Hello!
scp hangs while copying file over a certain size. Here's the output of
scp in verbose mode:
scp -v test.pdf pc:
Executing: program /usr/bin/ssh host pc, user (unspecified), command
scp -v -t .
OpenSSH_5.1p1, OpenSSL 0.9.8j 07 Jan 2009
debug1: Reading configuration data /home/user/.ssh/config
debug1: Applying options for pc
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 192.168.0.21 [192.168.0.21] port 22.
debug1: Connection established.
debug1: identity file /home/user/.ssh/identity type -1
debug1: identity file /home/user/.ssh/id_rsa type -1
debug1: identity file /home/user/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version
OpenSSH_5.1
debug1: match: OpenSSH_5.1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.1
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host '192.168.0.21' is known and matches the RSA host key.
debug1: Found key in /home/user/.ssh/known_hosts:10
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Trying private key: /home/user/.ssh/identity
debug1: Trying private key: /home/user/.ssh/id_rsa
debug1: Trying private key: /home/user/.ssh/id_dsa
debug1: Next authentication method: password
[1]user at 192.168.0.2's password:
debug1: Authentication succeeded (password).
debug1: channel 0: new [client-session]
debug1: Requesting [2]no-more-sessions at openssh.com
debug1: Entering interactive session.
debug1: Sending command: scp -v -t .
Sending file modes: C0600 33843 test.pdf
Sink: C0600 33843 test.pdf
test.pdf 100% 33KB 33.1KB/s
00:00
^Cdebug1: channel 0: free: client-session, nchannels 1
debug1: fd 0 clearing O_NONBLOCK
debug1: fd 1 clearing O_NONBLOCK
Killed by signal 2.
The Terminal writes he uploaded 100% but the file is emtpy (0 byte).
The openssh version used in cygwin seems to have a similar problem
with dual core machines. I'm using Archlinux on a dual core.
Does anybody has the same problem?
Regards,
Michael
References
1. mailto:user at 192.168.0.2
2. mailto:no-more-sessions at openssh.com
