Opened 13 years ago
Last modified 8 years ago
#8683 closed defect
TSO broken with 82540EM — at Initial Version
| Reported by: | Christian Spann | Owned by: | |
|---|---|---|---|
| Component: | other | Version: | VirtualBox 4.0.4 |
| Keywords: | networking TSO loss dup ack | Cc: | |
| Guest type: | Linux | Host type: | Linux |
Description
DiskDumps to a NFS Share on the host via a bridged network are super slow due to heavy loss, dup acks and out of order packets.
Disabling TSO with ethtool --offload eth0 tso off fixes the issue
Change History (2)
by , 13 years ago
by , 13 years ago
| Attachment: | slownfs_small.pcap added |
|---|
Pcap network log of the slow discdump showing the dup acks and retransmissions
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Logfile of the corresponding vm