I made test with clean 3.10
ethtool -K eth0 gso off
and there is no lock up
There is problem in transfering to hyper-v host SG lists generated by gso or
something like that.
It may be there from beginning, sg was probably not used before.
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@jsalisbury, I compiled own kernel from linux-stable git tree
git checkout tags/v3.10
git revert ec5f061564238892005257c83565a0b58ec79295
After that I don't see any lock up downloading files from server
ethtool -k eth0 now have
scatter-gather: off
tx-scatter-gather: off [requested on]
I bisected my problem and have same result as Joao Correia -
https://lkml.org/lkml/2013/5/29/480
After running as suggested
#ethtool -K eth0 sg off
everythnig is ok, no network lock up on 3.10 kernel
ec5f061564238892005257c83565a0b58ec79295 is the first bad commit
commit ec5f061564238892005257c83
3.10-rc1 - lock up EVERYTIME after SCP server sends first bigger data block
(data or big folder listing)
(from tcpdump more than 3 x 1460 data bytes +1xrest bytes - only 1,2,3 packets
are visible on wire)
3.9.9 downloading from SCP server 2.5GB (many bz2,gz files) work's ok
I may have hit anothe
I'm seeing a network lock up on sys-kernel/gentoo-sources-3.10.0 kernel.
But I don't have any lock up on sys-kernel/gentoo-sources-3.9.1 running
from 12.5.2013
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** Also affects: gentoo
Importance: Undecided
Status: New
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1200243
Title:
Network lock up Windows Azure/Hyper-V
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