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I just noticed I can no longer use bluetooth with the 4.14.15 kernel. This |
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laptop has a shared bluetooth and WiFi mini card, which has never worked |
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properly (see attached hardware details). |
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|
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Although MWindows has no problem, in Linux I have to disable WiFi when I need |
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to use bluetooth! O_o |
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|
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Anyway, I now discovered that bluetooth won't work and /lib/systemd/systemd- |
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udevd --daemon is pegged at 100% of CPU time. Switching off the mini-card |
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using a keyboard button does not stop udevd from running hot. It just drops |
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from 100% to 45% until I kill the process manually. |
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|
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|
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udevadm monitor shows: |
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|
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KERNEL[281.040708] bind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.040855] unbind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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UDEV [281.041192] unbind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.044485] bind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.044596] unbind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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UDEV [281.044969] bind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.048056] bind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.048257] unbind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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UDEV [281.048534] unbind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.051754] bind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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KERNEL[281.051995] unbind /devices/pci0000:00/0000:00:1d.0/ |
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usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0 (usb) |
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|
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non stop. Syslog does not show anything unusual. |
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|
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Has anyone noticed something similar? How do I troubleshoot this? |
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-- |
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Regards, |
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Mick |
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