netdev - Re: e1000_clean_tx_irq: Detected Tx Unit Hang

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Message-ID: <477E92E3.1000202@intel.com>
Date:	Fri, 04 Jan 2008 12:11:15 -0800
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	Badalian Vyacheslav <slavon@...telecom.ru>
CC:	netdev@...r.kernel.org
Subject: Re: e1000_clean_tx_irq: Detected Tx Unit Hang - it's bug?

Badalian Vyacheslav wrote:
> 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>

might be a bug. What kernel version are you using? it appears the tx handler was
just sitting idle and this message might be bogus, which is one of the things that
we fixed recently.

Auke
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