I tested the Proxmox kernel with the integrated commit, and commit
de37faf4 solves the problem described here.
So I think your problem is a different bug.
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Can you also test Tim's kernel?
If that works, you're having the same problem.
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Title:
Severe network performance issues with Kernel 6.8.0-53 and
Can you test Kernel 6.14? or any Mainline Kernel >6.12 ?
Ubuntu Mainline Kernel 6.14.2:
https://kernel.ubuntu.com/mainline/v6.14.2/
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Title:
Seve
try:
ethtool --offload generic-receive-offload off
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Title:
Severe network performance issues with Kernel 6.8.0-53 and 6.11.0-17
(Xubuntu) on
** Tags added: kernel-fixed-upstream
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Title:
Severe network performance issues with Kernel 6.8.0-53 and 6.11.0-17
(Xubuntu) on Proxmox 8.3 (bnx
New Informations:
The bug is in the `bnxt_en` driver. A fix already exists (commit
de37faf41ac5).
It appears that this fix is not yet included in the Ubuntu 6.8.0 kernel.
The current Proxmox kernel is 6.8.12-9, based on Ubuntu 6.8.0-58.60.
Would it be possible to include this commit in the next
** Tags added: kernel-bug-reported-upstream
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Title:
Severe network performance issues with Kernel 6.8.0-53 and 6.11.0-17
(Xubuntu) on Proxmox 8
Hi Torsten,
sorry for the late reply — I’ve been tied up with other work over the
past few weeks.
I’ve now reported the issue (including the bisect result and commit
49d14b54a527) on the virtualization mailing list:
https://lore.kernel.org/virtualization/1d388413ab9cfd765cd2c5e05b5e69cdb2ec5a10.
bad
mfohrer@kb-test:~$ wget -O /dev/null http://speedtest.belwue.net/10G
--2025-03-04 06:51:30-- http://speedtest.belwue.net/10G
Resolving speedtest.belwue.net (speedtest.belwue.net)... 129.143.4.238,
2001:7c0::238
Connecting to speedtest.belwue.net (speedtest.belwue.net)|129.143.4.238|:80...
c
is good
mfohrer@kb-test:~$ wget -O /dev/null http://speedtest.belwue.net/10G
--2025-03-02 07:17:18-- http://speedtest.belwue.net/10G
Resolving speedtest.belwue.net (speedtest.belwue.net)... 129.143.4.238,
2001:7c0::238
Connecting to speedtest.belwue.net (speedtest.belwue.net)|129.143.4.238|:80..
Hello Tim,
0001-9c7ca38 good
0002-436fa21 bad
0003-f874d1d bad
0004-a672ef9 good
0005-eb5d92d good
0006-d3caa84 bad
0007-bf8e481 bad
0008-af10b06 good
0009-4c5cc45 bad
0010-37c9f14 bad
37c9f14850805ba7a1acdf9aad3ee3950f7945ba is the first bad commit
commit 37c9f14850805ba7a1acdf9aad3ee3950f7945ba
bad
mfohrer@kb-test:~$ wget -O /dev/null http://speedtest.belwue.net/10G
--2025-02-28 06:31:29-- http://speedtest.belwue.net/10G
Resolving speedtest.belwue.net (speedtest.belwue.net)... 129.143.4.238,
2001:7c0::238
Connecting to speedtest.belwue.net (speedtest.belwue.net)|129.143.4.238|:80...
is good
mfohrer@kb-test:~$ wget -O /dev/null http://speedtest.belwue.net/10G
--2025-02-27 06:01:49-- http://speedtest.belwue.net/10G
Resolving speedtest.belwue.net (speedtest.belwue.net)... 129.143.4.238,
2001:7c0::238
Connecting to speedtest.belwue.net (speedtest.belwue.net)|129.143.4.238|:80..
is good
mfohrer@kb-test:~$ wget -O /dev/null http://speedtest.belwue.net/10G
--2025-02-26 06:43:50-- http://speedtest.belwue.net/10G
Resolving speedtest.belwue.net (speedtest.belwue.net)... 129.143.4.238,
2001:7c0::238
Connecting to speedtest.belwue.net (speedtest.belwue.net)|129.143.4.238|:80..
Is not working.
sysadmin@hostname:~$ wget -O /dev/null http://speedtest.belwue.net/10G
--2025-02-25 09:21:02-- http://speedtest.belwue.net/10G
Auflösen des Hostnamens speedtest.belwue.net (speedtest.belwue.net) …
129.143.4.238, 2001:7c0::238
Verbindungsaufbau zu speedtest.belwue.net
(speedtest
Is not working:
sysadmin@hostname:~$ wget -O /dev/null http://speedtest.belwue.net/10G
/dev/null 0%[ ] 261,30K 102KB/s
^C
sysadmin@hostname:~$ uname -ar
Linux hostname 6.8.0-53-generic #54 SMP PREEMPT_DYNAMIC Sat Feb 22 02:20:44 UTC
2025 x
Hi,
uname -r
6.6.30-060630-generic
6.5.0-060500-generic
6.7.0-060700-generic
no changes.
E1000 slow
virtio okay
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Title:
Severe network perform
Hi Tim,
I also tested the provided test kernel and the issue was completely
resolved.
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Title:
Severe network performance issues with Kernel 6.8.
Public bug reported:
Since upgrading to Kernel 6.8.0-53 and 6.11.0-17 on Xubuntu 22.04/24.04
VMs, we are experiencing extremely low network speeds (100-200 KB/s)
when running these VMs in a Proxmox 8.3.4 cluster with AMD CPUs and
Broadcom NetXtreme-E network adapters (bnxt_en driver).
With Ke
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