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strace on inetd (was RE: bash failed to initialize ontelnet/rsh/ rlogin server)
- From: "Polley Christopher W" <PolleyChristopherW at JohnDeere dot com>
- To: "'cygwin at cygwin dot com'" <cygwin at cygwin dot com>
- Date: Wed, 27 Mar 2002 14:20:35 -0600
- Subject: strace on inetd (was RE: bash failed to initialize ontelnet/rsh/ rlogin server)
- Reply-to: cygwin at cygwin dot com
I can't get strace to give any output against inetd. (which I'm trying to
trace with -f to catch the startup of login.exe)
Here's what I tried:
$ ps -a
PID PPID PGID WINPID TTY UID STIME COMMAND
1636 1 1636 1636 0 13721 12:32:03 /usr/bin/rxvt
1576 1636 1576 604 1 13721 12:32:03 /usr/bin/bash
1252 1 1252 1252 ? 18 12:42:57 /usr/sbin/inetd
1796 1252 1252 1796 ? 18 12:42:57 /usr/sbin/inetd
580 1 580 580 4 13721 13:44:44 /usr/bin/rxvt
1244 580 1244 1356 5 13721 13:44:45 /usr/bin/bash
1732 1244 1732 1604 5 13721 13:46:40 /usr/bin/ps
$ strace -p 1252 -f all
<<returns immediately>>
$ strace -p 1252 all
<<returns immediately>>
$ strace -p 1252 -f
<<returns immediately>>
$ strace -p 1796 -f all
<<returns immediately>>
$ strace -p 1796 all
<<returns immediately>>
$ strace -p 1796 -f
<<sits at command line with no output, even during sucessful 'telnet
localhost'>>
<<Ctrl+C gets command prompt, but kills both inetd's>>
diverting output to a file with the -o option has no effect.
leaving off the -f has no effect, either
Are there more complete instructions to strace besides --help, the Cygwin
user guide, or winsup/utils/utils.sgml (all essentially the same thing)?
Thanks,
Chris
> -----Original Message-----
> From: Christopher Faylor [SMTP:cygwin@cygwin.com]
> Sent: Wednesday, March 27, 2002 12:18 PM
> To: cygwin@cygwin.com
> Subject: Re: bash failed to initialize on telnet/rsh/rlogin server
>
> On Wed, Mar 27, 2002 at 09:05:20AM -0600, Polley Christopher W wrote:
> >So now that I know how to isolate the problem, is there a way to strace
> >a daemon?
>
> strace -p pid
>
> cgf
>
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