netdev - e1000_clean_tx_irq: Detected Tx Unit Hang

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Message-ID: <477E2833.70301@bigtelecom.ru>
Date:	Fri, 04 Jan 2008 15:36:03 +0300
From:	Badalian Vyacheslav <slavon@...telecom.ru>
To:	netdev@...r.kernel.org
Subject: e1000_clean_tx_irq: Detected Tx Unit Hang - it's bug?

Hello all.
Some time in dmesg i see this:

[16121.400422] e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
[16121.400426]   Tx Queue             <0>
[16121.400427]   TDH                  <28>
[16121.400429]   TDT                  <28>
[16121.400430]   next_to_use          <28>
[16121.400431]   next_to_clean        <7d>
[16121.400433] buffer_info[next_to_clean]
[16121.400434]   time_stamp           <17b949>
[16121.400435]   next_to_watch        <7d>
[16121.400437]   jiffies              <17ba57>
[16121.400438]   next_to_watch.status <1>
[16121.400968] htb: too many events !

Its bug or overload information?
Thanks
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