On Friday 25 November 2005 12:59 am, jinqi huang wrote: > Hi ALL, > When I connect devices to tier 2 hub(Host+RootHub > named tier 1 according to USB specification), all > devices cannot be detected on ppc32/ppc64 machine, but > all these devices connected to root hub, all work > fine ... > T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 5 > B: Alloc= 0/800 us ( 0%), #Int= 1, #Iso= 0 > D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs= 1 > P: Vendor=0000 ProdID=0000 Rev= 2.06 > S: Manufacturer=Linux 2.6.5-203 ehci_hcd
Does this still happen with Linux 2.6.14? > S: Product=NEC Corporation USB 2.0 > S: SerialNumber=0000:c8:01.2 > C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA > I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=256ms > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 4 > D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 > P: Vendor=05e3 ProdID=0660 Rev= 5.07 Does it happen with non-GeneSys hubs? > S: Product=USB2.0 Hub > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA > I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 > Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms Plus, you've not actually described the failure mode. If it happens on 2.6.14, include the CONFIG_USB_DEBUG kernel output for enumeration failing. - Dave ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
