Matthijs <[EMAIL PROTECTED]> writes:
Yes. It turned out that the default DMA setting was too high on my machine (Asus A7n8x deluxe nforce2).
I'm wondering: was the DMA setting too high for your hard disk? I.e. a UDMA-3 hard disk running on UDMA-5, or is there a problem in the kernel that it can't run UDMA-4/5 on NForce2-boards?
As my drive is a brand new Seagate barracuda ST3160023A. The kernel reports hda: 312581808 sectors (160042 MB) w/8192KiB Cache, CHS=19457/255/63, UDMA(100)
According to seagate [1], this drive has a max transfert rate of 100MB/s. So I think there's a problem with the kernels (both 2.4.25 and 2.6.3) that can't run run UDMA-4/5 on NForce2-boards.
I've already looged a bug to debian [2].
Cheers
[1] http://www.seagate.com/cda/products/discsales/personal/family/0,1085,578,00.html [2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=239074
Same thing here (Western Digital Drive):
$ dmesg |grep UDMA
NFORCE2: 0000:00:09.0 (rev a2) UDMA133 controller
hda: 234375000 sectors (120000 MB) w/8192KiB Cache, CHS=65535/16/63, UDMA(100)
-Roberto Sanchez
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