RHEL 5 Network problems - eth0: e1000_clean_tx_irq: Detected Tx Unit Hang

[Bliss, Aaron]

"recently I installed RHEL 5 on a brand new server"
	-what kind of server hardware...check to make sure your network card is supported properly...

-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com] On Behalf Of Götz Reinicke
Sent: Tuesday, April 03, 2007 5:40 AM
To: General Red Hat Linux discussion list
Subject: RHEL 5 Network problems - eth0: e1000_clean_tx_irq: Detected Tx Unit Hang

Hi,

recently I installed RHEL 5 on a brand new server. Doing a yum update, I 
noticed some networkproblems - network slowdown and stopping at all.

Doing some googling on the log message told me to do a "ethtool -K eth0 
tso off" but this didn't solve the troblem. After one ... two ... 
minutes the problem is still there.

The kernel is 2.6.18-8.1.1.el5.

Any ideas what to check or any hints? What information may I provide?


The logmessage is:

Apr  2 21:12:52 server10504 kernel: e1000: eth0: e1000_clean_tx_irq: 
Detected Tx Unit Hang
Apr  2 21:12:52 server10504 kernel:   Tx Queue             <0>
Apr  2 21:12:52 server10504 kernel:   TDH                  <ca>
Apr  2 21:12:52 server10504 kernel:   TDT                  <cb>
Apr  2 21:12:52 server10504 kernel:   next_to_use          <cb>
Apr  2 21:12:52 server10504 kernel:   next_to_clean        <ca>
Apr  2 21:12:52 server10504 kernel: buffer_info[next_to_clean]
Apr  2 21:12:52 server10504 kernel:   time_stamp           <115faf5>
Apr  2 21:12:52 server10504 kernel:   next_to_watch        <ca>
Apr  2 21:12:52 server10504 kernel:   jiffies              <115ff5d>
Apr  2 21:12:52 server10504 kernel:   next_to_watch.status <0>
Apr  2 21:12:54 server10504 kernel: e1000: eth0: e1000_clean_tx_irq: 
Detected Tx Unit Hang
Apr  2 21:12:54 server10504 kernel:   Tx Queue             <0>
Apr  2 21:12:54 server10504 kernel:   TDH                  <ca>
Apr  2 21:12:54 server10504 kernel:   TDT                  <cb>
Apr  2 21:12:54 server10504 kernel:   next_to_use          <cb>
Apr  2 21:12:54 server10504 kernel:   next_to_clean        <ca>
Apr  2 21:12:54 server10504 kernel: buffer_info[next_to_clean]
Apr  2 21:12:54 server10504 kernel:   time_stamp           <115faf5>
Apr  2 21:12:54 server10504 kernel:   next_to_watch        <ca>
Apr  2 21:12:54 server10504 kernel:   jiffies              <116072d>
Apr  2 21:12:54 server10504 kernel:   next_to_watch.status <0>
Apr  2 21:12:56 server10504 kernel: e1000: eth0: e1000_clean_tx_irq: 
Detected Tx Unit Hang
Apr  2 21:12:56 server10504 kernel:   Tx Queue             <0>
Apr  2 21:12:56 server10504 kernel:   TDH                  <ca>
Apr  2 21:12:56 server10504 kernel:   TDT                  <cb>
Apr  2 21:12:56 server10504 kernel:   next_to_use          <cb>
Apr  2 21:12:56 server10504 kernel:   next_to_clean        <ca>
Apr  2 21:12:56 server10504 kernel: buffer_info[next_to_clean]
Apr  2 21:12:56 server10504 kernel:   time_stamp           <115faf5>
Apr  2 21:12:56 server10504 kernel:   next_to_watch        <ca>
Apr  2 21:12:56 server10504 kernel:   jiffies              <1160efd>
Apr  2 21:12:56 server10504 kernel:   next_to_watch.status <0>
Apr  2 21:12:57 server10504 kernel: NETDEV WATCHDOG: eth0: transmit 
timed out
Apr  2 21:13:00 server10504 kernel: e1000: eth0: e1000_watchdog: NIC 
Link is Up 1000 Mbps Full Duplex



-- 
Götz Reinicke
IT Koordinator

Tel. +49 7141 969 420
Fax  +49 7141 969 55 420
E-Mail goetz.reinicke at filmakademie.de

Filmakademie Baden-Württemberg GmbH
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www.filmakademie.de

Eintragung Amtsgericht Stuttgart HRB 205016
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Dr. Christoph Palmer, MdL, Minister a.D.

Geschäftsführer:
Prof. Thomas Schadt
Hans-Joachim Steck

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