On Thu, 1 Sep 2011, Oliver Neukum wrote: > Am Donnerstag, 1. September 2011, 07:36:10 schrieb Harald Dunkel: > > On 08/28/11 12:07, Oliver Neukum wrote: > > > Am Sonntag, 28. August 2011, 11:49:57 schrieb Harald Dunkel: > > Hi, > > > >> [ 91.589073] usb 2-5: new full speed USB device number 8 using ohci_hcd [ 91.709067] usb 2-5: device descriptor read/64, error -62 [ 91.930059] usb 2-5: device descriptor read/64, error -62 [ 92.144054] usb 2-5: new full speed USB device number 9 using ohci_hcd [ 92.264073] usb 2-5: > > >> device descriptor read/64, error -62 [ 92.485064] usb 2-5: device descriptor read/64, error -62 [ 92.699091] usb 2-5: new full speed USB device number 10 using ohci_hcd [ 93.103040] usb 2-5: device not accepting address 10, error -62 [ 93.216102] usb 2-5: new full speed USB device > > >> number 11 using ohci_hcd [ 93.620038] usb 2-5: device not accepting address 11, error -62 [ 93.620072] hub 2-0:1.0: unable to enumerate USB device on port 5 > > >> > > >> Booting with noapic fixes this problem. > > > > > > Do any other USB devices work on that OHCI? > > > > > > > Sorry for the delay. > > > > It seems that this problem comes up by chance (with or without > > noapic). If I move the dongle to another USB slot then the problem > > is gone. By now the Bluetooth dongle is the only device showing this > > problem. > > > > Here is the output of lsusb with all devices plugged in and > > working: > > > > Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Bus 002 Device 002: ID 04fc:0c15 Sunplus Technology Co., Ltd SPIF215A SATA bridge > > Bus 001 Device 007: ID 046d:c525 Logitech, Inc. MX Revolution Cordless Mouse > > Bus 001 Device 008: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) > > Bus 001 Device 009: ID 04f2:0402 Chicony Electronics Co., Ltd Genius LuxeMate i200 Keyboard > > > > Removing the usb drive or the keyboard doesn't make the bluetooth > > dongle more stable. > > Voodoo. Does anybody have any ideas? It sounds like the dongle is making a bad electrical connection, or there's a bad voltage, or something like that. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
