Now that I've got the proper IDE driver in place (2.4.20rc4) and the master drive
on the primary interface is running at a full ATA133, these have started showing
up in the logs - 2 or 3 a day:
hdc: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
hdc: status timeout: status=0xd0 { Busy }
hdc: drive not ready for command
hdc: ATAPI reset complete
Here's the dmesg output about this drive:
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 89
PCI: No IRQ known for interrupt pin A of device 00:11.1.
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: VIA vt8235 (rev 00) IDE UDMA133 controller on pci00:11.1
ide0: BM-DMA at 0xb800-0xb807, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xb808-0xb80f, BIOS settings: hdc:DMA, hdd:pio
hda: Maxtor 6E030L0, ATA DISK drive
hdc: 56X CD-ROM, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
blk: queue c034b164, I/O limit 4095Mb (mask 0xffffffff)
hda: 60058656 sectors (30750 MB) w/2048KiB Cache, CHS=3738/255/63, UDMA(133)
hdc: ATAPI 52X CD-ROM drive, 128kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
And /sbin/hdparm -I /dev/hdc
/dev/hdc:
ATAPI CD-ROM, with removable media
Model Number: 56X CD-ROM
Serial Number: MT1102A Firmware
Firmware Revision: VER 1.5F
Standards:
Used: ATAPI for CD-ROMs, SFF-8020i, r2.5
Supported: CD-ROM ATAPI-2
Configuration:
DRQ response: 50us.
Packet size: 12 bytes
Capabilities:
LBA, IORDY(cannot be disabled)
DMA: *mdma0 mdma1 mdma2 *udma0 udma1 udma2 (?)
Cycle time: min=120ns recommended=150ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=227ns IORDY flow control=120ns
And /sbin/hdparm -i /dev/hdc
/dev/hdc:
Model=56X CD-ROM, FwRev=VER 1.5F, SerialNo=MT1102A Firmware
Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=0kB, MaxMultSect=0
(maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
IORDY=yes, tPIO={min:227,w/IORDY:120}, tDMA={min:120,rec:150}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2
AdvancedPM=no
And finally,
/sbin/hdparm -v /dev/hdc
/dev/hdc:
HDIO_GET_MULTCOUNT failed: Invalid argument
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 1 (on)
readahead = 8 (on)
HDIO_GETGEO failed: Invalid argument
This last one is the only indication that something might be amiss - the two
instances of "invalid argument" Other than that, the drive appears to work just
fine.
What am I looking at?
DG
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This archive was generated by hypermail 2b29 : Sat Dec 07 2002 - 22:00:13 EST