On Wed, Feb 13, 2002 at 05:33:13PM -0600, Matthew Fredrickson wrote:
> More data: IIRC, on the vanilla uhci.c driver, ISOC sucks. Sucks really
> badly. Kind of funny though, 'cause I was helping somebody with writing a
> driver for something that used BULK transfers, and the usb-uhci driver
> kept on Oops!'ing his system (dereferencing a NULL pointer in the host
> controller code) whenever he tried to initiate his transfer. Switching to
Were there bug reports for this? Does it still happen?
> the uhci.c driver corrected this. Go Figure. So both drivers are
> good/bad at different things, though the usb-uhci driver seems to
> perform/behave better for most cases I've seen.
Just as a side note: We use ISO streaming for our DABUSB-device, which needs
about 384KB/s. It works reliably for _months_, but only with Intel chipsets.
VIA chipsets produce errors (corrupted packets) every few hours.
--
Georg Acher, [EMAIL PROTECTED]
http://www.in.tum.de/~acher/
"Oh no, not again !" The bowl of petunias
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