.
> 
> thx,
> 
> Jason.
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^ permalink raw reply	[flat|nested] 5+ messages in thread

* mvneta MDIO problems
  2017-01-30  9:36 ` mvneta MDIO problems Thomas Petazzoni
  2017-01-30 14:44   ` Jason Cooper
@ 2017-01-31  3:06   ` Andrew Lunn
  2017-06-12 22:29     ` Jasmin Beck
  1 sibling, 1 reply; 5+ messages in thread
From: Andrew Lunn @ 2017-01-31  3:06 UTC (permalink / raw)
  To: linux-arm-kernel

> > After some days (1-20 ?) uptime, the kernel 4.8.11 logs:
> > 
> > [779752.514644] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> > [783518.193094] mvneta d0070000.ethernet eth0: Link is Down
> > [783519.229922] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> > [789431.374474] mvneta d0070000.ethernet eth0: Link is Down
> > [804522.151348] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> > [804530.474111] mvneta d0070000.ethernet eth0: Link is Down
> > [804532.550916] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
> > [806254.718708] mvneta d0070000.ethernet eth0: Link is Down
> > 
> > ... so sooner or later, the link stays down (let's call this "failed state")

I've not seen this, but i blew my mirabox up, wrong power supply :-(

I've also not heard of problems with other Marvell devices. So i would
guess it is something specific to this SoC and PHY.

> > I have no idea on how to debug this... the system is currently in
> > "failed state", kernel source and compiler are available on the box
> > (e.g. for unloading, modifying, compiling and loading mvneta.ko again),
> > which is currently "offline", but can be accessed through the serial
> > console.

Does you kernel have:

commit e22e996b72d47c7bf5bb6b17071b2e9d3db462d4
Author: Uwe Kleine-K??nig <uwe@kleine-koenig.org>
Date:   Tue Nov 22 16:47:11 2016 +0100

    net/phy: add trace events for mdio accesses
    
    Make it possible to generate trace events for mdio read and write accesses.

and are trace points compiled in? I've never used it, but it should be
possible to log the mdio reads/writes. I would be interested to see
the values. Reads of 0xffff indicate the PHY did not answer at all. Or
are there bit flips?

    Andrew

^ permalink raw reply	[flat|nested] 5+ messages in thread

* mvneta MDIO problems
  2017-01-31  3:06   ` Andrew Lunn
@ 2017-06-12 22:29     ` Jasmin Beck
  0 siblings, 0 replies; 5+ messages in thread
From: Jasmin Beck @ 2017-06-12 22:29 UTC (permalink / raw)
  To: linux-arm-kernel

Hi @all,

meanwhile I have managed to gather some tracing information
(mdio_access) using the following kernel:

4.10.0-rc6-armmp #1 SMP Debian 4.10~rc6-1~exp2 (2017-02-02) armv7l GNU/Linux

The system was running fine for months using kernel 4.8 with
mdio_access patch, then I upgraded to 4.9 (and rebooted, of course). It
started to fail a few hours later, so I decided to install 4.10 (from
debian experimental, including mdio_access patch) and it failed again
~4175 seconds after reboot.

Please see the combined text-file attached.

Possibly there is a problem on the mdio bus?

?????kworker/0:1-1569??[000] ....??4175.955834: mdio_access: d0072004.mdio-mi read??phy:0x00 reg:0x01 val:0xffff
?????kworker/0:1-1569??[000] ....??4175.955915: mdio_access: d0072004.mdio-mi read??phy:0x00 reg:0x01 val:0xffff
?????kworker/0:1-1569??[000] ....??4175.955994: mdio_access: d0072004.mdio-mi read??phy:0x00 reg:0x11 val:0xffff
?????kworker/0:1-1569??[000] ....??4175.956069: mdio_access: d0072004.mdio-mi read??phy:0x00 reg:0x05 val:0xffff
?????kworker/0:1-1569??[000] ....??4175.956144: mdio_access: d0072004.mdio-mi read??phy:0x00 reg:0x0a val:0xffff
?????kworker/0:1-1569??[000] ....??4175.956218: mdio_access: d0072004.mdio-mi read??phy:0x00 reg:0x04 val:0xffff

Kind Regards
Jasmin


On Tue, 2017-01-31 at 04:06 +0100, Andrew Lunn wrote:
> > > After some days (1-20 ?) uptime, the kernel 4.8.11 logs:
> > > 
> > > [779752.514644] mvneta d0070000.ethernet eth0: Link is Up -
> > > 1Gbps/Full - flow control off
> > > [783518.193094] mvneta d0070000.ethernet eth0: Link is Down
> > > [783519.229922] mvneta d0070000.ethernet eth0: Link is Up -
> > > 1Gbps/Full - flow control off
> > > [789431.374474] mvneta d0070000.ethernet eth0: Link is Down
> > > [804522.151348] mvneta d0070000.ethernet eth0: Link is Up -
> > > 1Gbps/Full - flow control off
> > > [804530.474111] mvneta d0070000.ethernet eth0: Link is Down
> > > [804532.550916] mvneta d0070000.ethernet eth0: Link is Up -
> > > 1Gbps/Full - flow control off
> > > [806254.718708] mvneta d0070000.ethernet eth0: Link is Down
> > > 
> > > ... so sooner or later, the link stays down (let's call this
> > > "failed state")
> 
> I've not seen this, but i blew my mirabox up, wrong power supply :-(
> 
> I've also not heard of problems with other Marvell devices. So i
> would
> guess it is something specific to this SoC and PHY.
> 
> > > I have no idea on how to debug this... the system is currently in
> > > "failed state", kernel source and compiler are available on the
> > > box
> > > (e.g. for unloading, modifying, compiling and loading mvneta.ko
> > > again),
> > > which is currently "offline", but can be accessed through the
> > > serial
> > > console.
> 
> Does you kernel have:
> 
> commit e22e996b72d47c7bf5bb6b17071b2e9d3db462d4
> Author: Uwe Kleine-K??nig <uwe@kleine-koenig.org>
> Date:???Tue Nov 22 16:47:11 2016 +0100
> 
> ????net/phy: add trace events for mdio accesses
> ????
> ????Make it possible to generate trace events for mdio read and write
> accesses.
> 
> and are trace points compiled in? I've never used it, but it should
> be
> possible to log the mdio reads/writes. I would be interested to see
> the values. Reads of 0xffff indicate the PHY did not answer at all.
> Or
> are there bit flips?
> 
> ????Andrew
-------------- next part --------------
        mii-tool-1122  [000] ....  1492.718533: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x00 val:0x1000
        mii-tool-1122  [000] ....  1492.718636: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
        mii-tool-1122  [000] ....  1492.718721: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x00 val:0x1000
        mii-tool-1122  [000] ....  1492.718804: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
        mii-tool-1122  [000] ....  1492.718906: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x02 val:0x0141
        mii-tool-1122  [000] ....  1492.718991: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x03 val:0x0dd1
        mii-tool-1122  [000] ....  1492.719075: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
        mii-tool-1122  [000] ....  1492.719159: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
        mii-tool-1122  [000] ....  1492.719242: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x06 val:0x000d
        mii-tool-1122  [000] ....  1492.719324: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x07 val:0x2001
        mii-tool-1122  [000] ....  1492.719407: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x08 val:0x489c
        mii-tool-1122  [000] ....  1492.719489: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x09 val:0x0300
        mii-tool-1122  [000] ....  1492.719572: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:1-20    [000] ....  1493.210578: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:1-20    [000] ....  1493.210663: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:1-20    [000] ....  1493.210740: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac08
     kworker/0:1-20    [000] ....  1493.210818: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:1-20    [000] ....  1493.210894: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:1-20    [000] ....  1493.210969: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-20    [000] ....  1493.594562: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-20    [000] ....  1493.594645: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-20    [000] ....  1493.594723: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac48
     kworker/0:1-20    [000] ....  1493.594799: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-20    [000] ....  1493.594875: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-20    [000] ....  1493.594950: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
        mii-tool-1123  [000] ....  1494.102510: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x00 val:0x1000
        mii-tool-1123  [000] ....  1494.102615: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
        mii-tool-1123  [000] ....  1494.102700: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x00 val:0x1000
        mii-tool-1123  [000] ....  1494.102783: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
        mii-tool-1123  [000] ....  1494.102866: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x02 val:0x0141
        mii-tool-1123  [000] ....  1494.102948: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x03 val:0x0dd1
        mii-tool-1123  [000] ....  1494.103031: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
        mii-tool-1123  [000] ....  1494.103115: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
        mii-tool-1123  [000] ....  1494.103200: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x06 val:0x000d
        mii-tool-1123  [000] ....  1494.103282: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x07 val:0x2001
        mii-tool-1123  [000] ....  1494.103365: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x08 val:0x4cc7
        mii-tool-1123  [000] ....  1494.103448: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x09 val:0x0300
        mii-tool-1123  [000] ....  1494.103530: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800

     kworker/0:1-1569  [000] ....  4173.908033: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4173.908117: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4173.908194: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4173.908271: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4173.908348: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4173.908423: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4174.291995: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4174.292078: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4174.292155: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4174.292231: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4174.292305: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4174.292380: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:3-1170  [000] ....  4174.931949: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:3-1170  [000] ....  4174.932030: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:3-1170  [000] ....  4174.932105: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac08
     kworker/0:3-1170  [000] ....  4174.932179: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:3-1170  [000] ....  4174.932266: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:3-1170  [000] ....  4174.933303: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4175.315893: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4175.315974: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4175.316050: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4175.316126: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4175.316210: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4175.316287: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4175.955834: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0xffff
     kworker/0:1-1569  [000] ....  4175.955915: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0xffff
     kworker/0:1-1569  [000] ....  4175.955994: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xffff
     kworker/0:1-1569  [000] ....  4175.956069: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xffff
     kworker/0:1-1569  [000] ....  4175.956144: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0xffff
     kworker/0:1-1569  [000] ....  4175.956218: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0xffff
     kworker/0:1-1569  [000] ....  4176.339789: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4176.339876: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4176.339952: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4176.340028: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4176.340102: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4176.340177: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4176.979741: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0xffff
     kworker/0:1-1569  [000] ....  4176.979823: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0xffff
     kworker/0:1-1569  [000] ....  4176.979899: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xffff
     kworker/0:1-1569  [000] ....  4176.979974: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xffff
     kworker/0:1-1569  [000] ....  4176.980049: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0xffff
     kworker/0:1-1569  [000] ....  4176.980123: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0xffff
     kworker/0:3-1170  [000] ....  4177.363714: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:3-1170  [000] ....  4177.363798: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:3-1170  [000] ....  4177.363874: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:3-1170  [000] ....  4177.363950: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:3-1170  [000] ....  4177.364041: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:3-1170  [000] ....  4177.364117: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4178.003638: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0xffff
     kworker/0:1-1569  [000] ....  4178.003720: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0xffff
     kworker/0:1-1569  [000] ....  4178.003796: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xffff
     kworker/0:1-1569  [000] ....  4178.003871: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xffff
     kworker/0:1-1569  [000] ....  4178.003946: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0xffff
     kworker/0:1-1569  [000] ....  4178.004021: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0xffff
     kworker/0:1-1569  [000] ....  4178.387600: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4178.387684: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4178.387765: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4178.387841: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4178.387916: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4178.387990: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4179.027542: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4179.027624: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4179.027700: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:1-1569  [000] ....  4179.027776: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0000
     kworker/0:1-1569  [000] ....  4179.027851: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:1-1569  [000] ....  4179.027928: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4179.411498: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4179.411580: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4179.411655: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4179.411731: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4179.411809: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4179.411883: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4180.051444: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4180.051526: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4180.051604: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:1-1569  [000] ....  4180.051679: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0000
     kworker/0:1-1569  [000] ....  4180.051754: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:1-1569  [000] ....  4180.051828: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1

[ 4180.055059] mvneta d0070000.ethernet eth0: Link is Down

     kworker/0:1-1569  [000] ....  4180.435412: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4180.435492: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4180.435566: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4180.435637: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4180.435707: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4180.435780: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:3-1170  [000] ....  4181.075308: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1170  [000] ....  4181.075386: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1170  [000] ....  4181.075461: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x4800
     kworker/0:3-1170  [000] ....  4181.075533: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:3-1170  [000] ....  4181.075603: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:3-1170  [000] ....  4181.075673: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4181.459299: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4181.459379: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4181.459451: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4181.459521: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4181.459591: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4181.459661: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4182.099227: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4182.099307: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4182.099379: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:1-1569  [000] ....  4182.099449: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:1-1569  [000] ....  4182.099518: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:1-1569  [000] ....  4182.099587: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4182.483176: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4182.483254: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4182.483326: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4182.483397: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4182.483467: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4182.483537: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4183.123125: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4183.123204: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4183.123275: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:1-1569  [000] ....  4183.123345: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:1-1569  [000] ....  4183.123417: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:1-1569  [000] ....  4183.123487: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:3-1170  [000] ....  4183.507087: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:3-1170  [000] ....  4183.507167: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:3-1170  [000] ....  4183.507238: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:3-1170  [000] ....  4183.507310: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:3-1170  [000] ....  4183.507380: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:3-1170  [000] ....  4183.507451: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4184.147026: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4184.147105: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4184.147179: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x4800
     kworker/0:1-1569  [000] ....  4184.147249: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:1-1569  [000] ....  4184.147319: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:1-1569  [000] ....  4184.147389: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4184.531003: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4184.531084: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4184.531155: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4184.531225: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4184.531295: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4184.531365: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4185.170952: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4185.171030: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:1-1569  [000] ....  4185.171103: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:1-1569  [000] ....  4185.171173: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:1-1569  [000] ....  4185.171243: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:1-1569  [000] ....  4185.171313: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1569  [000] ....  4185.554904: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4185.554982: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:1-1569  [000] ....  4185.555054: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:1-1569  [000] ....  4185.555125: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:1-1569  [000] ....  4185.555195: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:1-1569  [000] ....  4185.555264: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1

     kworker/0:3-1871  [000] ....  6334.414086: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6334.414169: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6334.414244: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:3-1871  [000] ....  6334.414317: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:3-1871  [000] ....  6334.414389: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6334.414463: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6334.798087: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6334.798167: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6334.798239: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0xac08
     kworker/0:2-1824  [000] ....  6334.798310: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6334.798382: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x3800
     kworker/0:2-1824  [000] ....  6334.798452: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:3-1871  [000] ....  6335.438067: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6335.438149: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6335.438225: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x4800
     kworker/0:3-1871  [000] ....  6335.438297: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:3-1871  [000] ....  6335.438370: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6335.438444: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:3-1871  [000] ....  6335.822111: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6335.822193: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6335.822279: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:3-1871  [000] ....  6335.822360: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0000
     kworker/0:3-1871  [000] ....  6335.822449: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6335.822545: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:3-1871  [000] ....  6336.462035: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6336.462117: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6336.462193: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:3-1871  [000] ....  6336.462284: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:3-1871  [000] ....  6336.462363: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6336.462439: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:3-1871  [000] ....  6336.846031: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6336.846112: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6336.846188: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:3-1871  [000] ....  6336.846263: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0000
     kworker/0:3-1871  [000] ....  6336.846342: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6336.846428: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1

[ 6336.849659] mvneta d0074000.ethernet eth1: Link is Down

     kworker/0:3-1871  [000] ....  6337.486022: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6337.486114: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6337.486191: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:3-1871  [000] ....  6337.486267: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:3-1871  [000] ....  6337.486341: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6337.486416: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:3-1871  [000] ....  6337.870020: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6337.870101: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6337.870177: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x4800
     kworker/0:3-1871  [000] ....  6337.870252: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:3-1871  [000] ....  6337.870326: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6337.870404: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6338.509997: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6338.510079: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6338.510158: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x4800
     kworker/0:2-1824  [000] ....  6338.510233: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6338.510307: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6338.510381: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:3-1871  [000] ....  6338.894003: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6338.894088: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:3-1871  [000] ....  6338.894164: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:3-1871  [000] ....  6338.894238: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:3-1871  [000] ....  6338.894314: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:3-1871  [000] ....  6338.894388: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6559.687650: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6559.687732: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6559.687808: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6559.687882: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6559.687957: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6559.688032: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6560.071640: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6560.071721: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6560.071797: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6560.071873: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6560.071948: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6560.072025: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6560.711613: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6560.711694: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6560.711770: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6560.711848: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6560.711923: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6560.711999: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1980  [000] ....  6561.095591: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:1-1980  [000] ....  6561.095680: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:1-1980  [000] ....  6561.095759: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x4800
     kworker/0:1-1980  [000] ....  6561.095835: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:1-1980  [000] ....  6561.095911: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:1-1980  [000] ....  6561.095986: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6561.735586: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6561.735667: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6561.735747: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x4800
     kworker/0:2-1824  [000] ....  6561.735822: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6561.735896: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6561.735971: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0xffff
     kworker/0:2-1824  [000] ....  6562.119570: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6562.119653: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6562.119730: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6562.119805: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6562.119880: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6562.119955: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6562.759562: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6562.759644: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6562.759721: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6562.759796: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0x0000
     kworker/0:2-1824  [000] ....  6562.759881: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6562.759958: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6563.143537: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6563.143618: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6563.143695: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6563.143769: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6563.143845: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6563.143919: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6563.783516: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6563.783598: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6563.783673: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0x9040
     kworker/0:2-1824  [000] ....  6563.783748: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6563.783825: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x4000
     kworker/0:2-1824  [000] ....  6563.783900: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6564.167501: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6564.167584: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6564.167663: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x4800
     kworker/0:2-1824  [000] ....  6564.167739: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6564.167816: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6564.167891: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:1-1980  [000] ....  6564.807481: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x7969
     kworker/0:1-1980  [000] ....  6564.807565: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:1-1980  [000] ....  6564.807640: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xbc48
     kworker/0:1-1980  [000] ....  6564.807715: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:1-1980  [000] ....  6564.807790: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:1-1980  [000] ....  6564.807865: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1980  [000] ....  6564.807941: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d

[ 6564.807974] mvneta d0070000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off

     kworker/0:2-1824  [000] ....  6565.191465: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6565.191547: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6565.191623: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6565.191698: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6565.191773: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6565.191847: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6565.831444: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6565.831526: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6565.831602: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:2-1824  [000] ....  6565.831676: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6565.831751: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:2-1824  [000] ....  6565.831825: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6566.215450: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6566.215532: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6566.215607: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6566.215683: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6566.215757: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6566.215832: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6566.855418: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6566.855499: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6566.855575: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:2-1824  [000] ....  6566.855650: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6566.855726: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:2-1824  [000] ....  6566.855800: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:1-1980  [000] ....  6567.239388: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:1-1980  [000] ....  6567.239470: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:1-1980  [000] ....  6567.239545: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x4800
     kworker/0:1-1980  [000] ....  6567.239620: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:1-1980  [000] ....  6567.239695: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:1-1980  [000] ....  6567.239772: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6567.879370: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6567.879449: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6567.879522: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:2-1824  [000] ....  6567.879593: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6567.879663: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:2-1824  [000] ....  6567.879734: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6568.263341: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6568.263420: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6568.263492: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6568.263563: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6568.263633: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6568.263703: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6568.903322: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6568.903401: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6568.903476: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:2-1824  [000] ....  6568.903548: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6568.903619: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:2-1824  [000] ....  6568.903689: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6569.287303: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6569.287383: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:2-1824  [000] ....  6569.287455: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:2-1824  [000] ....  6569.287526: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:2-1824  [000] ....  6569.287596: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:2-1824  [000] ....  6569.287666: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:2-1824  [000] ....  6569.927286: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6569.927365: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:2-1824  [000] ....  6569.927437: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:2-1824  [000] ....  6569.927512: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:2-1824  [000] ....  6569.927583: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:2-1824  [000] ....  6569.927653: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1

        mii-tool-2065  [000] ....  6940.800130: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x00 val:0x1140
        mii-tool-2065  [000] ....  6940.800219: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
        mii-tool-2065  [000] ....  6940.800297: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x00 val:0x1140
        mii-tool-2065  [000] ....  6940.800374: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
        mii-tool-2065  [000] ....  6940.800451: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x02 val:0x0141
        mii-tool-2065  [000] ....  6940.800528: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x03 val:0x0dd1
        mii-tool-2065  [000] ....  6940.800605: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
        mii-tool-2065  [000] ....  6940.800682: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
        mii-tool-2065  [000] ....  6940.800758: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x06 val:0x000d
        mii-tool-2065  [000] ....  6940.800836: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x07 val:0x2001
        mii-tool-2065  [000] ....  6940.800967: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x08 val:0x4d23
        mii-tool-2065  [000] ....  6940.801049: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x09 val:0x0300
        mii-tool-2065  [000] ....  6940.801127: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:0-1922  [000] ....  6940.985034: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:0-1922  [000] ....  6940.985112: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:0-1922  [000] ....  6940.985184: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:0-1922  [000] ....  6940.985254: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:0-1922  [000] ....  6940.985325: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:0-1922  [000] ....  6940.985395: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:0-1922  [000] ....  6941.625001: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:0-1922  [000] ....  6941.625080: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:0-1922  [000] ....  6941.625152: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:0-1922  [000] ....  6941.625222: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:0-1922  [000] ....  6941.625292: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:0-1922  [000] ....  6941.625363: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
     kworker/0:0-1922  [000] ....  6942.008975: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:0-1922  [000] ....  6942.009054: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
     kworker/0:0-1922  [000] ....  6942.009126: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x11 val:0x8000
     kworker/0:0-1922  [000] ....  6942.009196: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
     kworker/0:0-1922  [000] ....  6942.009267: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000
     kworker/0:0-1922  [000] ....  6942.009337: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
     kworker/0:0-1922  [000] ....  6942.649008: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:0-1922  [000] ....  6942.649092: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x01 val:0x796d
     kworker/0:0-1922  [000] ....  6942.649171: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x11 val:0xac48
     kworker/0:0-1922  [000] ....  6942.649250: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x05 val:0xc001
     kworker/0:0-1922  [000] ....  6942.649327: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x0a val:0x3800
     kworker/0:0-1922  [000] ....  6942.649404: mdio_access: d0072004.mdio-mi read  phy:0x00 reg:0x04 val:0x01e1
        mii-tool-2066  [000] ....  6942.780185: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x00 val:0x1140
        mii-tool-2066  [000] ....  6942.780272: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
        mii-tool-2066  [000] ....  6942.780353: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x00 val:0x1140
        mii-tool-2066  [000] ....  6942.780434: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x01 val:0x7949
        mii-tool-2066  [000] ....  6942.780513: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x02 val:0x0141
        mii-tool-2066  [000] ....  6942.780591: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x03 val:0x0dd1
        mii-tool-2066  [000] ....  6942.780669: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x04 val:0x01e1
        mii-tool-2066  [000] ....  6942.780748: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x05 val:0x0081
        mii-tool-2066  [000] ....  6942.780884: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x06 val:0x0004
        mii-tool-2066  [000] ....  6942.780972: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x07 val:0x2001
        mii-tool-2066  [000] ....  6942.781052: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x08 val:0x0000
        mii-tool-2066  [000] ....  6942.781131: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x09 val:0x0300
        mii-tool-2066  [000] ....  6942.781210: mdio_access: d0072004.mdio-mi read  phy:0x01 reg:0x0a val:0x0000

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2017-06-12 22:29 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <1485351412.5441.82.camel@beck.ac>
2017-01-30  9:36 ` mvneta MDIO problems Thomas Petazzoni
2017-01-30 14:44   ` Jason Cooper
2017-01-30 16:03     ` Jasmin Beck
2017-01-31  3:06   ` Andrew Lunn
2017-06-12 22:29     ` Jasmin Beck

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