This is my first (disappointing) experience with DVD-RW. OS X 10.3.1
G4 PB 15-inch FW-800).

The Finder mounted the blank DVD-RW, I copied files to it, and
eject/burned the disk with no problems. Reinserted the DVD-RW. Files
are readable. No problems.

Apple Knowledge Base article explains how (easily) erasing a DVD-RW
should be http://docs.info.apple.com/article.html?artnum=125104

I have done more or less what I discribe below with Disk Utility
several times. It _always_ crashes.

Then I launched Disk Utility to erase the DVD-RW. Selecting either the
drive or volume, then clicking the Erase tab, results in the Options...
and Erase buttons dimmed and the Volume Format popup dimmed too. After
some more clicking of anything I can think of, DU crashes.

The only thing I can do is a Verify which reports...

Verifying volume ³untitled DVD²
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking Catalog hierarchy.
Checking volume bitmap.
Checking volume information.
The volume untitled DVD appears to be OK.

1 volume checked
HFS volume verified


Anyone had this problem, or no problem ?



-------------------------------------------------
Disk Utility reports the Volume as...
-------------------------------------------------

Mount Point : /Volumes/untitled DVD
Capacity : 1.3 GB (1,438,902,272 Bytes)
Format: Mac OS Extended
Available: 0 Bytes
Write Status: Read Only
Used: 1.3 GB (1,438,902,272 Bytes)
Number of Folders: 5
Number of Files: 60


-------------------------------------------------
Disk Utility reports the Drive as...
-------------------------------------------------

Disk Description : MAT****ADVD-R UJ-816 Total Capacity : 1.3 GB
(1,439,301,632 Bytes)
Connection Bus : ATA Write Ability : Read Only (No Media)
Connection Type : Internal Capabilities : CD-ROM, CD-R, CD-RW, DVD-ROM,
DVD-R, DVD-RW
Connection ID : Device 0


-------------------------------------------------
Crash Report
-------------------------------------------------

Date/Time: 2003-12-14 19:40:47 -0600
OS Version: 10.3.1 (Build 7C107)

Command: Disk Utility (/Applications/Utilities/Disk
Utility.app/Contents/MacOS/Disk Utility)
PID: 3338
Thread: 0

Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000005

Thread 0 Crashed:
#0 0x900016e8 in szone_free (szone_free + 1320)
#1 0x90578988 in cleanupObjects (cleanupObjects + 104)
#2 0x90578bf4 in IOCFUnserialize (IOCFUnserialize + 180)
#3 0x9057bfbc in IOMakeMatching (IOMakeMatching + 140)
#4 0x95452868 in _BowelsOfDiscRecordingEngine
(_BowelsOfDiscRecordingEngine + 140492)
#5 0x954304bc in _BowelsOfDiscRecordingEngine
(_BowelsOfDiscRecordingEngine + 288)
#6 0x945d9584 in -[DMDisk isErasableOpticalMedia] (-[DMDisk
isErasableOpticalMedia] + 152)
#7 0x007db3f0 in 0x7db3f0
#8 0x90a1a9cc in -[NSObject(NSMainThreadPerformAdditions)
performSelectorOnMainThread:withObject:waitUntilDo ne:modes:]
(-[NSObject(NSMainThreadPerformAdditions)
performSelectorOnMainThread:withObject:waitUntilDo ne:modes:] + 188)
#9 0x90a35f94 in -[NSObject(NSMainThreadPerformAdditions)
performSelectorOnMainThread:withObject:waitUntilDo ne:]
(-[NSObject(NSMainThreadPerformAdditions)
performSelectorOnMainThread:withObject:waitUntilDo ne:] + 120)
#10 0x909f77d4 in _nsnote_callback (_nsnote_callback + 176)
#11 0x901aa7f0 in __CFXNotificationPost (__CFXNotificationPost + 436)
#12 0x901af200 in _CFXNotificationPostNotification
(_CFXNotificationPostNotification + 832)
#13 0x909f5620 in -[NSNotificationCenter
postNotificationName:object:userInfo:] (-[NSNotificationCenter
postNotificationName:object:userInfo:] + 116)
#14 0x92ec1d48 in -[NSTabView selectTabViewItem:] (-[NSTabView
selectTabViewItem:] + 864)
#15 0x92f9d14c in -[NSTabView mouseDown:] (-[NSTabView mouseDown:] +
144)
#16 0x92e02c78 in -[NSWindow sendEvent:] (-[NSWindow sendEvent:] +
4324)
#17 0x92df534c in -[NSApplication sendEvent:] (-[NSApplication
sendEvent:] + 3772)
#18 0x92dfd754 in -[NSApplication run] (-[NSApplication run] + 576)
#19 0x92eb9a1c in NSApplicationMain (NSApplicationMain + 464)
#20 0x0000e8dc in 0xe8dc
#21 0x000168c0 in 0x168c0

Thread 1:
#0 0x900075c8 in mach_msg_trap (mach_msg_trap + 8)
#1 0x90007118 in mach_msg (mach_msg + 56)
#2 0xc000a954 in __ape_internal (__ape_internal + 37048)
#3 0xc0001328 in __ape_agent (__ape_agent + 64)
#4 0x900247e8 in _pthread_body (_pthread_body + 40)

Thread 2:
#0 0x900315ac in wait4 (wait4 + 12)
#1 0x90a5ebd0 in _waitForTermination (_waitForTermination + 40)
#2 0x900247e8 in _pthread_body (_pthread_body + 40)

Thread 3:
#0 0x90017048 in semaphore_wait_signal_trap
(semaphore_wait_signal_trap + 8)
#1 0x9000e890 in _pthread_cond_wait (_pthread_cond_wait + 624)
#2 0x90a4c024 in -[NSConditionLock lockWhenCondition:]
(-[NSConditionLock lockWhenCondition:] + 68)
#3 0x92dca928 in -[NSUIHeartBeat _heartBeatThread:] (-[NSUIHeartBeat
_heartBeatThread:] + 400)
#4 0x90a3a168 in forkThreadForFunction (forkThreadForFunction + 108)
#5 0x900247e8 in _pthread_body (_pthread_body + 40)

Thread 4:
#0 0x900075c8 in mach_msg_trap (mach_msg_trap + 8)
#1 0x90007118 in mach_msg (mach_msg + 56)
#2 0x90191930 in __CFRunLoopRun (__CFRunLoopRun + 848)
#3 0x901960bc in CFRunLoopRunSpecific (CFRunLoopRunSpecific + 328)
#4 0x901ff514 in CFRunLoopRun (CFRunLoopRun + 52)
#5 0x9544307c in _BowelsOfDiscRecordingEngine
(_BowelsOfDiscRecordingEngine + 77024)
#6 0x95442028 in _BowelsOfDiscRecordingEngine
(_BowelsOfDiscRecordingEngine + 72844)
#7 0x9544f954 in _BowelsOfDiscRecordingEngine
(_BowelsOfDiscRecordingEngine + 128440)
#8 0x954279f8 in _DRWorkLoopThread (_DRWorkLoopThread + 0)
#9 0x900247e8 in _pthread_body (_pthread_body + 40)

PPC Thread State:
srr0: 0x900016e8 srr1: 0x0200f030 vrsave: 0x00000000
cr: 0x28004424 xer: 0x00000004 lr: 0x900016b4 ctr: 0x90001fa0
r0: 0x900016b4 r1: 0xbfffdf40 r2: 0xa00011ac r3: 0x00000000
r4: 0x00000000 r5: 0x00000001 r6: 0x80808080 r7: 0x00000002
r8: 0x6f720000 r9: 0x00000000 r10: 0x0000004b r11: 0xa0003d18
r12: 0x90001fa0 r13: 0x00000000 r14: 0x00000100 r15: 0x00000000
r16: 0xa2df1b94 r17: 0xa2df1b94 r18: 0x00000000 r19: 0x00000030
r20: 0xa00011d0 r21: 0x0000004b r22: 0x004b15cf r23: 0x00000004
r24: 0x04b15cf0 r25: 0x01800000 r26: 0x00000003 r27: 0x00000003
r28: 0x04b15cc0 r29: 0x00000001 r30: 0x00000000 r31: 0x900011d0