Try to rebuild kernel without USB3 support. This chipset is known unstable with it. This bug is pretty same to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1237296 Check with lsusb -t if affected device is bellow USB3 hub.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1260825 Title: 168c:0032 ath3k built-in bluetooth cannot load firmware - sporadic Status in “linux” package in Ubuntu: Incomplete Bug description: This is on an ASUS N550JV. Basically, the Bluetooth is sporadically available after restart/login. When not available, we get an error msg in dmesg about a patch that failed to load. $ sudo lsusb -v Bus 003 Device 016: ID 13d3:3402 IMC Networks Device Descriptor: bDeviceProtocol 1 Bluetooth idVendor 0x13d3 IMC Networks idProduct 0x3402 bcdDevice 0.02 iManufacturer 1 Atheros Communications iProduct 2 Bluetooth USB Host Controller iSerial 3 Alaska Day 2006 $ sudo lspci 04:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) dmesg: [ 13.663135] Bluetooth: Error in firmware loading err = -110,len = 448, size = 4096 [ 13.663173] Bluetooth: Loading patch file failed [ 13.663198] ath3k: probe of 3-5:1.0 failed with error -110 [ 13.663229] usbcore: registered new interface driver ath3k Things already tried (to no much avail): - Update BIOS to latest version - Install "bluetooth" package - Enable ath9k bt coexistence (as per http://5thpeephole.blogspot.be/2013/10/install-ubuntu-1310-in-asus-n550jv.html) - unload / reload ath3k module: $ sudo modprobe -r ath3k; sleep 1; sudo modprobe ath3k ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-firmware 1.116 ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7 Uname: Linux 3.11.0-14-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 Date: Fri Dec 13 18:18:34 2013 Dependencies: InstallationDate: Installed on 2013-12-07 (5 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MarkForUpload: True PackageArchitecture: all SourcePackage: linux-firmware UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 Dependencies: DistroRelease: Ubuntu 13.10 InstallationDate: Installed on 2013-12-07 (5 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MarkForUpload: True Package: linux-firmware 1.116 PackageArchitecture: all ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7 Tags: saucy Uname: Linux 3.11.0-14-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: --- ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 Dependencies: DistroRelease: Ubuntu 13.10 InstallationDate: Installed on 2013-12-07 (5 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MarkForUpload: True Package: linux-firmware 1.116 PackageArchitecture: all ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7 Tags: saucy Uname: Linux 3.11.0-14-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1260825/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
