> of read performance with hdparm but heavy IO still makes the machine
quoted text
> sluggish, with top showing ~80% of the time in the wait state (and
> loadavg shooting up). This seems like a DMA problem because I was under

Load average includes wait states for disk.

quoted text
> [   30.999213] ata1.00: ATA-7: ST3160815AS, 3.AAD, max UDMA/133
> [   30.999216] ata1.00: 312581808 sectors, multi 16: LBA48 NCQ (depth
> 31/32)
> [   31.054773] usb 7-1.2: configuration #1 chosen from 1 choice
> [   31.055515] usbcore: registered new interface driver libusual
> [   31.057399] ata1.00: configured for UDMA/133

So it is running at UDMA133



quoted text
> [   32.934174] ata7.00: ATAPI: TSSTcorpDVD-ROM SH-D162D, SB00, max
> UDMA/33
> [   33.105820] ata7.00: configured for UDMA/33

CD-ROM at UDMA 33


quoted text
> [   39.285949] nvidia: module license 'NVIDIA' taints kernel

And any problems beyond that point are ones you need to take up with
Nvidia as they have all the source code but we don't have theirs.
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