https://bugzilla.kernel.org/show_bug.cgi?id=198803 Bug ID: 198803 Summary: Intel Bluetooth 8087:07dc on-board device disconnects from USB bus intermittently Product: Drivers Version: 2.5 Kernel Version: 4.14.18-300.fc27.x86_64 Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Bluetooth Assignee: linux-bluetooth@xxxxxxxxxxxxxxx Reporter: dominik@xxxxxxxxxxxxxx Regression: No Created attachment 274205 --> https://bugzilla.kernel.org/attachment.cgi?id=274205&action=edit dmesg The on-board Bluetooth adapter in my laptop intermittently disconnects from USB bus. The following can be seen in dmesg: [287700.401545] usb 2-6: USB disconnect, device number 92 [287700.406679] Bluetooth: hci0 setting interface failed (19) [287700.655490] usb 2-6: new full-speed USB device number 34 using xhci_hcd [287700.782407] usb 2-6: New USB device found, idVendor=8087, idProduct=07dc [287700.782412] usb 2-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [287700.796715] Bluetooth: hci0: read Intel version: 370710018002030d56 [287700.796716] Bluetooth: hci0: Intel device is already patched. patch num: 56 [287721.158617] input: 00:02:3C:65:DD:EC as /devices/virtual/input/input71 [287986.962814] Bluetooth: hci0 SCO packet for unknown connection handle 0 [287986.962818] Bluetooth: hci0 SCO packet for unknown connection handle 0 [292278.831639] usb 2-6: USB disconnect, device number 34 I'm unable to reliably trigger this, but it happens a couple of times a day. -- You are receiving this mail because: You are the assignee for the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
