I think this issue has been finally fixed recently after several attempts. The
patches haven't hit the mainline kernel yet but should have been fixed in the
intel-wired-lan kernel:
85988cbc0f22 ("e1000e: Enable GPT clock before sending message to CSME",
2022-06-27)
There's a commit following that as well reverting one of the previous attempts
to fix things:
46d6a94581e8 ("Revert "e1000e: Fix possible HW unit hang after an s0ix exit"",
2022-06-27)
The intel-wired-lan kernel can be found at:
https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git/
Todd Fujinaka
Software Application Engineer
Ethernet Products Group
Intel Corporation
[email protected]
-----Original Message-----
From: Martin Kratochvíl via E1000-devel <[email protected]>
Sent: Friday, June 17, 2022 10:49 PM
To: [email protected]
Subject: [E1000-devel] bug I219 - e1000e on VLAN network - Detected Hardware
Unit Hang - kernel 5.15.44
Hello,
i try 3 pieces of Gigabyte Technology Co., Ltd. H410M H V3/H410M H V3, BIOS FC
03/25/2022 with integrated intel ethernet card I219_V14
The problem is, that card is working only few second, than stop for few second
and repeating infinitely.
It happen on busy network with vlan. Syslog at bottom
Problem detected on vanilla kernel 5.15.44. I could test newer kernel, but
there is no e1000e changes yet.
Hardware:
00:1f.6 Ethernet controller: Intel Corporation Device 15fa (rev 11)
Subsystem: Gigabyte Technology Co., Ltd Device e000
Flags: bus master, fast devsel, latency 0, IRQ 123
Memory at 51300000 (32-bit, non-prefetchable) [size=128K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: e1000e
Kernel modules: e1000e
User solution to avoid this problem is disabling tx and rx checksumming on card.
#ethtool -K eth0 tx off rx off
But the problem is in the driver (e1000e) for this network card. For another
intel card this driver works fine. Another network module works fine too.
Is it possible, at first, make something to disable checksumming when module is
loaded for this I219_V14?
I try download and compile latest e1000e version 3.8.7 against kernel
5.15.44 but its incompatible.
Syslog with problem when enabled checksumming on card
100.781868] e1000e 0000:00:1f.6 eth0: Detected Hardware Unit Hang:
TDH <d8>
TDT <28>
next_to_use <28>
next_to_clean <d8>
buffer_info[next_to_clean]:
time_stamp <fffceb0c>
next_to_watch <d8>
jiffies <fffcf580>
next_to_watch.status <0>
MAC Status <40080083>
PHY Status <796d>
PHY 1000BASE-T Status <3800>
PHY Extended Status <3000>
PCI Status <10>
[ 102.765865] e1000e 0000:00:1f.6 eth0: Detected Hardware Unit Hang:
TDH <d8>
TDT <28>
next_to_use <28>
next_to_clean <d8>
buffer_info[next_to_clean]:
time_stamp <fffceb0c>
next_to_watch <d8>
jiffies <fffcfd40>
next_to_watch.status <0>
MAC Status <40080083>
PHY Status <796d>
PHY 1000BASE-T Status <3800>
PHY Extended Status <3000>
PCI Status <10>
[ 104.813867] e1000e 0000:00:1f.6 eth0: Detected Hardware Unit Hang:
TDH <d8>
TDT <28>
next_to_use <28>
next_to_clean <d8>
buffer_info[next_to_clean]:
time_stamp <fffceb0c>
next_to_watch <d8>
jiffies <fffd0540>
next_to_watch.status <0>
MAC Status <40080083>
PHY Status <796d>
PHY 1000BASE-T Status <3800>
PHY Extended Status <3000>
PCI Status <10>
--
*Bc. Martin Kratochvíl*
jednatel Altnet s.r.o. facebook icon <https://www.facebook.com/skvely.net>
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