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  1. RHEL
  2. RHEL-6349

e1000e Detected Hardware Unit Hang with kernels after 5.14.0-308

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      Description of problem:

      My Dell Precision 3530 experiences ethernet network instability with centos9 stream kernels released after 5.14.0-308. The kernel messages report

      e1000e 0000:00:1f.6 eno1: Detected Hardware Unit Hang:#012 TDH <8e>#012 TDT <9d>#012 next_to_use <9d>#012 next_to_clean <8c>#012buffer_info[next_to_clean]:#012 time_stamp <fffc9bd8>#012 next_to_watch <8e>#012 jiffies <fffcb340>#012 next_to_watch.status <0>#012MAC Status <40080083>#012PHY Status <796d>#012PHY 1000BASE-T Status <3c00>#012PHY Extended Status <3000>#012PCI Status <10>

      Looking at the kernel changelog, it appears to be related to this change, but I have not done a bisect to be sure.

      • Thu May 04 2023 Jan Stancek <jstancek@redhat.com> [5.14.0-308.el9]
      • e1000e: Remove redundant pci_enable_pcie_error_reporting() (Ken Cox) [2153331]
      • e1000e: Enable Link Partner Advertised Support (Ken Cox) [2153331]
      • e1000e: Fix TX dispatch condition (Ken Cox) [2153331]
      • e1000e: Remove unnecessary use of kmap_atomic() (Ken Cox) [2153331]
      • e1000e: Add e1000e trace module (Ken Cox) [2153331]
      • e1000e: Add support for the next LOM generation (Ken Cox) [2153331]
      • e1000e: Separate MTP board type from ADP (Ken Cox) [2153331]

      How reproducible: 100%

      Steps to Reproduce:
      1. Boot into centos9 stream kernel after 5.14.0-308
      2. Attempt to do some network related work, until the e1000e hangs start happening and a reboot is required

              rhn-engineering-jkc Ken Cox (Inactive)
              isu-akrherz Daryl Herzmann (Inactive)
              Daryl Herzmann (Inactive)
              Ken Cox Ken Cox (Inactive)
              Dipali Patel Dipali Patel
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                Created:
                Updated:
                Resolved: