On Friday 21 January 2005 3:35 pm, Robert Urban wrote: > > Hello David, > > a *while* ago I complained about not achieving a high-speed (2.0) > connection with an external USB 2.0 hard drive, and you asked for > some info (see below). I apologize for the very long delay. > I have finally managed to collect the info, and I'd be very > grateful if you'd have a look.
At this point it'd be most useful if you just tried 2.6.11-rc1, which seems to have resolved this problem for most folk. - Dave > I check the BIOS -- USB legacy support is disabled and always has been. > > The "dmesg" output for a good (2.6.5) and a bad (2.6.9) can be found at > the following webpage: > > http://www.spielwiese.de/USB/ > > If something is missing, please let me know! I'll do my best to get > the information for you. > > cheers, > > Robert Urban > > David Brownell wrote on 17-SEP-2004: > > On Sunday 05 September 2004 8:18 pm, Robert Urban wrote: > > > > > > Since you're seeing catastrophic errors very early, a wiring > > > > problem like that could explain everything... > > > > > > If they were reversed, I'm guessing low-speed devices (USB1.1) would not > > > work, yes? But low-speed devices *do* work on all 6 ports (depending on > > > what kernel is booted...). I'm pretty careful about connecting things. > > > > OK, so that's not it. Have you disabled the USB legacy support in your > > BIOS? Some folks have had problems in that area; recent kernels may > > have traded off one set of BIOS problems for another, with a patch > > that went in sometime after 2.6.5. > > > > Again, since this happens so early that strongly suggests it's more in > > chip/board/driver/... setup than anything else. Recently that seems to > > translate best to "BIOS issues". > > > > In general it'd also help to see the CONFIG_USB_DEBUG output for > > that driver initialization, including the register dumps. That'd come > > from "dmesg" output, not /var/log/messages. Needed for both > > a "works" case (2.6.5) and a "fails" case (2.6.current?); what'd be > > interesting is any differences. > > > > > > > I don't know if you're familiar with MSI products, and I don't know if all > > > their MBs are similar, but I've got 2 MBs of theirs, and they both came > > > with a so-called "D-Bracket" which simply has 4 LEDs which show HW status. > > > Also on the D-Bracket are two USB jacks connected to a 30-40cm cable which > > > plugs into a jumper-block on the MB. I would be very surprised if MSI > > > delivered bundled HW with their MB which was bad... > > > > I seem to recall they shipped some early Athlon dual-CPU boards > > with southbridge USB that was "known broken", but that's a different > > issue. They made up for it by bundling USB 2.0 cards from NEC, > > and the problem went away for good with the MPX chipset. > > > > - Dave > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 > > Project Admins to receive an Apple iPod Mini FREE for your judgement on > > who ports your project to Linux PPC the best. Sponsored by IBM. > > Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php > > _______________________________________________ > > linux-usb-devel@lists.sourceforge.net > > To unsubscribe, use the last form field at: > > https://lists.sourceforge.net/lists/listinfo/linux-usb-devel > > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting > Tool for open source databases. Create drag-&-drop reports. Save time > by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. > Download a FREE copy at http://www.intelliview.com/go/osdn_nl > _______________________________________________ > linux-usb-devel@lists.sourceforge.net > To unsubscribe, use the last form field at: > https://lists.sourceforge.net/lists/listinfo/linux-usb-devel > ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel