The message of 'Tx Unit Hang' is displayed under the e1000 driver on Red Hat Enterprise Linux 5.3

Solution Unverified - Updated -

Issue

  • The following messages are displayed.

  kernel: e1000: eth7: e1000_clean_tx_irq: Detected Tx Unit Hang
  kernel:   Tx Queue             <0>
  kernel:   TDH                  <fb>
  kernel:   TDT                  <fc>
  kernel:   next_to_use          <fc>
  kernel:   next_to_clean        <fb>
  kernel: buffer_info[next_to_clean]
  kernel:  time_stamp           <100012f62>
  kernel:   next_to_watch        <fb>
  kernel:   jiffies              <100012f62>
  kernel:   next_to_watch.status <0>

Environment

  •   Red Hat Enterprise Linux 5.3
  •   Kernel Version: 2.6.18-128.1.1.el5
  •   e1000 driver

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