[Arm-dev] SSH/SCP/SFTP stalled with RPI 3B+

Stephan Guilloux

stephan.guilloux at crisalid.com
Wed Jun 27 13:27:22 UTC 2018


Hi all,

I face some strange issues with SSH/SCP/SFTP connection hangs on a 3B+.
While transfering a huge file to a Linux Server, the connection hangs.
I do observe this 100% time, when the file is like 1Gb or more
I never observed this with smaller files, like RPMS.

After some googling, I found the following threads:
   https://github.com/raspberrypi/linux/issues/2449
   https://github.com/raspberrypi/linux/issues/2482

Made some attempts this morning, and I can confirm that I face the 1st one.
I have no time, yet, to check the 2nd thread.

OK. Both threads tend to indicate that TSO should be disabled, by default:
    sudo |ethtool -K eth0 tx-tcp-segmentation off|
and it works perfectly ...

Any chance to have the patch reported to CentOS ?
https://github.com/raspberrypi/linux/commit/d3b70445bcf2ab9b132138dc1d320a286c1a4b68

Regards,


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