[Bug 1263] connection sharing often freezes

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=1263





------- Comment #8 from vincent at vinc17.org  2006-11-20 14:13 -------
(In reply to comment #3)
> Can you replicate this with unpatched openssh-4.5 at each end? Debian
> seems to include quite a few patches that may be breaking things.

I also get a freeze, but I don't get the same debug messages!

prunille:~/wd> svn diff -c 14924 > /dev/null
executing ssh
OpenSSH_4.5p1, OpenSSL 0.9.8d 28 Sep 2006
debug1: Reading configuration data /Users/vinc17/.ssh/config
debug1: /Users/vinc17/.ssh/config line 5: Deprecated option
"FallBackToRsh"
debug1: Applying options for ay
debug1: Applying options for *

When ssh doesn't freeze, the next debug line is:

debug3: Normalising mapped IPv4 in IPv6 address

The master.log still ends with:

debug1: client_input_channel_req: channel 1 rtype exit-status reply 0
debug1: channel 1: free: client-session, nchannels 2
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: channel 0: free: client-session, nchannels 1
debug1: fd 26 clearing O_NONBLOCK

and the server debug messages ended with:

debug1: session_by_channel: session 0 channel 0
debug1: session_close_by_channel: channel 0 child 0
debug1: session_close: session 0 pid 0
debug2: channel 0: gc: user detached
debug2: channel 0: is dead
debug2: channel 0: garbage collecting
debug1: channel 0: free: server-session, nchannels 1
debug3: channel 0: status: The following connections are open:
  #0 server-session (t4 r0 i3/0 o3/0 fd 9/9 cfd -1)

debug3: channel 0: close_fds r 9 w 9 e -1 c -1

in the first test, and in a second test:

debug1: server_input_channel_req: channel 0 request exec reply 0
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req exec
debug2: fd 9 setting O_NONBLOCK
debug3: fd 9 is O_NONBLOCK
debug2: fd 11 setting O_NONBLOCK
debug2: channel 0: read 413 from efd 11
debug2: channel 0: rwin 131072 elen 413 euse 1
debug2: channel 0: sent ext data 413
debug2: channel 0: read 35 from efd 11
debug2: channel 0: rwin 130659 elen 35 euse 1
debug2: channel 0: sent ext data 35




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