The bug is present on my system.
It was temporarily solved with workaround from
https://dev.solus-project.com/T5224, but I don't use Bluetooth and so don't
know if it is now working.
* Infos from uname
Linux 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:15:38 UTC 2018 i686 i686
i686 GNU/Linux
Ubuntu 4.15.0-20.21-generic 4.15.17
* From dmidecode
System Information
Manufacturer: Dell Inc.
Product Name: Vostro 3700
Version: A10
Base Board Information
Manufacturer: Dell Inc.
Product Name: 07VWR8
Version: A10
Features:
Board is a hosting board
Board is replaceable
Type: Motherboard
OEM Strings
String 1: Dell System
String 2: 5[0003]
String 3: 13[PP41L]
BIOS Information
Vendor: Dell Inc.
Version: A10
Release Date: 10/25/2010
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 2048 kB
Characteristics:
MCA is supported
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
ESCD support is available
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 kB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
ATAPI Zip drive boot is supported
BIOS boot specification is supported
Targeted content distribution is supported
BIOS Revision: 1.254
Firmware Revision: 1.254
* From /sys/kernel/debug/usb/devices
T: Bus=01 Lev=03 Prnt=03 Port=02 Cnt=03 Dev#= 7 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=413c ProdID=8160 Rev= 1.73
S: Manufacturer=Dell Computer Corp
S: Product=Dell Wireless 365 Bluetooth Module
C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 32 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 32 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 64 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 64 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 64 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 64 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=84(I) Atr=02(Bulk) MxPS= 32 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 32 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=00 Driver=(none)
* From udevadm
UDEV [947.284638] unbind
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0 (usb)
KERNEL[947.289860] bind
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0 (usb)
KERNEL[947.290052] unbind
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0 (usb)
* From journalctl
mag 18 17:07:42 upowerd[10489]: unhandled action 'bind' on
/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0
mag 18 17:07:42 systemd-udevd[323]: Process 'hid2hci --method=dell
--devpath=/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0'
failed with exit code 1.
mag 18 17:07:42 upowerd[10489]: unhandled action 'unbind' on
/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0
* From systemd-udevd
'hid2hci --method=dell
--devpath=/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0'(err)
'error: switching device
'/sys//devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0'
failed.'
* From /proc/modules
btusb 40960 0 - Live 0xf8ae7000
btrtl 16384 1 btusb, Live 0xf8957000
btbcm 16384 1 btusb, Live 0xf88ea000
btintel 16384 1 btusb, Live 0xf88c4000
bluetooth 466944 31 rfcomm,bnep,btusb,btrtl,btbcm,btintel, Live 0xf8f77000
ecdh_generic 28672 1 bluetooth, Live 0xf88ef000
* From /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/product
BCM2046B1
* From /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/uevent
MAJOR=189
MINOR=2
DEVNAME=bus/usb/001/003
DEVTYPE=usb_device
DRIVER=usb
PRODUCT=a5c/4500/100
TYPE=9/0/0
BUSNUM=001
DEVNUM=003
* From /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/version
2.00
* From /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/uevent
MAJOR=189
MINOR=5
DEVNAME=bus/usb/001/006
DEVTYPE=usb_device
DRIVER=usb
PRODUCT=413c/8162/100
TYPE=0/0/0
BUSNUM=001
DEVNUM=006
* From
/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.0/uevent
DEVTYPE=usb_interface
PRODUCT=413c/8162/100
TYPE=0/0/0
INTERFACE=3/1/2
MODALIAS=usb:v413Cp8162d0100dc00dsc00dp00ic03isc01ip02in00
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https://bugs.launchpad.net/bugs/1759836
Title:
systemd-udevd consumes 100% of CPU
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