From miki@ma.krakow.pl  Sat Mar 26 16:19:01 2005
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Message-Id: <200503261618.j2QGIopa001213@hp.dom>
Date: Sat, 26 Mar 2005 17:18:50 +0100 (CET)
From: Mikolaj Rydzewski <miki@ceti.pl>
Reply-To: Mikolaj Rydzewski <miki@ceti.pl>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: Fixating CDRW with burncd(8) hangs system (DVDR NEC ND-6450A on Compaq NX9020)
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>Number:         79255
>Category:       kern
>Synopsis:       [burncd]: Fixating CDRW with burncd(8) hangs system (DVDR NEC ND-6450A on Compaq NX9020)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    remko
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 26 16:20:02 GMT 2005
>Closed-Date:    Fri Jun 15 10:50:22 GMT 2007
>Last-Modified:  Fri Jun 15 10:50:22 GMT 2007
>Originator:     Mikolaj Rydzewski <miki@ceti.pl>
>Release:        FreeBSD 5.3-RELEASE-p5 i386
>Organization:
>Environment:
System: FreeBSD hp.dom 5.3-RELEASE-p5 FreeBSD 5.3-RELEASE-p5 #0: Fri Mar 25 08:58:34 CET 2005 root@hp.dom:/usr/src/sys/i386/compile/NX9020 i386


	HP-Compaq NX9020 notebook,
	DVD recorder, info from dmesg:
	acd0: DVDR <NEC DVD+/-RW ND-6450A/2.36> at ata1-master PIO4
>Description:
	System hangs while fixating CDRW. I have modified burncd(8) to know
	when it happens exactly. It hangs on ioctl(fd, CDRIOCFIXATE, &multi)
	call. It DOES NOT hang when fixating with cdrecord (with camcontrol 
	interface) however. Kernel message while hanging:

	kernel trap 12 with interrupts disabled
	Fatal trap 12: page fault while in kernel mode
	fault virtual address:		0x10068
	fault code:	supervisor read, page not present
	instruction pointer: 0x8:0xc062e439
	stack pointer:	0x10:0xd41f4c68
	frame pointer:	0x10:0xd41f4c6c
	code segment:	base 0x0, limit 0xfffff, type: 0x1b
			dpl 0, pres 1, def32 1, gran 1
	processor eflags:	resume, IOPL=0
	current process:	6 (thread taskq)
	trap number:		12
	panic:			page fault
>How-To-Repeat:
	burncd -s max blank fixate
>Fix:
	Use cdrecord instead of burncd. But cdrecord has got limitations
	with writing DVDs. And I like burncd more ;-)


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: remko 
State-Changed-When: Mon Dec 25 12:40:46 UTC 2006 
State-Changed-Why:  
Hello can you tell me whether this problem is still persisting 
on FreeBSD 6.x? 


Responsible-Changed-From-To: freebsd-bugs->remko 
Responsible-Changed-By: remko 
Responsible-Changed-When: Mon Dec 25 12:40:46 UTC 2006 
Responsible-Changed-Why:  
grab the pr to trace feedback. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=79255 
State-Changed-From-To: feedback->closed 
State-Changed-By: linimon 
State-Changed-When: Fri Jun 15 10:50:10 UTC 2007 
State-Changed-Why:  
Feedback timeout (> 6 months). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=79255 
>Unformatted:
