did you already try David Brownell's patch?? According to him, this could be an sleep time error!
Below, Dave's patch: Tweak some early enumeration code paths: - After a set_address() error, reset the port. Failures in that particular protocol request leave the device's address indeterminate. - Let devices settle longer after successful SET_ADDRESS EXPERIMENTAL ... Index: g26/drivers/usb/core/hub.c =================================================================== --- g26.orig/drivers/usb/core/hub.c 2006-11-06 13:08:45.000000000 -0800 +++ g26/drivers/usb/core/hub.c 2006-11-06 14:13:55.000000000 -0800 @@ -2010,6 +2010,8 @@ static int hub_set_address(struct usb_de if (retval == 0) { usb_set_device_state(udev, USB_STATE_ADDRESS); ep0_reinit(udev); + /* allow HCD and peripheral time to settle */ + msleep(40); } return retval; } @@ -2195,24 +2197,27 @@ hub_port_init (struct usb_hub *hub, stru #undef GET_DESCRIPTOR_BUFSIZE } + /* after set_address faults it's not clear what the device's + * address will be. reset and be sure. + * + * REVISIT peripherals could trigger erroneous faults... + */ for (j = 0; j < SET_ADDRESS_TRIES; ++j) { retval = hub_set_address(udev); if (retval >= 0) break; - msleep(200); + (void) hub_port_reset(hub, port1, udev, delay); } if (retval < 0) { dev_err(&udev->dev, "device not accepting address %d, error %d\n", udev->devnum, retval); - goto fail; + continue; } - + /* cope with hardware quirkiness: - * - let SET_ADDRESS settle, some device hardware wants it * - read ep0 maxpacket even for high and low speed, - */ - msleep(10); + */ if (USE_NEW_SCHEME(retry_counter)) break; On Thu, 2006-11-30 at 11:05 -0600, ext Larry Fenske XX (BO/EUS) wrote: > I turn on the options suggested by Felipe Balbi (CONFIG_PREEMPT and > CONFIG_USB_DEBUG), along with applying David Brownell's patch and didn't > get much more in /var/log/messages: > > Nov 30 09:57:12 usboc0203 kernel: [61382.237911] usb 5-1: new full speed > USB device using uhci_hcd and address 10 > Nov 30 09:57:13 usboc0203 kernel: [61382.357608] usb 5-1: device > descriptor read/64, error -71 > Nov 30 09:57:13 usboc0203 kernel: [61382.581016] usb 5-1: device > descriptor read/64, error -71 > Nov 30 09:57:13 usboc0203 kernel: [61382.796455] usb 5-1: new full speed > USB device using uhci_hcd and address 11 > Nov 30 09:57:13 usboc0203 kernel: [61382.916151] usb 5-1: device > descriptor read/64, error -71 > Nov 30 09:57:13 usboc0203 kernel: [61383.139558] usb 5-1: device > descriptor read/64, error -71 > Nov 30 09:57:14 usboc0203 kernel: [61383.355007] usb 5-1: new full speed > USB device using uhci_hcd and address 12 > Nov 30 09:57:14 usboc0203 kernel: [61383.578414] usb 5-1: device not > accepting address 12, error -71 > Nov 30 09:57:14 usboc0203 kernel: [61383.905561] usb 5-1: device not > accepting address 12, error -71 > Nov 30 09:57:14 usboc0203 kernel: [61384.121014] usb 5-1: new full speed > USB device using uhci_hcd and address 13 > Nov 30 09:57:15 usboc0203 kernel: [61384.344425] usb 5-1: device not > accepting address 13, error -71 > Nov 30 09:57:15 usboc0203 kernel: [61384.671563] usb 5-1: device not > accepting address 13, error -71 > > If I leave the device plugged in after these errors, I can never access > it. If I unplug and plug it in again, then sometimes it will connect. > The successes and failures seem to come in runs, i.e. the chance of > success or failure is influenced by a previous success or failure. > > Is there any other debugging that I can turn on to get more information > from the driver? > > Thanks, > - Larry Fenske > > -----Original Message----- > From: Felipe Balbi [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 29, 2006 11:59 > To: Larry Fenske XX (BO/EUS) > Cc: Oliver Neukum; linux-usb-devel@lists.sourceforge.net > Subject: Re: [linux-usb-devel] Error -71 connecting IDEN phone > > * PGP Signed by an unknown key: 11/29/2006 at 07:58:59 PM > > ext Larry Fenske XX (BO/EUS) wrote: > > Yes, other devices work. I tried a USB flash drive (a.k.a. thumb > drive). It works fine in both USB ports that I tried it in. I can read > the filesystem on it. > > > > - Larry > > > > -----Original Message----- > > From: Oliver Neukum [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, November 29, 2006 2:49 AM > > To: linux-usb-devel@lists.sourceforge.net > > Cc: Larry Fenske XX (BO/EUS) > > Subject: Re: [linux-usb-devel] Error -71 connecting IDEN phone > > > > Am Dienstag, 28. November 2006 23:10 schrieb Larry Fenske XX (BO/EUS): > >> I am attempting to connect a Motorola IDEN phone to a Linux box. > Most > >> of the time I get an error -71 in /var/log/messages. Here are six > failed > >> attempts: > > > As define in include/linux/asm-generic/errno.h the error -71 is a > Protocol Error... > As we can see from kernel messages: > > > usb 5-1: new full speed USB device using address 2 > > usb 5-1: device not accepting address 2, error -71 > > The USB Host is not being able to set a device address... > > Could you please set CONFIG_PREEMPT and CONFIG_USB_DEBUG on the HOST > side... and send more verbose messages?? > > Another thing: Can you access the device anytime later?? If after some > error messages you're able to access the device it could be some > device-specific config... > > > > > Do any other USB devices work? > > > > Regards > > Oliver > > > > > ------------------------------------------------------------------------ > - > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to > share your > > opinions on IT & business topics through brief surveys - and earn cash > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDE > V > > _______________________________________________ > > linux-usb-devel@lists.sourceforge.net > > To unsubscribe, use the last form field at: > > https://lists.sourceforge.net/lists/listinfo/linux-usb-devel > > > -- > Best Regards, > > Felipe Balbi > [EMAIL PROTECTED] > OSMRC - INdT > > * Unknown Key > * 0xABA10B64 (L) > -- Best Regards, Felipe Balbi [EMAIL PROTECTED] OSMRC - INdT ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel