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IDProjectCategoryView StatusDate SubmittedLast Update
0000510AlmaLinux-9kernelpublic2025-06-02 15:562025-06-02 15:56
Reportersimpfeld Assigned To 
PriorityhighSeveritycrashReproducibilityrandom
Status newResolutionopen 
Summary0000510: e1000e Device hangs and stops ethernet responding
DescriptionStarting with Alma 9.6 kernel 5.14.0-570.17.1.el9_6.x86_64 and on the latest 5.14.0-570.18.1.el9_6.x86_64, we see suddenly:

Jun 2 13:50:00 almach kernel: e1000e 0000:00:19.0 enp0s25: Detected Hardware Unit Hang:0000012 TDH <1>0000012 TDT <4d>0000012 next_to_use <4d>0000012 next_to_clean <0>#012buffer_info[next_to_clean]:
0000012 time_stamp <10e78731e>0000012 next_to_watch <1>0000012 jiffies <10e7b2640>0000012 next_to_watch.status <0>#012MAC Status <80083>#012PHY Status <796d>#012PHY 1000BASE-T Status <3c00>#0
12PHY Extended Status <3000>#012PCI Status <10>
Jun 2 13:50:02 almach kernel: e1000e 0000:00:19.0 enp0s25: Detected Hardware Unit Hang:0000012 TDH <1>0000012 TDT <4d>0000012 next_to_use <4d>0000012 next_to_clean <0>#012buffer_info[next_to_clean]:
0000012 time_stamp <10e78731e>0000012 next_to_watch <1>0000012 jiffies <10e7b2e00>0000012 next_to_watch.status <0>#012MAC Status <80083>#012PHY Status <796d>#012PHY 1000BASE-T Status <3c00>#0
12PHY Extended Status <3000>#012PCI Status <10>
Jun 2 13:50:03 almach kernel: e1000e 0000:00:19.0 enp0s25: Detected Hardware Unit Hang:0000012 TDH <1>0000012 TDT <4d>0000012 next_to_use <4d>0000012 next_to_clean <0>#012buffer_info[next_to_clean]:
0000012 time_stamp <10e78731e>0000012 next_to_watch <1>0000012 jiffies <10e7b35c0>0000012 next_to_watch.status <0>#012MAC Status <80083>#012PHY Status <796d>#012PHY 1000BASE-T Status <3c00>#0
12PHY Extended Status <3000>#012PCI Status <10>
Jun 2 13:50:06 almach kernel: e1000e 0000:00:19.0 enp0s25: Detected Hardware Unit Hang:0000012 TDH <1>0000012 TDT <4d>0000012 next_to_use <4d>0000012 next_to_clean <0>#012buffer_info[next_to_clean]:
0000012 time_stamp <10e78731e>0000012 next_to_watch <1>0000012 jiffies <10e7b3dc0>0000012 next_to_watch.status <0>#012MAC Status <80083>#012PHY Status <796d>#012PHY 1000BASE-T Status <3c00>#0
12PHY Extended Status <3000>#012PCI Status <10>

This then hangs the users NFS homedir so the machine stops.

This didn't happen on Alma 9.5 kernels

Steps To Reproduce1/ Just heavy network use on machine with a NIC using an e1000e driver
2/ There is some some suggestion that using VLAN tags on your card may trigger this.
Additional InformationThe only Alma discussion I have seen on this is here:

https://forums.almalinux.org/t/e1000e-bug-in-5-14-0-570-12-1-el9-6-x86-64/5915

These bugs seem possibly the upstream of this in the kernel, that seem to have worsened recently. e1000e in 9.6 kernel rebased?


https://bugzilla.kernel.org/show_bug.cgi?id=118721
https://bugzilla.kernel.org/show_bug.cgi?id=219489

I can't see anything upstream. Trying the disabling all offloads workaround.

Two different cards that we have seen this on:

driver: e1000e
version: 5.14.0-570.18.1.el9_6.x86_64
firmware-version: 0.13-4
expansion-rom-version:
bus-info: 0000:00:19.0

driver: e1000e
version: 5.14.0-570.18.1.el9_6.x86_64
firmware-version: 2.3-4
expansion-rom-version:
bus-info: 0000:00:1f.6
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Date Modified Username Field Change
2025-06-02 15:56 simpfeld New Issue