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On Thu, Jun 02, 2005 at 12:14:16AM +0200, Rene Herman wrote: > Sound scary. Must say I do generally have a lot of faith in this chipset > (AMD751/756). The machine's been as stable as a rock for years now. A > logic analyser I do not have, nor the ability to interpret it if I did. > > I did just now try two different PCI slots. Again no change. > > Erhhm. rmmoding ehci-hcd works. I suppose it tells the hardware to shut > up on module_exit. is there any way to have it tell the hardware the > same while keeping it loaded? Any other ideas? I just tried pluging in my usb2 flash reader which ought to d the same thing to usb-storage as pluging in the external usb2 hd. Reading from a 120G SATA WD drive gets about 41MB/s without the USB2 drive connected and about the same with. That is on an nforce2 motherboard with it's builtin usb controller and using 2.6.10. Trying on an Athlon64 with a 250G SATA WD drive and the same usb flash reader, I get 57MB/s both with and without the usb2 drive connected. That one uses a VIA K8T800 chipset and also 2.6.10. I wonder what is different with your hardware/software mix. I tried unloading everything to do with usb to try and see if I could make it get a higher speed with hdparm, but no change no matter what. Len Sorensen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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