Ubuntu 8.04, bad response time when HDD active

[Madison Kelly]

Lennart Sorensen wrote:
> On Wed, Jun 25, 2008 at 11:18:22AM -0400, Madison Kelly wrote:
>> Update;
>>
>> It said DMA was in use with 'hdparm -I', but 'hdparm -d' shows otherwise:
>>
>> root at akane:/home/digimer# hdparm -d /dev/hda
>>
>> /dev/hda:
>>  using_dma     =  0 (off)
>> root at akane:/home/digimer# hdparm -d 1 /dev/hda
>>
>> /dev/hda:
>>  setting using_dma to 1 (on)
>>  HDIO_SET_DMA failed: Operation not permitted
>>  using_dma     =  0 (off)
>>
>> lolwut?!
> 
> Probably means for some reason you are now using ide-generic rather than
> the native driver for your IDE controller (which would explain it
> dropping back to /dev/hda).  Figure out why it isn't loading the correct
> driver in the initrd, or why it isn't recognizing your controller (maybe
> dmesg has some hint).
> 

D'oh, forgot to check dmesg...

This is a bit cryptic to me, but maybe a TLUG'er has some insight? Are 
the complaints here a clue or normal?

...
[    9.212243] PCI: Unable to reserve I/O region #1:8 at 1f0 for device 
0000:00:1f.1
[    9.212247] ata_piix 0000:00:1f.1: failed to request/iomap BARs for 
port 0 (errno=-16)
[    9.212261] PCI: Setting latency timer of device 0000:00:1f.1 to 64
[    9.213013] scsi0 : ata_piix
[    9.213674] scsi1 : ata_piix
[    9.214697] ata1: DUMMY
[    9.214701] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0x1868 
irq 15
[    9.342815] hda: ST960822A, ATA DISK drive
[    9.342913] ide1: I/O resource 0x376-0x376 not free.
[    9.342917] ide1: ports already in use, skipping probe
[    9.342949] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[    9.515383] hda: max request size: 128KiB
[    9.515961] hda: 117210240 sectors (60011 MB) w/8192KiB Cache, 
CHS=65535/16/63
[    9.516122] hda: cache flushes supported
[    9.516162]  hda: hda1 hda2
...

Madi
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