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Subject: kern/17208: 3.4 Lock-up during file-completion
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>Number:         17208
>Category:       kern
>Synopsis:       3.4 Lock-up during file-completion
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar  5 11:20:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Randall Hopper
>Release:        FreeBSD 3.4-RELEASE i386
>Organization:
self
>Environment:

	Stock 3.4-RELEASE; no patches.
        Custom kernel config - can provide if deemed relevent.
        tcsh-6.09.00 - from 3.4 packages
        /dev/fd0 is a 3.5" floppy drive

>Description:

	In an xterm running tcsh, I mounted a DOS floppy using:
        
             sudo mount -t msdos /dev/fd0 /a

        The floppy mounted.  I was able to ls the root directory.  No
        problems so far.

        Then in my shell I started typing a command to copy a file off
        the floppy:

             cp -p /a/

        At this point I hit Ctrl^D to get a directory listing of the
        available matching files (bound to the tcsh
        delete-char-or-list-or-eof function in tcsh, as is standard; type
        "bindkeys" to check).

        The machine completely froze.  The X mouse cursor was dead.
        Ctrl-Alt-Backspace would not quit X.  Ctrl-Alt-Del would not
        reboot the machine.  Attempts to switch VTYs were ignored.
        No response for anything I tried.

        I hard-booted and (after much fsck'ing) checked the 3.4 errata.html
        file on freebsd.org, and then sent this PR.

>How-To-Repeat:

	Perform the above action and see if it happens for you.  

        I'm hesitant to try tcsh matching files list on a floppy again
        right now (I need to get a full backup made).

>Fix:
	
	Unknown.

>Release-Note:
>Audit-Trail:
>Unformatted:


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