Bug 198803
| Summary: | Intel Bluetooth 8087:07dc on-board device disconnects from USB bus intermittently | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Dominik Mierzejewski (dominik) |
| Component: | Bluetooth | Assignee: | linux-bluetooth (linux-bluetooth) |
| Status: | NEW --- | ||
| Severity: | normal | ||
| Priority: | P1 | ||
| Hardware: | Intel | ||
| OS: | Linux | ||
| Kernel Version: | 4.14.18-300.fc27.x86_64 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: |
dmesg
lsusb output |
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Created attachment 274207 [details]
lsusb output
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Created attachment 274205 [details] 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.