UTPBlokje
Posts: 4
Joined: Tue Mar 27, 2018 6:26 pm

Ethernet Problems PI3 B+

Tue Mar 27, 2018 6:42 pm

Hi Guys,

I've troubles with the new Pi. I first thought it was because of the rom I was using that the ethernet adapter was not working tried everything to get it work. And yes for a couple of seconds it works but then the pi freezes completely. The green light is on not even blinking anymore. But constant on
So today I tried noobs on a clean fresh SD card. And the same thing is happening when noobs tries to make network connection.

-No it’s not the network / Networkcabel
-The power supplies already switch
- Tried different SD card
- Tried a couple of rom’s

So I’m just wondering do you guys have troubles with the new 3 b+
Or is there something I have completely missed :roll:

- Wi-fi is working
- USB ethernet is working

It only freezes when the Ethernet of the pi is used. Doesn’t matter witch rom.

So maybe you guys have some ideas or it will go back to the store as DOA

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 9:39 am

I've been experiencing all sorts of errors / stability issues that seem to be ethernet-related as well. I had intended to replace a couple of 3B/2B devices with new 3B+ ones to get a minor speed bump. My experience hasn't been exactly bump-free. Tried replacing 4 of my 2B/3B units with 3B+ ones:

- Raspbian with vlan/bridges configured (no NFS/SAMBA mounts) : a lot of packet loss
- Raspbian with no vlan or bridge configured (with NFS/SAMBA mountpoints): a lot of packet loss

I have tried 4 different PSU's (2.5a , RPI foundation ones), attached the pi's to different switches, switched tagged vlan setups to plain ones, nothing seems to help. The one thing my problems have in common : they do not occur if I swap the 3B+ for 3B/2B devices. So far, I have not been able to get any of my new 3B+ devices to do useful stuff (replacing the older ones without problems/issues) at all.

I would love to see this boil down into a firmware/device driver issue.

jamesh
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Raspberry Pi Engineer & Forum Moderator
Posts: 24162
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Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 12:09 pm

Principal Software Engineer at Raspberry Pi (Trading) Ltd.
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k-pi
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Location: Upper Hale, Surrey, UK.

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 4:06 pm

Just a thought, you are using the latest 13-3-2018 version of Rasbian on your RPi3B+ units, aren't you(?).

UTPBlokje
Posts: 4
Joined: Tue Mar 27, 2018 6:26 pm

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 8:54 pm

jamesh wrote:
Wed Mar 28, 2018 12:09 pm
Can you try this?

viewtopic.php?f=63&t=208512&start=50#p1293625
I can't do any testing on the Ethernet adapter because de pi freeze i tried the eee=off but it still the same problem

UTPBlokje
Posts: 4
Joined: Tue Mar 27, 2018 6:26 pm

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 9:00 pm

fuxjezz wrote:
Wed Mar 28, 2018 9:39 am
I've been experiencing all sorts of errors / stability issues that seem to be ethernet-related as well. I had intended to replace a couple of 3B/2B devices with new 3B+ ones to get a minor speed bump. My experience hasn't been exactly bump-free. Tried replacing 4 of my 2B/3B units with 3B+ ones:

- Raspbian with vlan/bridges configured (no NFS/SAMBA mounts) : a lot of packet loss
- Raspbian with no vlan or bridge configured (with NFS/SAMBA mountpoints): a lot of packet loss

I have tried 4 different PSU's (2.5a , RPI foundation ones), attached the pi's to different switches, switched tagged vlan setups to plain ones, nothing seems to help. The one thing my problems have in common : they do not occur if I swap the 3B+ for 3B/2B devices. So far, I have not been able to get any of my new 3B+ devices to do useful stuff (replacing the older ones without problems/issues) at all.

I would love to see this boil down into a firmware/device driver issue.
A colleague of mine is facing the same problems as I am. I hope it is firmware/driver related and not hardware

dileepa
Posts: 2
Joined: Wed Mar 29, 2017 1:56 am

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 10:06 pm

Just bought a new pi3 b+ with official 2.5 A power supply. System does not boot when ethernet cable is plugged in.

Also system freezes when ethernet cable is plugged in. Wi-fi works fine.

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 10:19 pm

Hi Jamesh,
jamesh wrote:
Wed Mar 28, 2018 12:09 pm
Can you try this?

viewtopic.php?f=63&t=208512&start=50#p1293625

I've just fitted one of the RPI installations with the
dtparam=eee=off
parameter in /boot/config.txt and swapped it for a 3B+ . Keeping my fingers crossed. If It does not exhibit strange/problematic behaviour I will swap some of the other non-3B+ raspberries for 3B+ ones as well.

I will keep you updated on any findings/results, thank you for your suggestion.

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 10:26 pm

k-pi wrote:
Wed Mar 28, 2018 4:06 pm
Just a thought, you are using the latest 13-3-2018 version of Rasbian on your RPi3B+ units, aren't you(?).
No, I have been using an image from 2014 of 2015 for all of my Raspberries. I have kept it up2date with apt and rpi-update (every couple of months or so).

Do you have any reason to believe this is / could be causing the problems I have been experiencing?

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 10:52 pm

I will keep you updated on any findings/results, thank you for your suggestion.
Only half an hour of running a 3B+ with the suggested parameter added to the installation's /boot/config.txt, the network stack (or USB) stack is experiencing all kinds of problems again. I was using dd to read another pi's sdhc card (inserted into a USB card reader attached to this particular 3B+) and write its output to an NFS share:

[ 1636.320009] nfs: server 192.168.9.50 not responding, still trying
[ 1636.320270] nfs: server 192.168.9.50 not responding, still trying
[ 1636.320472] nfs: server 192.168.9.50 not responding, still trying
[ 1636.320665] nfs: server 192.168.9.50 not responding, still trying
[ 1636.320861] nfs: server 192.168.9.50 not responding, still trying
[ 1636.321054] nfs: server 192.168.9.50 not responding, still trying
[ 1672.160096] nfs: server 192.168.9.50 not responding, still trying

[email protected]:~# ifconfig -a eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.9.24 netmask 255.255.255.0 broadcast 192.168.9.255
ether b8:27:eb:0a:74:65 txqueuelen 1000 (Ethernet)
RX packets 99795 bytes 9004938 (8.5 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 11219 bytes 266550276 (254.2 MiB)
TX errors 4 dropped 4 overruns 0 carrier 0 collisions 0

[email protected]:~#

dd output:

Thu Nov 3 18:19:40 CET 2016
^C721+0 records in
720+0 records out
1509949440 bytes (1.5 GB, 1.4 GiB) copied, 2093.15 s, 721 kB/s
^C
^C^C^C^C
[email protected]:~#

The dd command was piped through pxz, which accounts for the discrepancy between the amount of bytes read from the cardreader and being sent to the nfs server (this is intended).

some ethtool output :
[email protected]:~# ethtool -i eth0
driver: lan78xx
version: 1.0.6
firmware-version:
expansion-rom-version:
bus-info: usb-3f980000.usb-1.1.1
supports-statistics: yes
supports-test: no
supports-eeprom-access: yes
supports-register-dump: no
supports-priv-flags: no
[email protected]:~# ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbag
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
[email protected]:~# ethtool -S eth0
NIC statistics:
RX FCS Errors: 0
RX Alignment Errors: 0
Rx Fragment Errors: 0
RX Jabber Errors: 0
RX Undersize Frame Errors: 0
RX Oversize Frame Errors: 0
RX Dropped Frames: 5
RX Unicast Byte Count: 13633143
RX Broadcast Byte Count: 7938
RX Multicast Byte Count: 0
RX Unicast Frames: 155857
RX Broadcast Frames: 99
RX Multicast Frames: 0
RX Pause Frames: 0
RX 64 Byte Frames: 255
RX 65 - 127 Byte Frames: 150537
RX 128 - 255 Byte Frames: 3594
RX 256 - 511 Bytes Frames: 59
RX 512 - 1023 Byte Frames: 10
RX 1024 - 1518 Byte Frames: 1501
RX Greater 1518 Byte Frames: 0
EEE RX LPI Transitions: 0
EEE RX LPI Time: 0
TX FCS Errors: 0
TX Excess Deferral Errors: 0
TX Carrier Errors: 0
TX Bad Byte Count: 0
TX Single Collisions: 0
TX Multiple Collisions: 0
TX Excessive Collision: 0
TX Late Collisions: 0
TX Unicast Byte Count: 441844176
TX Broadcast Byte Count: 1280
TX Multicast Byte Count: 0
TX Unicast Frames: 297584
TX Broadcast Frames: 20
TX Multicast Frames: 0
TX Pause Frames: 0
TX 64 Byte Frames: 182
TX 65 - 127 Byte Frames: 3651
TX 128 - 255 Byte Frames: 1635
TX 256 - 511 Bytes Frames: 894
TX 512 - 1023 Byte Frames: 852
TX 1024 - 1518 Byte Frames: 290390
TX Greater 1518 Byte Frames: 0
EEE TX LPI Transitions: 0
EEE TX LPI Time: 0
[email protected]:~#
Please let me know if you are interested in other feedback or if you would like to have me doing any other tests that might shed some insight.

jamesh
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Re: Ethernet Problems PI3 B+

Wed Mar 28, 2018 10:53 pm

fuxjezz wrote:
Wed Mar 28, 2018 10:26 pm
k-pi wrote:
Wed Mar 28, 2018 4:06 pm
Just a thought, you are using the latest 13-3-2018 version of Rasbian on your RPi3B+ units, aren't you(?).
No, I have been using an image from 2014 of 2015 for all of my Raspberries. I have kept it up2date with apt and rpi-update (every couple of months or so).

Do you have any reason to believe this is / could be causing the problems I have been experiencing?
It would be worth trying actress image, just to see if things improve.
Principal Software Engineer at Raspberry Pi (Trading) Ltd.
Contrary to popular belief, humorous signatures are allowed. Here's an example...
“I think it’s wrong that only one company makes the game Monopoly.” – Steven Wright

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Thu Mar 29, 2018 6:57 am

The kernel log shows this for the pxz task btw :
[32069.702410] INFO: task pxz:1687 blocked for more than 120 seconds.
[32069.708030] Tainted: G C 4.14.30-v7+ #1102
[32069.713709] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[32069.719759] pxz D 0 1687 1652 0x00000004
[32069.725920] [<80784138>] (__schedule) from [<807847b0>] (schedule+0x50/0xa8)
[32069.732162] [<807847b0>] (schedule) from [<8014b0d4>] (io_schedule+0x20/0x40)
[32069.738416] [<8014b0d4>] (io_schedule) from [<8021c9a8>] (wait_on_page_bit+0x110/0x130)
[32069.744840] [<8021c9a8>] (wait_on_page_bit) from [<8021caa8>] (__filemap_fdatawait_range+0xe0/0x114)
[32069.751360] [<8021caa8>] (__filemap_fdatawait_range) from [<8021ef88>] (filemap_write_and_wait_range+0x68/0xa4)
[32069.758160] [<8021ef88>] (filemap_write_and_wait_range) from [<80396900>] (nfs_file_fsync+0x38/0x26c)
[32069.764994] [<80396900>] (nfs_file_fsync) from [<802c0364>] (vfs_fsync_range+0x68/0xc8)
[32069.771975] [<802c0364>] (vfs_fsync_range) from [<802c03f8>] (vfs_fsync+0x34/0x3c)
[32069.779096] [<802c03f8>] (vfs_fsync) from [<803c9a20>] (nfs4_file_flush+0x84/0x94)
[32069.786169] [<803c9a20>] (nfs4_file_flush) from [<80286998>] (filp_close+0x40/0x8c)
[32069.793445] [<80286998>] (filp_close) from [<802aa700>] (put_files_struct+0xb4/0x10c)
[32069.800721] [<802aa700>] (put_files_struct) from [<802aa810>] (exit_files+0x58/0x5c)
[32069.808162] [<802aa810>] (exit_files) from [<80121de0>] (do_exit+0x398/0xb9c)
[32069.815562] [<80121de0>] (do_exit) from [<8012267c>] (do_group_exit+0x4c/0xe4)
[32069.823007] [<8012267c>] (do_group_exit) from [<80122734>] (__wake_up_parent+0x0/0x30)
[32069.830485] [<80122734>] (__wake_up_parent) from [<80108080>] (ret_fast_syscall+0x0/0x28)
ps reports the job hanging on io_sch :
[email protected]:~# ps alxww | head -n 1 ; ps alxww | grep pxz | grep -v grep
F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND
0 0 1687 1652 20 0 0 0 io_sch D+ pts/1 60:05 [pxz]
Setting the link to 100mbit full duplex (in stead of 1000mbit full duplex) makes no difference.

jahboater
Posts: 4842
Joined: Wed Feb 04, 2015 6:38 pm

Re: Ethernet Problems PI3 B+

Thu Mar 29, 2018 7:19 am

I really think you should download the latest 13-3-2018 version of Raspbian now, from here
https://www.raspberrypi.org/downloads/raspbian/
and stick it on a spare sd card. Boot that, and if it still doesn't work come back here!
Otherwise its just wasting peoples time, including yours.

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Thu Mar 29, 2018 9:57 am

jahboater wrote:
Thu Mar 29, 2018 7:19 am
I really think you should download the latest 13-3-2018 version of Raspbian now, from here
https://www.raspberrypi.org/downloads/raspbian/
and stick it on a spare sd card. Boot that, and if it still doesn't work come back here!
Otherwise its just wasting peoples time, including yours.
jamesh wrote:
Wed Mar 28, 2018 10:53 pm
It would be worth trying actress image, just to see if things improve.
Ok, ill grab a new image and will try to reproduce the problem running it. I did not notice jamesh his post (in which he suggested the same thing), still getting used to how things look "around here".

jamesh
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Re: Ethernet Problems PI3 B+

Thu Mar 29, 2018 10:03 am

Apologies for "actress", auto correct seemed to think some very odd things there. Should say "latest" IIRC.
Principal Software Engineer at Raspberry Pi (Trading) Ltd.
Contrary to popular belief, humorous signatures are allowed. Here's an example...
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fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Thu Mar 29, 2018 6:20 pm

jamesh wrote:
Thu Mar 29, 2018 10:03 am
Apologies for "actress", auto correct seemed to think some very odd things there. Should say "latest" IIRC.
Yeah right ;)

I've configured a new instance with the latest Raspbian image as its base ( I've kept a full log of every action performed on the vanilla image should anybody be interested).

Unfortunately, the issue still persists. The symptoms are exactly the same as those experienced whilst using my "original" image :(

I seems I have found a way to make the 3B+ I am testing with more usable though. Since I disabled hardware checksum offloading prior to running the pxz / dd job, it ran without errors (albeit slightly capped I presume). Although I've rather bluntly disabled all offloading in stead of experimenting with the various offloading options with a bit more finesse, I'm quite happy the 3B+ I'm running the tests on actually finishes its assigned job (hurray; progress!). The ethtool command :

[pre]
ethtool --offload eth0 rx off tx off
[/pre]

enables my task for this particular pi to run without errors. I've got another 3B doing a fair amount of IO on an NFS share, Ill be trying to replace that for another 3B+ next up (hope the same workaround will prove to be effective).

If somebody has another workaround (one that does not cap the performance/throughput as much for instance..): I'm all ears!

rasputin2018
Posts: 1
Joined: Thu Mar 29, 2018 1:59 pm

Re: Ethernet Problems PI3 B+

Thu Mar 29, 2018 6:25 pm

With the latest lite version, I had having a similar issue. There was no light on ethernet port.

Update: Changing the ethernet cable worked. It seems like the one I had was only for a specific device or something.
Last edited by rasputin2018 on Sat Mar 31, 2018 1:41 pm, edited 1 time in total.

Sebastian
Posts: 6
Joined: Tue Jul 17, 2012 5:01 pm

Re: Ethernet Problems PI3 B+

Fri Mar 30, 2018 10:06 am

The offload disabling described before solved the problem on my pi3b+ also.
I use it as an NFS server for captured TV content. The symptom I faced can be reproduced with an NFS client mounting the NFS share and doing a simple dd read from a file there. Initially the read rate is at around 35MB/s, but then suddenly stalls to basically nothing. The pi3b+ reports in dmesg:
[61008.386245] rpc-srv/tcp: nfsd: sent only 130428 when sending 131180 bytes - shutting down socket
[61042.306536] rpc-srv/tcp: nfsd: sent only 126708 when sending 131180 bytes - shutting down socket
[61077.506824] rpc-srv/tcp: nfsd: sent only 130428 when sending 131180 bytes - shutting down socket

Before disabling offload my test from an intel NUC NFS client basically failed to read the complete file:
[email protected]:/mnt3/Xena$ dd if=Xena.mkv of=/dev/null bs=1M
^C682+0 records in <<-- here I tried to intr the dd, it took several minutes to react.
681+0 records out
714080256 bytes (714 MB, 681 MiB) copied, 1106.08 s, 646 kB/s

Then on the pi3b+ I did
[email protected]:~# ethtool --offload eth0 rx off tx off
Actual changes:
rx-checksumming: off
tx-checksumming: off
tx-checksum-ip-generic: off
tcp-segmentation-offload: off
tx-tcp-segmentation: off [requested on]
tx-tcp6-segmentation: off [requested on]

Followed by a new test on the NUC client (no fresh mount, no fresh export in between):
[email protected]:/mnt3/Xena$ dd if=Xena.mkv of=/dev/null bs=1M
1476+1 records in
1476+1 records out
1548186959 bytes (1.5 GB, 1.4 GiB) copied, 44.6525 s, 34.7 MB/s

Here is some information about the software version on the pi3b+:
[email protected]:~# uname -a
Linux raspberry03 4.9.80-v7+ #1098 SMP Fri Mar 9 19:11:42 GMT 2018 armv7l GNU/Linux
[email protected]:~# dpkg -l | grep -i nfs
rc liblockfile1:armhf 1.14-1 armhf NFS-safe locking library
ii libnfsidmap2:armhf 0.25-5.1 armhf NFS idmapping library
ii nfs-common 1:1.3.4-2.1 armhf NFS support files common to client and server
ii nfs-kernel-server 1:1.3.4-2.1 armhf support for NFS kernel server

jamesh
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Re: Ethernet Problems PI3 B+

Fri Mar 30, 2018 11:49 am

Interesting. Thanks for the information. Another area to look in to!!

Amazing how many little niggling bugs are coming out of the woodwork now that large numbers of devices are out there. Given this is a pre-existing bit of hardware with a pre-existing driver (neither developed by us), one would have hoped all this stuff would have worked straight out of the box.

Although it's quite interesting to note that the previous ethernet controller had a bug in the checksum HW...I wonder...
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Contrary to popular belief, humorous signatures are allowed. Here's an example...
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davidcoton
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Re: Ethernet Problems PI3 B+

Fri Mar 30, 2018 11:56 am

jamesh wrote:
Thu Mar 29, 2018 10:03 am
Apologies for "actress", auto correct seemed to think some very odd things there. Should say "latest" IIRC.
I wondered who the acress image was? Marilyn Munroe? :lol:
Signature retired

fuxjezz
Posts: 8
Joined: Tue Mar 27, 2018 10:35 pm

Re: Ethernet Problems PI3 B+

Mon Apr 02, 2018 8:45 pm

I've got another 3B doing a fair amount of IO on an NFS share, Ill be trying to replace that for another 3B+ next up (hope the same workaround will prove to be effective).
That specific raspberry I've implemented the workaround on is also reacting positively :)

Without the workaround the system's network stack behaves erratically, with the workaround implemented it behaves as expected.

drgeoff
Posts: 9924
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Re: Ethernet Problems PI3 B+

Mon Apr 02, 2018 9:42 pm

davidcoton wrote:
Fri Mar 30, 2018 11:56 am
jamesh wrote:
Thu Mar 29, 2018 10:03 am
Apologies for "actress", auto correct seemed to think some very odd things there. Should say "latest" IIRC.
I wondered who the acress image was? Marilyn Munroe? :lol:
Never heard of her. But Marilyn Monroe was quite famous at the time. :)

mangodan2003
Posts: 24
Joined: Thu Apr 23, 2015 1:10 pm

Re: Ethernet Problems PI3 B+

Mon May 21, 2018 8:48 am

since the latest rpi-update my pis frequently crash early on in kernel start up. Succeeds maybe 1 in 4 or 5 tries.

4.14.39-v7+

However when it does boot the problem with my rsync script causing the rpi to lockup seems to be resolved.

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DougieLawson
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Re: Ethernet Problems PI3 B+

Mon May 21, 2018 5:39 pm

mangodan2003 wrote:
Mon May 21, 2018 8:48 am
since the latest rpi-update my pis frequently crash early on in kernel start up. Succeeds maybe 1 in 4 or 5 tries.

4.14.39-v7+

However when it does boot the problem with my rsync script causing the rpi to lockup seems to be resolved.
Stop using sudo rpi-update since you clearly don't understand what it delivers (experimental kernel and experimental bootcode). sudo apt install --reinstall raspberrypi-kernel will get you back to the supported 4.14.34-v7+ kernel.
Note: Having anything humorous in your signature is completely banned on this forum. Wear a tin-foil hat and you'll get a ban.

Any DMs sent on Twitter will be answered next month.

This is a doctor free zone.

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HawaiianPi
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Re: Ethernet Problems PI3 B+

Mon May 21, 2018 9:50 pm

Why do people keep using rpi-update? That is NOT the way to keep your system up to date. As Dougie said, it installs testing branch software that may be buggy and unstable. You should not use rpi-update unless specifically instructed to do so by one of the Raspbian developers or RPF engineers.

The proper way to keep your system up to date is:

Code: Select all

sudo apt update && sudo apt full-upgrade -y
Or, if you prefer apt-get.

Code: Select all

sudo apt-get update && sudo apt-get dist-upgrade -y
My mind is like a browser. 27 tabs are open, 9 aren't responding,
lots of pop-ups...and where is that annoying music coming from?

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