Get kernel panic when I burn DVDs

Question

when I burn several DVDs using the internal DVD burner on my 1.25 Ghz G4 running OS X 10.4.11, I am getting a kernel panic that tells me to reboot my computer. I'm using Toast Titanium 8 to burn with. Any ideas how to prevent this?
Here's the details:
Unresolved kernel trap(cpu 1): 0x300 - Data access DAR=0x000000002A2AD680 PC=0x0000000000847964
Latest crash info for cpu 1:
Exception state (sv=0x33164500)
PC=0x00847964; MSR=0x00009030; DAR=0x2A2AD680; DSISR=0x40000000; LR=0x0083294C; R1=0x1CA33B00; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x00072C8C 0x0083294C 0x002E9A80 0x002EB94C 0x0008C248 0x00029234
0x000233F8 0x000ABEAC 0x341B47F8
Kernel loadable modules in backtrace (with dependencies):
com.apple.ATIRadeon8500(4.1.8)@0x82b000
dependency: com.apple.iokit.IOPCIFamily(1.7)@0x491000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.2)@0x7f1000
dependency: com.apple.iokit.IONDRVSupport(1.4.2)@0x815000
Proceeding back via exception chain:
Exception state (sv=0x33164500)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x33335780)
PC=0x9000B348; MSR=0x0200F030; DAR=0xE045C000; DSISR=0x42000000; LR=0x9000B29C; R1=0xF0343A60; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPC
panic(cpu 1 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 1:
Backtrace:
0x000954F8 0x00095A10 0x00026898 0x000A8204 0x000ABB80
Proceeding back via exception chain:
Exception state (sv=0x33164500)
PC=0x00847964; MSR=0x00009030; DAR=0x2A2AD680; DSISR=0x40000000; LR=0x0083294C; R1=0x1CA33B00; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x00072C8C 0x0083294C 0x002E9A80 0x002EB94C 0x0008C248 0x00029234
0x000233F8 0x000ABEAC 0x341B47F8
Kernel loadable modules in backtrace (with dependencies):
com.apple.ATIRadeon8500(4.1.8)@0x82b000
dependency: com.apple.iokit.IOPCIFamily(1.7)@0x491000
dependency: com.apple.iokit.IOGraphicsFamily(1.4.2)@0x7f1000
dependency: com.apple.iokit.IONDRVSupport(1.4.2)@0x815000
Exception state (sv=0x33335780)
PC=0x9000B348; MSR=0x0200F030; DAR=0xE045C000; DSISR=0x42000000; LR=0x9000B29C; R1=0xF0343A60; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPCModel: PowerMac3,6, BootROM 4.5.7f1, 2 processors, PowerPC G4 (3.2), 1.25 GHz, 1.25 GB
Graphics: ATI Radeon 9000 Pro, ATY,RV250, AGP, 64 MB
Memory Module: DIMM0/J21, 256 MB, DDR SDRAM, PC2700U-25330
Memory Module: DIMM1/J22, 512 MB, DDR SDRAM, PC2700U-25330
Memory Module: DIMM2/J23, 512 MB, DDR SDRAM, PC2700U-30330
Modem: Dash2, UCJ, V.92, 1.0F, APPLE VERSION 2.6.6
Network Service: Internal Modem, PPP (PPPSerial), modem
Network Service: Built-in Ethernet, Ethernet, en0
PCI Card: pci9004,7850, sppciscsibus, SLOT-3
Parallel ATA Device: ST3300831A, 279.46 GB
Parallel ATA Device: WDC WD1600JB-00GVA0, 149.05 GB
Parallel ATA Device: PIONEER DVD-RW DVR-111D
Parallel ATA Device: ST3400632A, 372.61 GB
Parallel ATA Device: ST3250823A, 232.89 GB
SCSI Device: EPSON SCANNER GT-9500
USB Device: Hub, Up to 12 Mb/sec, 500 mA
USB Device: ImageMate 14 in 1 Reader/Writer, SanDisk, Up to 12 Mb/sec, 500 mA
USB Device: HP Color LaserJet 2600n, Hewlett-Packard, Up to 12 Mb/sec, 500 mA
USB Device: Hub in Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 500 mA
USB Device: Apple Optical USB Mouse, Fujitsu Component, Up to 1.5 Mb/sec, 100 mA
USB Device: Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 250 mA
FireWire Device: > LaCie d2 DVD-RW Firewire, LaCie Group SA, Up to 400 Mb/sec

Answer 1

I would unplug the carload of stuff jacked into the Mac (other than keyboard and mouse) and see if that continues. You have so much stuff jacked in something's got to give.