This is what I get when I run drutil -drive 1 poll and insert a disk and still get the same error message:
DRDeviceAppearedNotification (TSSTcorp CD/DVDW SH-S182M)
DRDeviceStatusChangedNotification (TSSTcorp CD/DVDW SH-S182M)
-DRDeviceMaximumWriteSpeedKey: (null) >>> 0
-DRDeviceIsBusyKey: (null) >>> 0
-DRDeviceMediaStateKey: (null) >>> DRDeviceMediaStateNone
-DRDeviceIsTrayOpenKey: (null) >>> 0
-DRDeviceCurrentWriteSpeedKey: (null) >>> 0
DRDeviceAppearedNotification (PIONEER DVD-RW DVR-112D)
-DRDeviceLoadingMechanismCanOpenKey: (null) >>> 1
-DRDeviceFirmwareRevisionKey: (null) >>> 1.21
-DRDeviceIORegistryEntryPathKey: (null) >>> IOService:/MacRISC4PE/ht@0,f2000000/AppleMacRiscHT/pci@5/IOPCI2PCIBridge/ata-6@ D/AppleKauaiATA/ATADeviceNub@0/IOATAPIProtocolTransport/IOSCSIPeripheralDeviceNu b/IOSCSIPeripheralDeviceType05/IODVDServices
-DRDevicePhysicalInterconnectLocationKey: (null) >>> DRDevicePhysicalInterconnectLocationInternal
-DRDeviceVendorNameKey: (null) >>> PIONEER
-DRDevicePhysicalInterconnectKey: (null) >>> ATAPI
-DRDeviceWriteBufferSizeKey: (null) >>> 2000
-DRDeviceLoadingMechanismCanEjectKey: (null) >>> 1
-DRDeviceSerialNumberKey: (null) >>> PIONEER DVD-RW DVR-112DGFDP993919WL
-DRDeviceProductNameKey: (null) >>> DVD-RW DVR-112D
-DRDeviceSupportLevelKey: (null) >>> DRDeviceSupportLevelAppleShipping
-DRDeviceWriteCapabilitiesKey: (null) >>> {
DRDeviceCanTestWriteCDKey = 1;
DRDeviceCanTestWriteDVDKey = 1;
DRDeviceCanUnderrunProtectCDKey = 1;
DRDeviceCanUnderrunProtectDVDKey = 1;
DRDeviceCanWriteBDKey = 0;
DRDeviceCanWriteBDREKey = 0;
DRDeviceCanWriteBDRKey = 0;
DRDeviceCanWriteBDRPOWKey = 0;
DRDeviceCanWriteBDRRRMKey = 0;
DRDeviceCanWriteBDRSRMKey = 0;
DRDeviceCanWriteCDKey = 1;
DRDeviceCanWriteCDRKey = 1;
DRDeviceCanWriteCDRWKey = 1;
DRDeviceCanWriteCDRawKey = 1;
DRDeviceCanWriteCDSAOKey = 1;
DRDeviceCanWriteCDTAOKey = 1;
DRDeviceCanWriteCDTextKey = 1;
DRDeviceCanWriteDVDDAOKey = 1;
DRDeviceCanWriteDVDKey = 1;
DRDeviceCanWriteDVDPlusRDoubleLayerKey = 1;
DRDeviceCanWriteDVDPlusRKey = 1;
DRDeviceCanWriteDVDPlusRWDoubleLayerKey = 0;
DRDeviceCanWriteDVDPlusRWKey = 1;
DRDeviceCanWriteDVDRAMKey = 0;
DRDeviceCanWriteDVDRDualLayerKey = 1;
DRDeviceCanWriteDVDRKey = 1;
DRDeviceCanWriteDVDRWDualLayerKey = 0;
DRDeviceCanWriteDVDRWKey = 1;
DRDeviceCanWriteHDDVDKey = 0;
DRDeviceCanWriteHDDVDRAMKey = 0;
DRDeviceCanWriteHDDVDRDualLayerKey = 0;
DRDeviceCanWriteHDDVDRKey = 0;
DRDeviceCanWriteHDDVDRWDualLayerKey = 0;
DRDeviceCanWriteHDDVDRWKey = 0;
DRDeviceCanWriteISRCKey = 1;
DRDeviceCanWriteIndexPointsKey = 1;
DRDeviceCanWriteKey = 1;
}
-DRDeviceLoadingMechanismCanInjectKey: (null) >>> 1
-DRDeviceProfilePathKey: (null) >>> built-in
DRDeviceStatusChangedNotification (PIONEER DVD-RW DVR-112D)
-DRDeviceMaximumWriteSpeedKey: (null) >>> 0
-DRDeviceIsBusyKey: (null) >>> 0
-DRDeviceMediaStateKey: (null) >>> DRDeviceMediaStateInTransition
-DRDeviceIsTrayOpenKey: (null) >>> 0
-DRDeviceCurrentWriteSpeedKey: (null) >>> 0
DRDeviceStatusChangedNotification (PIONEER DVD-RW DVR-112D)
-DRDeviceCurrentWriteSpeedKey: 0 >>> 705.5999755859375
-DRDeviceMaximumWriteSpeedKey: 0 >>> 7056
-DRDeviceMediaStateKey: DRDeviceMediaStateInTransition >>> DRDeviceMediaStateMediaPresent
-DRDeviceMediaInfoKey: (null) >>> {
DRDeviceBurnSpeedsKey = (
705,
1764,
2822,
4233,
5644,
7056
);
DRDeviceMediaBSDNameKey = disk7;
DRDeviceMediaBlocksFreeKey = 359844;
DRDeviceMediaBlocksOverwritableKey = 359844;
DRDeviceMediaBlocksUsedKey = 0;
DRDeviceMediaClassKey = DRDeviceMediaClassCD;
DRDeviceMediaIsAppendableKey = 1;
DRDeviceMediaIsBlankKey = 1;
DRDeviceMediaIsErasableKey = 0;
DRDeviceMediaIsOverwritableKey = 1;
DRDeviceMediaIsReservedKey = 0;
DRDeviceMediaSessionCountKey = 0;
DRDeviceMediaTrackCountKey = 0;
DRDeviceMediaTypeKey = DRDeviceMediaTypeCDR;
DRDeviceTrackInfoKey = {
<DRTrack: 0x319db0> = {
DRBlockSizeKey = 2352;
DRBlockTypeKey = 0;
DRFreeBlocksKey = 359844;
DRNextWritableAddressKey = 0;
DRSessionFormatKey = 0;
DRSessionNumberKey = 1;
DRTrackIsEmptyKey = 1;
DRTrackLengthKey = 359844;
DRTrackNumberKey = 1;
DRTrackStartAddressKey = 0;
DRTrackTypeKey = DRTrackTypeInvisible;
};
};
DRDeviceTrackRefsKey = (
<DRTrack: 0x319db0>
);
}