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"jiffie" & "WATCHDOG" errors

Article ID: 122
Last updated: 10 Feb, 2009
Views: 2437
Posted: 03 Feb, 2009
by:
Updated: 10 Feb, 2009
by:
Symptom:
Some data are not send to the iSCSI initiator.
 
Problem:
Network has problems while sending packets
[..]
"jiffies <dd2739>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <a5>
TDT <df>
next_to_use <df>
next_to_clean <a3>
buffer_info[next_to_clean]
time_stamp <dd2670>
next_to_watch <a5>
jiffies <dd2801>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>"
"NETDEV WATCHDOG: eth0: transmit timed out
e1000: eth0: e1000_watchdog_task: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang"
[..]
Solution:
Please check your network environment (NICs, switches, cables). Also, sometimes changing the Kernel will fix this. [Go to the Console and enter CTRL + ALT + T then Boot options then select Boot parameters]

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