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SubjectRe: niu lock-up (Transmit timed out, resetting) and NETDEV WATCHDOG
On 26 March 2013 13:44, Andrew Brooks <arb@sat.dundee.ac.uk> wrote:
>
> Using niu driver for this card: Oracle/SUN Multithreaded 10-Gigabit
> Ethernet Network Controller and after a period the interface will hang
> with errors every 5 seconds
> "niu: xxx: eth2: Transmit timed out, resetting"
>
> Sometimes also in syslog are messages
> WARNING: at sch_generic:255 dev_watchdog
> NETDEV WATCHDOG: eth2 (niu): transmit queue 10 timed out

Do you think this could be caused by a problem I've seen reported
by other machines on the network
"received unsolicited ack for DL_UNITDATA_REQ on nxge0" ?
Is there some bad packet flying around that causes the
niu driver to lock up the kernel?


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