Description of Problem: I have a DVD drive in a machine here at the desk which fails when I attempt to enable DMA on it. Don't know if this is expected or not, but thought it worth the report. [root@jkt3 root]# hdparm -d1 /dev/hdb /dev/hdb: setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted using_dma = 0 (off) Version-Release number of selected component (if applicable): How Reproducible: Steps to Reproduce: 1. 2. 3. Actual Results: Expected Results: Additional Information:
This is not an initscripts issue if it returns 'operation not permitted'.
what chipset (ide wise) ?
[root@jkt3 root]# lspci 00:00.0 Host bridge: ServerWorks CNB20LE Host Bridge (rev 06) 00:00.1 Host bridge: ServerWorks CNB20LE Host Bridge (rev 06) 00:01.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 07) 00:01.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 07) 00:02.0 SCSI storage controller: Adaptec AHA-3960D / AIC-7899A U160/m (rev 01) 00:02.1 SCSI storage controller: Adaptec AHA-3960D / AIC-7899A U160/m (rev 01) 00:04.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 08) 00:06.0 System peripheral: Compaq Computer Corporation Advanced System Management Controller 00:0f.0 ISA bridge: ServerWorks CSB5 South Bridge (rev 92) 00:0f.1 IDE interface: ServerWorks CSB5 IDE Controller (rev 92) 00:0f.2 USB Controller: ServerWorks OSB4/CSB5 USB Controller (rev 05) 00:0f.3 Host bridge: ServerWorks: Unknown device 0230 02:04.0 VGA compatible controller: 3Dfx Interactive, Inc. Voodoo 3 (rev 01)
hmm maybe the drive is on the blacklist... cat /proc/ide/*/model ?
I have the same problem: [root@tribblesoft2 root]# hdparm -d 1 /dev/hdd /dev/hdd: setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted using_dma = 0 (off) [root@tribblesoft2 root]# lspci 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 745 Host (rev 01) 00:01.0 PCI bridge: Silicon Integrated Systems [SiS] 5591/5592 AGP 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS85C503/5513 (LPC Bridge) 00:02.2 USB Controller: Silicon Integrated Systems [SiS] 7001 (rev 07) 00:02.3 USB Controller: Silicon Integrated Systems [SiS] 7001 (rev 07) 00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev d0) 00:05.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 10) 00:0b.0 Network controller: Standard Microsystems Corp [SMC] SMC2602W EZConnect / Addtron AWA-100 (rev 02) 00:0c.0 Ethernet controller: Davicom Semiconductor, Inc. Ethernet 100/10 MBit (rev 31) 01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4 Ti4200] (rev a3) [root@tribblesoft2 ide]# pwd /proc/ide [root@tribblesoft2 ide]# ls drivers hda hdc hdd ide0 ide1 sis [root@tribblesoft2 ide]# cat hd?/model IC35L060AVVA07-0 ATAPI CD-RW 32/12/40X IDE DVD-ROM 16X
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