David Brownell wrote: >On Monday 02 May 2005 12:36 pm, Brian Beardall wrote: > > >>David Brownell wrote: >>I enabled the CONFIG_USB_DEBUG, and this is what I get: >> >>ohci_hcd 0000:00:07.4: bogus NDP=255, rereads as NDP=4 >>irq 10: nobody cared! >> [<c01356aa>] __report_bad_irq+0x2a/0x90 >> ... >> >> > >Well that's strange. It would appear that maybe on your >board, the erratum #4 workaround isn't adequate. There >were multiple revisions of that chip ... maybe you're >looking at early ones, with additional errata? > > > I checked the revision of the southbridge, and it is a revision D, but I am not sure whether it is a revision D2, or D4.
>>handlers: >>[<c0335650>] (ohci_irq_handler+0x0/0x7a0) >>[<c034db70>] (usb_hcd_irq+0x0/0x70) >>Disabling IRQ #10 >> >> > >In that case it appears like maybe part of the problem is that >you've got a FireWire controller on the same IRQ. Try moving >that card to another PCI slot; maybe that's making trouble too. > > > I have taken everything out of the computer but the network card, and video card, and it still crashes exactly the same. The other computer also crashes exactly the same so I doubt that the IEEE 1394 OHCI card/driver is causing any problem. >>The last message before the IRQ nobody cared is either the NDP error or >>I get the hub_port_status failed message. It depends on it attitude at >>the time of crash. This may be able to be explained by Erratum #4. If >>the root hub were to be reset during use >> >> > >That should never happen. > > It should never happen, but the crash doesn't make sense. > > > >>usb usb1: Product: Advanced Micro Devices [AMD] AMD-756 [Viper] USB >>usb usb1: Manufacturer: Linux 2.6.11-gentoo-r6 ohci_hcd >> >> > >How does 2.6.12-rc2 behave? > >For the usual reasons, most of us don't want to hear about kernels >with random patches we didn't provide ... :) > >- Dave > > The 2.6.12-rc3 behaves exactly the same so I went back to the gentoo-sources so I could I my splash screen at boot time. I was hoping that the 2.6.12-rc3 would fix the usb issues, and I was dissappointed. It would be nice to see what exactly is causing it to crash. ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
