Date: Wed, 5 Dec 2007 22:56:29 GMT From: heasley <heas@shrubbery.net> To: freebsd-gnats-submit@FreeBSD.org Subject: ports/118452: tcl84 spins trying to close dead pty Message-ID: <200712052256.lB5MuTOw073148@www.freebsd.org> Resent-Message-ID: <200712052300.lB5N02Dc091914@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 118452 >Category: ports >Synopsis: tcl84 spins trying to close dead pty >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-ports-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Dec 05 23:00:02 UTC 2007 >Closed-Date: >Last-Modified: >Originator: heasley >Release: 6.2R >Organization: sni >Environment: 6.2-RELEASE FreeBSD 6.2-RELEASE #1: Mon Jul 23 01:53:25 GMT 2007 root@ns2.routeviews.org:/usr/src/sys/i386/compile/ns2 i386 >Description: rancid with tcl84 results in a spinning expect if the client closes the telnet/ssh connection unexpectedly. >How-To-Repeat: install ports/net/rancid. Create a ~/.cloginrc with: % more ~/.cloginrc # route views add user route-views.routeviews* {rviews} add password route-views.routeviews* {foo} {Xm00-c0w.} add autoenable route-views.routeviews* {0} # EOF now run the command: /usr/local/libexec/rancid/clogin -c "show clock" route-views.routeviews.org This will result in a spinning expect process whose stack trace is: #0 0x28202147 in fcntl () from /lib/libc.so.6 #1 0x0804ddd1 in ExpBlockModeProc () #2 0x280e7e0d in StackSetBlockMode () from /usr/local/lib/libtcl84.so.1 #3 0x280e7e5f in SetBlockMode () from /usr/local/lib/libtcl84.so.1 #4 0x280ea2ba in Tcl_SetChannelOption () from /usr/local/lib/libtcl84.so.1 #5 0x280ea8d0 in TclFinalizeIOSubsystem () from /usr/local/lib/libtcl84.so.1 #6 0x280d2e27 in Tcl_FinalizeThread () from /usr/local/lib/libtcl84.so.1 #7 0x280d2edb in Tcl_Finalize () from /usr/local/lib/libtcl84.so.1 #8 0x280d2fda in Tcl_Exit () from /usr/local/lib/libtcl84.so.1 #9 0x08052397 in Exp_ExitCmd () #10 0x280ae2e4 in TclInvokeStringCommand () from /usr/local/lib/libtcl84.so.1 #11 0x280af9e0 in TclEvalObjvInternal () from /usr/local/lib/libtcl84.so.1 #12 0x280b0f2a in Tcl_EvalEx () from /usr/local/lib/libtcl84.so.1 #13 0x280f2024 in Tcl_FSEvalFile () from /usr/local/lib/libtcl84.so.1 #14 0x280f217e in Tcl_EvalFile () from /usr/local/lib/libtcl84.so.1 #15 0x0804c736 in exp_interpret_cmdfilename () #16 0x0804b6e6 in main () ktrace seems to point to the spinning somewhere below frame 4. >Fix: Haven't gone dumpster diving, so I don't know the proper fix, but forcing the use of tcl83 works. >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200712052256.lB5MuTOw073148>