Arch Linux

sincity

Member

Registered: 2005-12-15

Posts: 63

No DMA on my cdr/cdrw/dvd/dvdrw combo drive

[root@valhalla ~]# dmesg | grep -i dma
  DMA             0 ->     4096
  DMA zone: 32 pages used for memmap
  DMA zone: 0 pages reserved
  DMA zone: 4064 pages, LIFO batch:0
ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x18B0 irq 14
ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0x18B8 irq 15
ata1.00: ATA-7, max UDMA/100, 195371568 sectors: LBA48 
ata1.00: configured for UDMA/100
ata2.00: ATAPI, max UDMA/33
ata2.00: configured for UDMA/33
mmc0: SDHCI at 0xd2100400 irq 19 DMA

[root@valhalla ~]# lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS/940GML and 945GT Express Memory Controller Hub (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS/940GML and 945GT Express PCI Express Root Port (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA Storage Controller IDE (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation Quadro NVS 110M / GeForce Go 7300 (rev a1)
03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
05:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
05:04.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller (rev 01)
05:06.0 FireWire (IEEE 1394): Ricoh Co Ltd Unknown device 0832
05:06.1 Generic system peripheral [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
05:06.2 System peripheral: Ricoh Co Ltd Unknown device 0843 (rev 01)
05:06.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 0a)
05:06.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 05)
[root@valhalla ~]#

It's a core 2 duo laptop. When i use Gnomebaker to burn a cd/dvd it bails out and tells me there's no dma on the drive.

[root@valhalla ~]# hdparm -d 1 /dev/sr0

/dev/sr0:
 setting using_dma to 1 (on)
 HDIO_SET_DMA failed: Function not implemented
[root@valhalla ~]#

sincity

Member

Registered: 2005-12-15

Posts: 63

Re: No DMA on my cdr/cdrw/dvd/dvdrw combo drive

Oops, maybe someone can move this to the laptop issues forum?

matchil

Member

From: Poland

Registered: 2006-11-06

Posts: 56

Re: No DMA on my cdr/cdrw/dvd/dvdrw combo drive

Hi.
It seems I have the same burner ... and unfortunatelly the same problem
Have you found the solution yet ? If yes please share.

Peace.