ssh client hangs on remote reboot

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linga.kartheek
Posts: 1
Joined: 2020/07/10 17:46:08

ssh client hangs on remote reboot

Post by linga.kartheek » 2020/07/10 17:57:10

Hi,

I am trying to run "ssh root@x.x.x.x reboot" from one of my primary blade to reboot secondary blade.
I see ssh client getting hanged until secondary blade comes up.
From Journal logs i see sshd client sessions not getting SIGTERM to exit on reboot in secondary blade. Interfaces are getting closed first and sshd service is stopped by systemd.
I see similar issue which got fixed in Redhat and Debian.
https://bugzilla.redhat.com/show_bug.cgi?id=626477
https://bugs.debian.org/cgi-bin/bugrepo ... bug=751636

Centos details i am using:
uname -r => 3.10.0-862.14.4.el7.x86_64
cat /etc/redhat-release => CentOS Linux release 7.3.1611 (Core)

I am executing this command from a perl script using system function.
Can some one through some light on this and help me in identifying the root cause.

Thanks,
Karthik

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