On 2023-06-23 00:26, Chris Roehrig via Cygwin wrote:
I've upgraded cygwin recently (from a much older version) and am encountering a
new problem on all my Win10/WIn11 machines.
With openssh and pv installed on cygwin (3.4.7-1):
dd if=/dev/zero bs=1 count=65536 | ssh localhost 'cat > /dev/null' # works
dd if=/dev/zero bs=1 count=65537 | ssh localhost 'cat > /dev/null' # stalls
(and anything larger)
dd if=/dev/zero bs=1 count=65537 | ssh localhost 'pv > /dev/null' # replace
'cat' with 'pv' and it works
This happens with or without Windows Firewall enabled, with any input > 64k, and
also remotely from Linux.
It also seems to affect scp to cygwin which stalls if the file is >= 64k
In case equivalent Windows services are running, I check for, shut down, and
disable the following Windows services I have seen, or seen warnings about,
before trying to start Cygwin services:
ssh ssh-agent sshbroker sshproxy sshd sshdbroker sshdproxy
Do you take similar precautions on the Windows systems with issues?
Please show at least the output of `uname -srvmo`, and if possible provide a
text attachment of the output log from running `cygcheck -hrsv > cygcheck.out`,
as suggested under the Problem reports link below.
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Take care. Thanks, Brian Inglis Calgary, Alberta, Canada
La perfection est atteinte Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer but when there is no more to cut
-- Antoine de Saint-Exupéry
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