I have found that ssh hangs semi-consistently, when it's stdout is piped to
another process.
I say semi-consistently, because it's not happening on all of our machines,
but it is consistent for any of the problem machines. Furthermore, the
command must actually produce output to standard out. The remote command is
actually finishing, and as a far as I can tell, is terminating cleanly and
correctly.
Here is an easy way to reproduce it:
ssh [EMAIL PROTECTED] ls -a | wc -l
The following work fine:
ssh [EMAIL PROTECTED] ls -a
ssh [EMAIL PROTECTED] ls -a >/dev/null
My cygcheck.out file is attached. ssh reports it's version as SSH version
OpenSSH_3.9p1, OpenSSL 0.9.7e 25 Oct 2004
The destination host does not appear to matter (I've tested against
cygwin-sshd, and a linux box).
This has my very baffled, and concerned. Any help appreciated.
David Corbin
Cygwin Configuration Diagnostics
Current System Time: Mon Oct 24 12:48:24 2005
Windows .NET Server Ver 5.2 Build 3790 Service Pack 1
Path: C:\WINDOWS\system32
C:\WINDOWS
C:\WINDOWS\System32\Wbem
D:\JDK\bin
c:\Program Files\Symantec\pcAnywhere\
D:\cygwin\bin
D:\JDK\bin
Output from D:\cygwin\bin\id.exe (nontsec)
UID: 500(Administrator) GID: 513(None)
513(None)
Output from D:\cygwin\bin\id.exe (ntsec)
UID: 500(Administrator) GID: 513(None)
0(root) 513(None) 544(Administrators)
545(Users)
SysDir: C:\WINDOWS\system32
WinDir: C:\WINDOWS
HOME = `c:\documents and settings\Administrator'
PWD = `/cygdrive/e'
ALLUSERSPROFILE = `C:\Documents and Settings\All Users'
APPDATA = `C:\Documents and Settings\Administrator\Application Data'
CLUSTERLOG = `C:\WINDOWS\Cluster\cluster.log'
COMMONPROGRAMFILES = `C:\Program Files\Common Files'
COMPUTERNAME = `BOINSTALL'
COMSPEC = `C:\WINDOWS\system32\cmd.exe'
CYGWIN_HOME = `D:\cygwin'
ENTTEK_HOME = `d:\enttek'
FP_NO_HOST_CHECK = `NO'
HOMEDRIVE = `C:'
HOMEPATH = `\Documents and Settings\Administrator'
JAVA_HOME = `D:\JDK'
JBOSS_HOME = `d:\jboss'
JBOSS_JAVA_OPTS = `-Xmx512m -Xms128m -XX:NewSize=64m'
LOGONSERVER = `\\BOINSTALL'
MYSQL_HOME = `d:\mysql'
NUMBER_OF_PROCESSORS = `1'
OLDPWD = `/home/Administrator'
OS = `Windows_NT'
PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
PROCESSOR_ARCHITECTURE = `x86'
PROCESSOR_IDENTIFIER = `x86 Family 15 Model 2 Stepping 9, GenuineIntel'
PROCESSOR_LEVEL = `15'
PROCESSOR_REVISION = `0209'
PROGRAMFILES = `C:\Program Files'
RUBY_HOME = `D:\ruby'
SESSIONNAME = `Console'
SHLVL = `1'
SYSTEMDRIVE = `C:'
SYSTEMROOT = `C:\WINDOWS'
TEMP = `C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp'
TERM = `cygwin'
TMP = `C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp'
USERDOMAIN = `BOINSTALL'
USERNAME = `Administrator'
USERPROFILE = `C:\Documents and Settings\Administrator'
WINDIR = `C:\WINDOWS'
_ = `/usr/bin/cygcheck.exe'
POSIXLY_CORRECT = `1'
HKEY_CURRENT_USER\Software\Cygnus Solutions
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
(default) = 0x00000022
cygdrive prefix = `/cygdrive'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/
(default) = `D:\cygwin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/home
(default) = `c:\documents and settings'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
(default) = `D:\cygwin/bin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
(default) = `D:\cygwin/lib'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options
a: fd N/A N/A
c: hd NTFS 10276Mb 32% CP CS UN PA FC Main
d: hd NTFS 27884Mb 8% CP CS UN PA FC Apps
e: hd NTFS 25610Mb 72% CP CS UN PA FC Masters
f: hd NTFS 4097Mb 38% CP CS UN PA FC Page File
g: hd NTFS 8453Mb 27% CP CS UN PA FC Backup
D:\cygwin / system binmode
c:\documents and settings /home system binmode
D:\cygwin/bin /usr/bin system binmode
D:\cygwin/lib /usr/lib system binmode
. /cygdrive system binmode,cygdrive
Found: D:\cygwin\bin\awk.exe
Found: D:\cygwin\bin\bash.exe
Found: D:\cygwin\bin\cat.exe
Found: D:\cygwin\bin\cp.exe
Not Found: cpp (good!)
Found: D:\cygwin\bin\find.exe
Not Found: gcc
Not Found: gdb
Found: D:\cygwin\bin\grep.exe
Not Found: ld
Found: D:\cygwin\bin\ls.exe
Not Found: make
Found: D:\cygwin\bin\mv.exe
Found: D:\cygwin\bin\rm.exe
Found: D:\cygwin\bin\sed.exe
Found: D:\cygwin\bin\sh.exe
Found: D:\cygwin\bin\tar.exe
55k 2004/09/14 D:\cygwin\bin\cygbz2-1.dll - os=4.0 img=1.0 sys=4.0
"cygbz2-1.dll" v0.0 ts=2004/9/14 0:16
18k 2004/07/06 D:\cygwin\bin\cygcharset-1.dll - os=4.0 img=1.0 sys=4.0
"cygcharset-1.dll" v0.0 ts=2004/7/6 14:09
7k 2003/10/19 D:\cygwin\bin\cygcrypt-0.dll - os=4.0 img=1.0 sys=4.0
"cygcrypt-0.dll" v0.0 ts=2003/10/19 3:57
846k 2004/12/11 D:\cygwin\bin\cygcrypto-0.9.7.dll - os=4.0 img=1.0 sys=4.0
"cygcrypto-0.9.7.dll" v0.0 ts=2004/12/11 6:04
40k 2004/10/10 D:\cygwin\bin\cygform-8.dll - os=4.0 img=1.0 sys=4.0
"cygform-8.dll" v0.0 ts=2004/10/10 4:33
45k 2001/04/25 D:\cygwin\bin\cygform5.dll - os=4.0 img=1.0 sys=4.0
"cygform5.dll" v0.0 ts=2001/4/25 1:28
35k 2002/01/09 D:\cygwin\bin\cygform6.dll - os=4.0 img=1.0 sys=4.0
"cygform6.dll" v0.0 ts=2002/1/9 1:03
48k 2003/08/09 D:\cygwin\bin\cygform7.dll - os=4.0 img=1.0 sys=4.0
"cygform7.dll" v0.0 ts=2003/8/9 5:25
28k 2003/07/20 D:\cygwin\bin\cyggdbm-3.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm-3.dll" v0.0 ts=2003/7/20 3:58
30k 2003/08/11 D:\cygwin\bin\cyggdbm-4.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm-4.dll" v0.0 ts=2003/8/10 22:12
19k 2003/03/22 D:\cygwin\bin\cyggdbm.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm.dll" v0.0 ts=2002/2/19 22:05
15k 2003/07/20 D:\cygwin\bin\cyggdbm_compat-3.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm_compat-3.dll" v0.0 ts=2003/7/20 4:00
15k 2003/08/11 D:\cygwin\bin\cyggdbm_compat-4.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm_compat-4.dll" v0.0 ts=2003/8/10 22:13
17k 2001/06/28 D:\cygwin\bin\cyghistory4.dll - os=4.0 img=1.0 sys=4.0
"cyghistory4.dll" v0.0 ts=2001/1/6 23:34
29k 2003/08/10 D:\cygwin\bin\cyghistory5.dll - os=4.0 img=1.0 sys=4.0
"cyghistory5.dll" v0.0 ts=2003/8/10 19:16
25k 2004/10/12 D:\cygwin\bin\cyghistory6.dll - os=4.0 img=1.0 sys=4.0
"cyghistory6.dll" v0.0 ts=2004/10/12 2:51
991k 2004/07/06 D:\cygwin\bin\cygiconv-2.dll - os=4.0 img=1.0 sys=4.0
"cygiconv-2.dll" v0.0 ts=2004/7/6 14:10
22k 2001/12/13 D:\cygwin\bin\cygintl-1.dll - os=4.0 img=1.0 sys=4.0
"cygintl-1.dll" v0.0 ts=2001/12/13 4:28
37k 2003/08/10 D:\cygwin\bin\cygintl-2.dll - os=4.0 img=1.0 sys=4.0
"cygintl-2.dll" v0.0 ts=2003/8/10 17:50
54k 2004/07/06 D:\cygwin\bin\cygintl-3.dll - os=4.0 img=1.0 sys=4.0
"cygintl-3.dll" v0.0 ts=2004/7/6 13:51
22k 2004/10/10 D:\cygwin\bin\cygmenu-8.dll - os=4.0 img=1.0 sys=4.0
"cygmenu-8.dll" v0.0 ts=2004/10/10 4:33
26k 2001/04/25 D:\cygwin\bin\cygmenu5.dll - os=4.0 img=1.0 sys=4.0
"cygmenu5.dll" v0.0 ts=2001/4/25 1:27
20k 2002/01/09 D:\cygwin\bin\cygmenu6.dll - os=4.0 img=1.0 sys=4.0
"cygmenu6.dll" v0.0 ts=2002/1/9 1:03
29k 2003/08/09 D:\cygwin\bin\cygmenu7.dll - os=4.0 img=1.0 sys=4.0
"cygmenu7.dll" v0.0 ts=2003/8/9 5:25
21k 2004/10/22 D:\cygwin\bin\cygminires.dll - os=4.0 img=1.0 sys=4.0
"cygminires.dll" v0.0 ts=2004/10/22 16:28
74k 2004/10/10 D:\cygwin\bin\cygncurses++-8.dll - os=4.0 img=1.0 sys=4.0
"cygncurses++-8.dll" v0.0 ts=2004/10/10 4:33
156k 2001/04/25 D:\cygwin\bin\cygncurses++5.dll - os=4.0 img=1.0 sys=4.0
"cygncurses++5.dll" v0.0 ts=2001/4/25 1:29
175k 2002/01/09 D:\cygwin\bin\cygncurses++6.dll - os=4.0 img=1.0 sys=4.0
"cygncurses++6.dll" v0.0 ts=2002/1/9 1:03
216k 2004/10/10 D:\cygwin\bin\cygncurses-8.dll - os=4.0 img=1.0 sys=4.0
"cygncurses-8.dll" v0.0 ts=2004/10/10 4:25
226k 2001/04/25 D:\cygwin\bin\cygncurses5.dll - os=4.0 img=1.0 sys=4.0
"cygncurses5.dll" v0.0 ts=2001/4/25 1:17
202k 2002/01/09 D:\cygwin\bin\cygncurses6.dll - os=4.0 img=1.0 sys=4.0
"cygncurses6.dll" v0.0 ts=2002/1/9 1:03
224k 2003/08/09 D:\cygwin\bin\cygncurses7.dll - os=4.0 img=1.0 sys=4.0
"cygncurses7.dll" v0.0 ts=2003/8/9 5:24
13k 2004/10/10 D:\cygwin\bin\cygpanel-8.dll - os=4.0 img=1.0 sys=4.0
"cygpanel-8.dll" v0.0 ts=2004/10/10 4:32
15k 2001/04/25 D:\cygwin\bin\cygpanel5.dll - os=4.0 img=1.0 sys=4.0
"cygpanel5.dll" v0.0 ts=2001/4/25 1:27
12k 2002/01/09 D:\cygwin\bin\cygpanel6.dll - os=4.0 img=1.0 sys=4.0
"cygpanel6.dll" v0.0 ts=2002/1/9 1:03
19k 2003/08/09 D:\cygwin\bin\cygpanel7.dll - os=4.0 img=1.0 sys=4.0
"cygpanel7.dll" v0.0 ts=2003/8/9 5:24
62k 2003/12/11 D:\cygwin\bin\cygpcre-0.dll - os=4.0 img=1.0 sys=4.0
"cygpcre-0.dll" v0.0 ts=2003/12/11 12:01
63k 2003/04/11 D:\cygwin\bin\cygpcre.dll - os=4.0 img=1.0 sys=4.0
"cygpcre.dll" v0.0 ts=2003/4/11 4:31
9k 2003/12/11 D:\cygwin\bin\cygpcreposix-0.dll - os=4.0 img=1.0 sys=4.0
"cygpcreposix-0.dll" v0.0 ts=2003/12/11 12:01
61k 2003/04/11 D:\cygwin\bin\cygpcreposix.dll - os=4.0 img=1.0 sys=4.0
"cygpcreposix.dll" v0.0 ts=2003/4/11 4:31
22k 2002/06/09 D:\cygwin\bin\cygpopt-0.dll - os=4.0 img=1.0 sys=4.0
"cygpopt-0.dll" v0.0 ts=2002/6/9 1:45
108k 2001/06/28 D:\cygwin\bin\cygreadline4.dll - os=4.0 img=1.0 sys=4.0
"cygreadline4.dll" v0.0 ts=2001/1/6 23:34
148k 2003/08/10 D:\cygwin\bin\cygreadline5.dll - os=4.0 img=1.0 sys=4.0
"cygreadline5.dll" v0.0 ts=2003/8/10 19:16
144k 2004/10/12 D:\cygwin\bin\cygreadline6.dll - os=4.0 img=1.0 sys=4.0
"cygreadline6.dll" v0.0 ts=2004/10/12 2:51
171k 2004/12/11 D:\cygwin\bin\cygssl-0.9.7.dll - os=4.0 img=1.0 sys=4.0
"cygssl-0.9.7.dll" v0.0 ts=2004/12/11 6:04
62k 2004/10/10 D:\cygwin\bin\cygz.dll - os=4.0 img=1.0 sys=4.0
"cygz.dll" v0.0 ts=2004/10/10 0:09
1114k 2004/11/10 D:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
"cygwin1.dll" v0.0 ts=2004/11/10 8:34
Cygwin DLL version info:
DLL version: 1.5.12
DLL epoch: 19
DLL bad signal mask: 19005
DLL old termios: 5
DLL malloc env: 28
API major: 0
API minor: 116
Shared data: 4
DLL identifier: cygwin1
Mount registry: 2
Cygnus registry name: Cygnus Solutions
Cygwin registry name: Cygwin
Program options name: Program Options
Cygwin mount registry name: mounts v2
Cygdrive flags: cygdrive flags
Cygdrive prefix: cygdrive prefix
Cygdrive default prefix:
Build date: Wed Nov 10 08:34:47 EST 2004
Shared id: cygwin1S4
Cygwin Package Information
Last downloaded files to: E:\EntTek\Enttek 3rd party Apps\cygwin-pos
Last downloaded files from: E:\EntTek\Enttek 3rd party Apps\cygwin-pos
Package Version
_update-info-dir 00231-1
ash 20040127-1
base-files 3.2-1
base-passwd 2.1-1
bash 2.05b-16
bzip2 1.0.2-6
coreutils 5.2.1-5
crypt 1.1-1
cygrunsrv 1.0-1
cygutils 1.2.5-1
cygwin 1.5.12-1
cygwin-doc 1.4-1
diffutils 2.8.7-1
editrights 1.01-1
findutils 20041227-1
gawk 3.1.4-3
gdbm 1.8.3-7
grep 2.5-1
groff 1.18.1-2
gzip 1.3.5-1
less 381-1
libbz2_1 1.0.2-6
libcharset1 1.9.2-1
libgdbm 1.8.0-5
libgdbm-devel 1.8.3-7
libgdbm3 1.8.3-3
libgdbm4 1.8.3-7
libiconv 1.9.2-1
libiconv2 1.9.2-1
libintl1 0.10.40-1
libintl2 0.12.1-3
libintl3 0.14.1-1
libncurses5 5.2-1
libncurses6 5.2-8
libncurses7 5.3-4
libncurses8 5.4-1
libpcre 4.1-1
libpcre0 4.5-1
libpopt0 1.6.4-4
libreadline4 4.1-2
libreadline5 4.3-5
libreadline6 5.0-1
login 1.9-7
man 1.5o1-1
minires 1.00-1
mktemp 1.5-3
ncurses 5.4-1
openssh 3.9p1-2
openssl 0.9.7e-1
readline 5.0-1
rsync 2.6.3-1
sed 4.1.2-1
tar 1.13.25-5
termcap 20021106-2
terminfo 5.4_20041009-1
texinfo 4.7-2
which 1.6-1
zlib 1.2.2-1
Use -h to see help about each section
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