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hw tcp v4 csum failed

 
Morscher Bernhard
New Member

hw tcp v4 csum failed

compaq proliant 380 DL with Dual Xeon Processor, RedHat 7.3 kernel: 2.4.18-3
I get multiple entries in dmesg:
hw tcp v4 csum failed
after some time some processes stops (like smtp) and I can not login on console or with ssh, only a reboot can help.
Have anyone a idea?
Thanks
mobe
1 REPLY 1
Sergejs Svitnevs
Honored Contributor

Re: hw tcp v4 csum failed

Disable ECN: echo 0 > /proc/sys/net/ipv4/tcp_ecn

Regards,
Sergejs