*** This bug is a duplicate of bug 1930754 ***
https://bugs.launchpad.net/bugs/1930754
** This bug has been marked a duplicate of bug 1930754
e1000e extremly slow
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I can confirm good receive speeds using the patches from #93 against
5.15-rc2 (including one atomisp compile fix) on a Lenovo T14 G2 running
Ubuntu 20.04. Looking forward for the official backport!
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Will backport it once the fix hits
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git
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https://bugs.launchpad.net/bugs/1927925
Title:
Massive network
I applied the patch in #93 to linux/drivers/net/ethernet/intel/e1000e,
and then built a new e1000e module and tested it on a ThinkPad T15. This
issue was fixed in my testing.
Notes: the online version of patch in #93 is here:
https://patchwork.ozlabs.org/project/intel-wired-
Hi,
WW38.2'21: Confirmed Intel LAN issue; promoted to LAN engineering. Please see
further details below.
Please verify the issue again with FIA wa.7z, which should be final solution
candidate.
Root cause:
The power management flow on TGL shut down a clock that is required for
exiting from K1
Hi Shengyao,
According to Lenovo, the issue can be reproduced on a failed system in Windows
environment. Would you please try? If you can see the same result, let's do
debug in Windows environment.
Please provide your system information for me to understand if it is vPro or
non-vPro system.
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Hi Shengyao,
Thanks; I thought the option is to disable GbE. I will find correct option for
you.
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Title:
Massive network problems
@Rex, we have already tried the method of:
echo on > /sys/bus/pci/devices/\:00\:16.0/power/control
It can fix this issue, same to comments #77 and #78.
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@Shengyao Xue,
1.) Intel suspected that this Lenovo issue might be related to this issue:
https://bugs.launchpad.net/somerville/+bug/1933807 on Intel vPro system. Lenovo
did mention that vPro systems have the same issue.
2.) Intel SW debug engineer is adding some debug prints to the I219
Hi Andreas,
Can you please share whether your system is a Intel vPro system?
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https://bugs.launchpad.net/bugs/1927925
Title:
Massive network problems with I219-V on
I am having a similar issue with my Thinkpad L15 Gen2 (Intel), running
Ubuntu 21.04 with Kernel 5.11.0-25-generic: After a suspend/resume
cycle, the LAN interface only receives at very low speed (less than 1
MBit/sec reported by iperf). So far only rebooting brought back the full
speed (approx.
modprobe i2c_hid_acpi fixes the touchpad on Fujitsu U7x11
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2
This https://lkml.org/lkml/2021/7/12/2926 also worked for an Fujitsu U7411.
However no touchpad at this moment, but the network part is working.
Hope this finds it's way to the next kernel.
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No, I simply implement the workaround in the kernel. Since ME isn't
supported under Linux, there's a high chance that there won't be any
proper solution soon.
The patch can be found here:
https://lkml.org/lkml/2021/7/12/2926
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Is there a final root cause for all of this? I'm very interested in the
explanation or some link to the specific commits that solve the
issue(s).
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Rebooted with the 5.13.0-10007-oem kernel and the first test run was
successful. Transfer speeds are as expected, no errors reported by
ethtool on rx_errors or rx_crc_errors.
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This one should work:
https://people.canonical.com/~khfeng/lp1927925-e1000e-device-links/
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Title:
Massive network problems with
Just booted the provided kernel from #79. Without any of the
workarounds, network connectivity is still broken. Using the MEI fix
from #77 fixes the problem.
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Roland, please test this kernel:
https://people.canonical.com/~khfeng/e1000e-me-workaround/
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Title:
Massive network problems with
Just tested, after:
$ echo on | sudo tee /sys/bus/pci/devices/\:00\:16.0/power/control
I do get good rx speeds.
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Title:
@Roland, could you please test the workaround in this bug:
https://bugzilla.kernel.org/show_bug.cgi?id=213651
by change the status of the MEI device power control status.
$ lspci -vvnns 16 // config 16 is the number of MEI device
$ echo on | sudo tee
Just for reference, the same/a similar bug has been posted to the netdev
mailing list by another user.
https://www.spinics.net/lists/netdev/msg743850.html
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I reported another weird discovery in
https://bugzilla.kernel.org/show_bug.cgi?id=213377#c13.
Booted without any additional kernel parameters, I can "fix" the
download speed if I plug in an USB stick. That would explain why the
installation works in the first place, because I booted ubuntu live
That would be strange. After systemctl hibernate, the system went into
hibernation, I got the resume message while booting and the system state
was restored just as before hibernation. The system was not just
suspended. I had to go through grub and the hard disk decryption
password.
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Roland, the log shows it didn't really hibernate.
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
The current kernel was started using the kernel parameter, speeds where
fine. I did hibernate, restart the laptop, and now network was broken.
I did another reboot afterwards, booting clean with kernel parameter but
now network connectivity is still broken.
I am not able to spot the system
Rolan, can you please attach dmesg after hibernation wakeup?
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2
I just tested this, but after hibernation, the same network errors occur
as before.
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Title:
Massive network problems with I219-V on
Can you please try to Hibernate your laptop to disk, then start it again
and test the LAN connection? On my Fujitsu S7311 with I219-LM with
Ubuntu kernel 5.10.0-18-generic hibernating running OS to disk and then
turning it on makes LAN working as expected without any error (no
special kernel
Are there any more informations under which specific configuration (like
modules, kernel parameters etc.)
https://ubuntu.com/certified/202104-28912 has been tested?
As described in the kernel bugtracker, the behaviour seems to flip from
time to time - sometimes already tested kernels do not work
https://bugzilla.kernel.org/show_bug.cgi?id=213377
While testing, I reverted back to the original ubuntu OEM kernel 1026
and discovered, that the max_cstate-Parameter does not help while using
that kernel.
** Bug watch added: Linux Kernel Bug Tracker #213377
OK, so we know two things now:
1) The issue happens when the CPU reaches deeper power saving state, likely
PC10.
2) Temporarily increase CPU usage via cpu_latency_qos_add_request() to disable
C-State doesn't help.
So please file an upstream bug at https://bugzilla.kernel.org/
Product: Drivers
Just booted the kernel from #64 without the parameter - downloads suffer
from slow speeds, ethtool reports rx_errors and rx_crc_errors again.
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Thanks for the testing. Please give this kernel a try without any parameter:
https://people.canonical.com/~khfeng/lp1927925-qos/
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Just booted with "intel_idle.max_cstate=1" added to the kernel cmdline.
This seems to have fixed the problem. Network speeds are as expected,
ethtool shows no errors after some big network transfers. Tested the
kernel from #59 and the default 5.8.0-55-generic, both work when
** Tags added: oem-priority
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
Status in OEM Priority
Does kernel parameter "intel_idle.max_cstate=1" help?
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
Attached the corresponding dmesg output for the last tested kernel.
** Attachment added: "dmesg-oem-2030.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5502454/+files/dmesg-oem-2030.log
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Tried the kernel from #59, receive speeds are still very poor.
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2
Please give this one a try:
https://people.canonical.com/~khfeng/lp1920674-2/
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Title:
Massive network problems with I219-V on
Attached dmesg of a fresh boot with the Kernel from #52.
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5502354/+files/dmesg.log
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I meant boot the kernel in #52 and attach dmesg...
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
@Gabriel, could you try to fix the speed at 1Gbps and disable AN?
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2
Please refer to the dmesg.log, thanks.
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5502273/+files/dmesg.log
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** Changed in: oem-priority
Status: Incomplete => Confirmed
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Title:
Massive network problems with I219-V on Thinkpad T14
Can you please attach dmesg? Thanks!
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Title:
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
Status in OEM
This seems even worse - the local download grinds to a complete halt.
ethtool shows errors on rx_errors and rx_crc_errors.
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Title:
Please give this kernel a try:
https://people.canonical.com/~khfeng/lp1927925/
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Title:
Massive network problems with I219-V on
In addition, I did some download tests in my local network: using the
internal network adapter, I get download speeds around 1MB/s, varying
from a few kB to 3MB/sec, if I switch to the attached USB network
adapter I get constant rates above 90MB/sec, nearly saturating the
gigabit network.
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Additional information: I just did an internet speed test via
speedtest.net (I'm connected on 100/40 DSL). While using the internal
network card I get around 40MBit upstream (as expected) but only around
3MBit downstream. Switching to the attached USB network adapter, I
instantly get around 40MBit
apport information
** Tags added: focal
** Description changed:
I recently got a Thinkpad T14 Gen2 with a I219-V network adapter
(8086:15fc). I get very slow connection speeds and even total loss of
connectivity without seeing much in the logs (like dmesg etc.). ethtool
reports CRC
I reinstalled Ubuntu 20.04 after the certification was granted (even
that was more than painful) to test out the OEM kernel, the logs are
indeed from my previous installation of 21.04. At that time, the laptop
was not certified at all so i tried the newest version after
encountering the described
@Roland, I tested on a T14 Gen2 laptop and a T15 Gen2 (share the same
i219-v card to T14), cannot reproduce this issue so far.
the logs you attached seems based on Ubuntu 21.04 with 5.11.0-16 kernel,
since this laptop certified with Ubuntu 20.04 with 5.10.0-10xx-oem
kernel, could you pls attached
** Also affects: oem-priority
Importance: Undecided
Status: New
** Changed in: oem-priority
Importance: Undecided => Critical
** Changed in: oem-priority
Assignee: (unassigned) => Bin Li (binli)
** Changed in: oem-priority
Assignee: Bin Li (binli) => Shengyao Xue
I still encounter very bad network connectivity using the
5.10.0-1026-oem kernel while running Ubuntu 20.04.
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Title:
Massive
This laptop has been certified for 20.04 using the latest OEM kernel:
https://certification.ubuntu.com/hardware/202104-28912
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Title:
This has also been reported here:
https://sourceforge.net/p/e1000/bugs/688/
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Title:
Massive network problems with I219-V on
apport information
** Tags added: apport-collected hirsute
** Description changed:
I recently got a Thinkpad T14 Gen2 with a I219-V network adapter
(8086:15fc). I get very slow connection speeds and even total loss of
connectivity without seeing much in the logs (like dmesg etc.). ethtool
** Attachment added: "Output ethtool -i"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5496035/+files/ethtool_i.txt
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** Attachment added: "Output ethtool"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5496032/+files/ethtool.txt
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** Attachment added: "Output ethtool -S"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5496037/+files/ethtool_S.txt
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** Attachment added: "Output ip link show dev"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5496038/+files/link.txt
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I also tried fedora 34 (kernel 5.11) on this notebook with the same
behaviour, so this seems to be a general kernel/driver-problem. The pre-
installed windows on this notebook does not have any problems regarding
network connectivity.
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