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Date: Thu, 20 Feb 1997 19:35:24 GMT
From: Nick Hilliard <nick@eunet.ie>
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Subject: misc/2781: Installation problem
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>Number:         2781
>Category:       misc
>Synopsis:       Installation crashes if timeout in ftp transfer
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Feb 20 12:10:01 PST 1997
>Last-Modified:
>Originator:     Nick Hilliard
>Organization:
EUnet Ireland
>Release:        FreeBSD 2.1.7-RELEASE i386
>Environment:

	Nothing special

>Description:

	The system installation prodecure will reliably crash if trying
	to install through a firewall and if the installer is not set up
	to use passive FTP connections (i.e. if the FTP "PORT" command
	times out during installation.

	The Debug console on ttyv1 generates something like the following
	line:

	DEBUG: Unexpected signal 11 caught!  That's bad!

	This message get continuously written to the console until the 
	machine is physically reset (ctrl-alt-del doesn't work on any
	of the VC's)

>How-To-Repeat:

	Select "FTP" instead of "FTP passive" from the installation media
	menu in sysinstall when the route between your and the FTP server
	is suitably firewalled to disallow non PASV ftp sessions.  When
	the system starts to retrieve the files, the program crashes as
	described.

>Fix:
	
	Weird!  I can't find the error message anywhere in the source
	(using find /usr/src |xargs grep Unexpected).  Who's hiding
	the code? :-)

>Audit-Trail:
>Unformatted: