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Date: Sat, 19 Jan 2002 23:08:41 +0100 (CET)
From: Joakim Henriksson <murduth@ludd.luth.se>
Reply-To: Joakim Henriksson <murduth@ludd.luth.se>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: Reproducable crash on usb ugen
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>Number:         34067
>Category:       kern
>Synopsis:       [usb] Reproducable crash on usb ugen
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-usb
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jan 19 14:10:01 PST 2002
>Closed-Date:    Fri Nov 05 01:50:31 GMT 2004
>Last-Modified:  Fri Nov 05 01:50:31 GMT 2004
>Originator:     Joakim Henriksson
>Release:        FreeBSD 4.5-RC i386
>Organization:
Universite of Lulea
>Environment:
System: FreeBSD rmstar.campus.luth.se 4.5-RC FreeBSD 4.5-RC #1: Sat Jan 19 13:47:42 CET 2002 murduth@rmstar.campus.luth.se:/usr/src/sys/compile/RMSTAR i386

Palm m500 with USB dock.

>Description:
Misusing usb a bit panics FreeBSD.

Pertinent trace from the crashdump.

#6  0xc0269e49 in usbd_free_xfer ()
#7  0xc026dacb in ugen_do_read ()
#8  0xc026dc17 in ugenread ()
#9  0xc019edc7 in spec_read ()
#10 0xc0253f48 in ufsspec_read ()
#11 0xc02545ad in ufs_vnoperatespec ()
#12 0xc019af9c in vn_read ()
#13 0xc0175274 in dofileread ()
#14 0xc017513a in read ()


>How-To-Repeat:
1) gdb coldsync
2) press hot sync button. The palm connects on ugen0.
3) coldsync does nothing so break it with ctrl-C
4) coldsync is waiting in the read system call
5) Do other stuff till the palm disconnects from the bus.
6) ctrl-d in gdb
7) The end

>Fix:

Unknown.
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->n_hibma 
Responsible-Changed-By: n_hibma 
Responsible-Changed-When: Tue Feb 12 01:09:46 PST 2002 
Responsible-Changed-Why:  

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=34067 
State-Changed-From-To: open->feedback 
State-Changed-By: linimon 
State-Changed-When: Fri Aug 27 22:24:06 GMT 2004 
State-Changed-Why:  
Is this still a problem with recent versions of FreeBSD? 


Responsible-Changed-From-To: n_hibma->freebsd-bugs 
responsible-Changed-By: linimon 
Responsible-Changed-When: Fri Aug 27 22:24:06 GMT 2004 
Responsible-Changed-Why:  
With permission of assignee, reset assignment. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34067 
State-Changed-From-To: feedback->suspended 
State-Changed-By: linimon 
State-Changed-When: Sat Aug 28 22:27:10 GMT 2004 
State-Changed-Why:  
Submitter is unable to free up a machine to duplicate this problem 
at this time.  Mark suspended in case this changes. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34067 
Responsible-Changed-From-To: freebsd-bugs->freebsd-usb 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Thu Nov 4 06:44:12 GMT 2004 
Responsible-Changed-Why:  
Reassign to appropriate mailing list. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34067 
State-Changed-From-To: suspended->closed 
State-Changed-By: iedowse 
State-Changed-When: Fri Nov 5 01:39:20 GMT 2004 
State-Changed-Why:  

Without a recent verification and stack trace there is little point 
in keeping this suspended. The PR can easily be reopened if new 
information becomes available. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34067 
>Unformatted:
