Hi all,

We've been running into an issue intermittently with sshd on some of our
Windows images where it appears to be running but stops responding.

Symptoms:
- vm is pingable
- ssh attempts hang, no error message
- packet capture on the vm shows syn from client, syn ack from sshd, ack
from client, then nothing
- sshd.log appears normal
- sshd process does not respond to stop/restart and must be killed
manually, but starts accepting connections after being started again (full
reboot also works)

There's no apparent pattern between the failures that I've been able to
find, even using the same image the failure doesn't happen reliably. I also
haven't been able to isolate the problem to a specific subset of our images
so I haven't been able to compare a broken installation with a working one.
I've also tried updating all the Cygwin packages and re-running the
cygwin-sshd-config.sh script which made no difference.

Has anyone run into something similar?

Thanks,
Cameron

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