Return-Path: From: Ed Tomlinson To: Oliver Neukum Subject: Re: [BUG] usb problems in .38-rc3+ Date: Mon, 7 Feb 2011 19:20:21 -0500 Cc: linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-usb@vger.kernel.org References: <201102051417.58953.edt@aei.ca> <201102071009.51238.oneukum@suse.de> In-Reply-To: <201102071009.51238.oneukum@suse.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Message-Id: <201102071920.22543.edt@aei.ca> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: On Monday 07 February 2011 04:09:51 Oliver Neukum wrote: > Am Samstag, 5. Februar 2011, 20:17:57 schrieb Ed Tomlinson: > > Hi, > > > > My bluetooth usb dongle has stopped working in .38-rc3+ > > > > Bus 002 Device 008: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) > > > > and in dmesg > > > > [108495.369056] usb 5-1: new full speed USB device using ohci_hcd and address 3 > > [108495.573077] usb 5-1: New USB device found, idVendor=0a12, idProduct=0001 > > [108495.580099] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > > [108652.971977] usb 5-1: USB disconnect, address 3 > > [108652.972718] btusb_bulk_complete: hci0 urb ffff8800684e99c0 failed to resubmit (19) > > [108652.973725] btusb_bulk_complete: hci0 urb ffff8800684e9c00 failed to resubmit (19) > > [108652.974707] btusb_intr_complete: hci0 urb ffff8800684e9840 failed to resubmit (19) > > [108653.001690] btusb_send_frame: hci0 urb ffff8800bb42a240 submission failed > > [108657.007541] usb 2-4.7: new full speed USB device using ehci_hcd and address 8 > > [108657.147736] usb 2-4.7: New USB device found, idVendor=0a12, idProduct=0001 > > [108657.154954] usb 2-4.7: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > > > > Its been working for years here. > > > > Any ideas on what to try or additional info to gather? > > Please test what happens if you disable runtime power management. After a pointer from Oliver I booted with usbcore.autosuspend=30000 and verified the device used the parm via /sys/bus... Still did not work. Bisect or are there some other things to try? Thanks Ed