Incoming scp locks up the network

[James_Ward]

I am running 16.04 beta 2 on MacBookAir5,2. I tried to copy an El Capitan to it from an El Capitan MacBook Pro and every time I did, the copy would go for ~140M and then lock the network on the Air. I resolved it by restarting the Air's network. This is over WiFi.

jeward@ward-MacBookAir:~$ lsb_release -rd
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04
jeward@ward-MacBookAir:~$ apt-cache policy openssh-server
openssh-server:
  Installed: 1:7.2p2-2
  Candidate: 1:7.2p2-2
  Version table:
 *** 1:7.2p2-2 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

[James_Ward (james-ward)]

El Capitan ISO, that should read...

[Colin Watson (cjwatson)]

This seems like it must be a kernel bug; at this level scp is just an ordinary userspace program using the network, and shouldn't be *able* to lock it up if the kernel is behaving correctly.

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1568319

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Joseph Salisbury (jsalisbury)]

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.6 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-rc4-wily/

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]