*** This bug is a duplicate of bug 1930754 ***
https://bugs.launchpad.net/bugs/1930754
** This bug is no longer a duplicate of bug 1927925
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
** This bug has been marked a duplicate of bug 1930754
e1000e extremly slow
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*** This bug is a duplicate of bug 1927925 ***
https://bugs.launchpad.net/bugs/1927925
** This bug has been marked a duplicate of bug 1927925
Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e)
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Hi Kai-Heng,
this kernel fixes the issue. Thank you! Now i have to fix touchpad that is not
working under 5.13.x :-D.
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https://bugs.launchpad.net/bugs/1931442
Title:
This one should work:
https://people.canonical.com/~khfeng/lp1927925-e1000e-device-links/
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https://bugs.launchpad.net/bugs/1931442
Title:
Fujitsu U7311 I219-LM wired
Hi, I am sorry to report that this kernel is not fixing the issue. Still
the same behavior, once computer goes trough hibernation cycle,
everything works. Dmesg attached. Thank you.
** Attachment added: "dmesg_10006"
Daniel, please test this kernel:
https://people.canonical.com/~khfeng/e1000e-me-workaround/
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Title:
Fujitsu U7311 I219-LM wired
Hi, problem still persist. Dmesg attached. Thank you.
** Attachment added: "dmesg_4006"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931442/+attachment/5509580/+files/dmesg_4006
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Thanks. Please give this a try:
https://people.canonical.com/~khfeng/lp1931442-4/
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Title:
Fujitsu U7311 I219-LM wired onboard slow
Hi, no suspend does not help. Tested with your 5.13.0-3004 kernel and
5.11.0-22-generic. Dmesg attached.
** Attachment added: "dmesg after suspend"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931442/+attachment/5508175/+files/dmesg_suspend
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Instead of hibernate, does suspend help?
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Title:
Fujitsu U7311 I219-LM wired onboard slow RX speeds
Status in linux package in
Hi, dmesg attached, no change.
** Attachment added: "dmesg_3004"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931442/+attachment/5507557/+files/dmesg_3004
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Please give this kernel a test:
https://people.canonical.com/~khfeng/lp1931442-3/
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Title:
Fujitsu U7311 I219-LM wired onboard slow
No it does not, tried to go from 1500 to 9000 and then to 1300 and 1000.
No change at all. Only if i start TX from the LAN interface, then RX is
working as expected. As soon as TX stops, RX comes to crawl. I have
attached iper3 log to show this. The times when speed is in MBits is
when i started
Does changing MTU help?
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Title:
Fujitsu U7311 I219-LM wired onboard slow RX speeds
Status in linux package in Ubuntu:
Confirmed
Hi, it is the same as with the previous kernel 5.13.0-1004. Also since
5.13.x touchpad stopped working (using i2c_hid module). Iperf and dmesg
attached. Thank you.
** Attachment added: "5.13.0_2004_iperf_dmesg"
Thanks, please give this kernel a try:
https://people.canonical.com/~khfeng/lp1931442-2/
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Title:
Fujitsu U7311 I219-LM wired
Here is dmesg after hibernation with 5.13.0 kernel you have provided.
** Attachment added: "dmesg 5.13.0 after hibernation"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931442/+attachment/5506723/+files/dmesg_5.13.0_after_hibernation
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After doing hibernation "trick" iperf3 is working fine every time.
** Attachment added: "iperf3 after hibernation"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931442/+attachment/5506722/+files/iperf_after_hibernation
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Hello Kai-Heng,
i have tested provided kernel and it still suffers from slow speed. Also
noticed, that if i run iperf3 multiple times, it works in one-two passes
and then it slows down to crawl. Then again on the next pass it works as
expected. Please see attached outputs.
** Attachment added:
Please test this kernel:
https://people.canonical.com/~khfeng/lp1931442/
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Title:
Fujitsu U7311 I219-LM wired onboard slow RX speeds
Here is dmesg after resume from disk hibernation.
** Attachment added: "dmesg after resume from hibernate"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931442/+attachment/5506670/+files/dmesg_after_resume
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Can you please attach full dmesg after the issue is workaround by
hibernation resume?
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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I have found workaround to get LAN working. On Ubuntu kernel
5.11.0-18-generic if i boot up system and log in - LAN is not working
correctly - CRC errors etc. If laptop is put into hibernate (save to
swap partition), then turned on and system state restored from
hibernation, LAN adapter is working
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