** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
** Changed in: hwe-next
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1973104
Title:
e1000e report hardware hang
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.17 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Fix Released
Status in linux-oem-5.17 source package in Jammy:
Fix Released
Bug description:
[Impact]
e1000e hardware unit hang after s2idle
May 06 15:34:49 ubuntu kernel: e1000e 0000:00:1f.6 enp0s31f6: Detected
Hardware Unit Hang:
TDH <1>
TDT <5>
next_to_use <5>
next_to_clean <1>
buffer_info[next_to_clean]:
time_stamp <1000587f0>
next_to_watch <1>
jiffies <1000589c0>
next_to_watch.status <0>
MAC Status <40080283>
PHY Status <796d>
PHY 1000BASE-T Status <3800>
PHY Extended Status <3000>
PCI Status <10>
[Fix]
Below commits fix this issue which have been included in v5.19-rc8
https://patchwork.ozlabs.org/project/intel-wired-lan/patch/[email protected]/
6cfa45361d3e Revert "e1000e: Fix possible HW unit hang after an s0ix exit"
b49feacbeffc e1000e: Enable GPT clock before sending message to CSME
[Test]
Verified on the target machine, and confirmed the issue is gone.
[Where problems could occur]
The impact is low, it keeps the GPT clock enabled for CSME when
e1000e_pm_resume() is called. With the new fix, the old workaround could be
removed. I can't see this may introduce any regression.
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