On Fri, 8 Apr 2005, Marco van Loon wrote: > Well, external USB case plugged into USB2.0 card in PC1 == bad , > external USB case plugged in front USB connector of PC2 (so that adds an extra > cable inside the PC's case to the mobo) == good > Which leads me to believe the cable is most likely OK... ;)
Using the same external cable for both connections, presumably. > I guess I'll have to take the PCI card back to the shop and see if I > can swap it... :| > > > People have had good results with PCI USB cards using Sony controllers. > > The only PCI USB 2.0 cards available in local shops seem to be ones > based on VIA chipsets or NEC chipsets; I wanted to buy a NEC based one, > since I read good stories about NEC based cards, but it unfortunately > was out of stock at the moment, so I got stuck with this broken VIA based > card. :( I meant to say NEC, not Sony. Lord knows how those two names got mixed up in my head... > PS: is it normal that USB2.0/ehci-hcd gets about 10 times as many > interrupts in /proc/interrupts as USB1.1/usb-uhci when xfering the same file > (tested by doing a "cat file_on_usb_drive >/dev/null" with and without > ehci-hcd loaded) or is that another sign my PCI USB 2.0 card is completely > fscked up? I don't really know how many interrupts one controller should generate compared to another. It's a good question, though. On the face of it I would expect to see about the same number. But without more knowledge, you shouldn't assume that it's related to problems in the controller. > Ugh more problems during the testing of the USB card's USB2.0/ehci part; > the damn thing is definately going back to the shop next week! :( > <quote> > SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 70000 > I/O error: dev 08:01, sector 6099122 > SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 70000 > I/O error: dev 08:01, sector 6099123 > usb.c: USB disconnect on device 00:0e.2-2 address 2 > SCSI disk error : host 2 channel 0 id 0 lun 0 return code = 70000 > I/O error: dev 08:01, sector 6099124 > Device 08:01 not ready. > I/O error: dev 08:01, sector 6099125 > Device 08:01 not ready. > I/O error: dev 08:01, sector 6099283 > Device 08:01 not ready. > I/O error: dev 08:01, sector 6099028 > Device 08:01 not ready. > I/O error: dev 08:01, sector 6099284 > Device 08:01 not ready. > I/O error: dev 08:01, sector 6099539 > Device 08:01 not ready. > I/O error: dev 08:01, sector 6099028 > hub.c: new USB device 00:0e.2-2, assigned address 3 > </quote> Just more indications that the thing isn't working right -- which you already know. Alan Stern ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
