Dotaz: CD-ROM DMA DISABLED

[Martin Chloupek]

Používám RH 7.3, cd-rom TOSHIBA a vypalovacku TEAC Nejede mi dma ani na jedné!!!. Nevím co s tím!!! Vypalovat se tak dá dost spatne!! Dík za pomoc.

Výpis jádra:

chine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 0183fbff c1c7fbff 00000000 00000000
CPU: Common caps: 0183fbff c1c7fbff 00000000 00000000
CPU: AMD Athlon(tm) processor stepping 04
Enabling fast FPU save and restore... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfb440, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Unknown bridge resource 0: assuming transparent
PCI: Using IRQ router VIA [1106/0686] at 00:07.0
Applying VIA southbridge workaround.
PCI: Disabling Via external APIC routing
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16)
Starting kswapd
VFS: Diskquotas version dquot_6.5.0 initialized
vesafb: framebuffer at 0xd2000000, mapped to 0xd080d000, size 32768k
vesafb: mode is 800x600x32, linelength=3200, pages=7
vesafb: protected mode interface info at c000:7d40
vesafb: scrolling: redraw
vesafb: directcolor: size=8:8:8:8, shift=24:16:8:0
Console: switching to colour frame buffer device 100x37
fb0: VESA VGA frame buffer device
pty: 2048 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS
MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Real Time Clock Driver v1.10e
block: 496 slots per queue, batch=124
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller on PCI bus 00 dev 39
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci00:07.1
ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:pio
hda: WDC WD400BB-00AUA1, ATA DISK drive
hdb: TOSHIBA DVD-ROM SD-M1612, ATAPI CD/DVD-ROM drive
hdc: CD-W512EB, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 78165360 sectors (40021 MB) w/2048KiB Cache, CHS=4865/255/63, UDMA(100)
ide-floppy driver 0.99.newide
Partition check:
hda: hda1 hda2 < hda5 hda6 hda7 > hda3
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
ide-floppy driver 0.99.newide
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 2048 buckets, 16Kbytes
TCP: Hash tables configured (established 16384 bind 16384)
Linux IP multicast router 0.06 plus PIM-SM
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 123k freed
VFS: Mounted root (ext2 filesystem).
Journalled Block Device driver loaded
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Freeing unused kernel memory: 296k freed
Adding Swap: 321260k swap-space (priority -1)
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.275 $ time 07:48:41 Apr 18 2002
usb-uhci.c: High bandwidth mode enabled
PCI: Found IRQ 11 for device 00:07.2
PCI: Sharing IRQ 11 with 00:07.3
PCI: Sharing IRQ 11 with 00:0b.0
usb-uhci.c: USB UHCI at I/O 0xd400, IRQ 11
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Found IRQ 11 for device 00:07.3
PCI: Sharing IRQ 11 with 00:07.2
PCI: Sharing IRQ 11 with 00:0b.0
usb-uhci.c: USB UHCI at I/O 0xd800, IRQ 11
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 2
hub.c: USB hub found
hub.c: 2 ports detected
usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
hub.c: USB new device connect on bus1/1, assigned device number 2
usb.c: USB device 2 (vend/prod 0x419/0x8002) is not claimed by any active driver.
usb.c: registered new driver hiddev
usb.c: registered new driver hid
usb-uhci.c: interrupt, status 3, frame# 1751
hiddev0: USB HID v1.10 Pointer [Samsung Electronics Sam Sung Electronics] on usb1:2.0
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik
hid-core.c: USB HID support drivers
EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide0(3,5), internal journal
SCSI subsystem driver Revision: 1.00
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
Vendor: TOSHIBA Model: DVD-ROM SD-M1612 Rev: 1004
Type: CD-ROM ANSI SCSI
revision: 02
Vendor: TEAC Model: CD-W512EB Rev: 2.0H
Type: CD-ROM ANSI SCSI
revision: 02
hdb: DMA disabled
hdc: DMA disabled


parport0: PC-style at 0x378 [PCSPP,EPP]
parport_pc: Via 686A parallel port: io=0x378
8139too Fast Ethernet driver 0.9.24
PCI: Found IRQ 11 for device 00:0b.0
PCI: Sharing IRQ 11 with 00:07.2
PCI: Sharing IRQ 11 with 00:07.3
eth0: RealTek RTL8139 Fast Ethernet at 0xd28da000, 00:50:fc:33:d4:44, IRQ 11
eth0: Identified 8139 chip type 'RTL-8139C'
eth0: Setting 100mbps half-duplex based on auto-negotiated
partner ability 40a1.
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
Attached scsi CD-ROM sr1 at scsi0, channel 0, id 1, lun 0
sr0: scsi3-mmc drive: 48x/48x cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.12
sr1: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray
Creative EMU10K1 PCI Audio Driver, version 0.18, 07:49:07 Apr 18 2002
PCI: Found IRQ 5 for device 00:0a.0
emu10k1: EMU10K1 rev 8 model 0x8027 found, IO at 0xdc00-0xdc1f, IRQ 5
ac97_codec: AC97 codec, id: 0x5452:0x4123 (TriTech TR A5)
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root

Odpovědi

[Zdeněk Burda]

a co takhle

hdparm -c1 -d1 /dev/hdb
hdparm -c1 -d1 /dev/hdc

[Martin Chloupek]

Jo dík moc!!!
2]Rád bych jeste vedel proc to je??? Proc se tak stane???
1]Po restartu je to zase znovu na disabled, kam je asi nejlepsi ulozit skriptik s touto konfigurací?

[Zdeněk Burda]

napis si to do /etc/rc.d/rc.local

[Jiri Svoboda]

2) Proc se tak stane. Protoze kolem existuje a lidi kupuji porad spoustu levneho shitoveho hardware a povoleni DMA muze na techto povedenych kouscich zpusobit ztratu dat. Tak si tvurci distribuci (aspon nekteri - treba zrovna ten RedHat) nelajznou to implicitne zapnout.
1) Konkretne RedHat ma na tohle primo konfiguracni soubor: '/etc/sysconfig/harddisks'.