Le 25/09/13 17:00, Stéphane Glondu a écrit :
Le 24/09/2013 17:49, Ludovic Rousseau a écrit :
After resume, I get:
[...]
Then after a while, I get:
[...]
Actually, the "after a while" part corresponds to me switching off
radio and doesn't seem to happen by itself. And only 4 "Device removed"
events occur (no loop in output). I misinterpreted, sorry. pcscd is
still using 100% CPU after switching off radio, though.
You do:
1. Switch off wireless (using the hardware button)
2. Suspend
3. Resume
4. Switch on wireless
Does pcscd uses 100% CPU at this step?
Then you do:
5. switch off radio
you get 4 "Device removed" messages from pcscd and then nothing more. pcscd
becomes quiet.
Exact?
And pcscd uses 100% CPU but without logging anthing. Exact?
Can you run: "udevadm monitor" in another terminal and then try to
reproduce the problem using the 4 steps?
Send me the output of the command.
When I switch on radio, I get:
KERNEL[2889.857590] add /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4
(usb)
KERNEL[2889.857704] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0 (usb)
KERNEL[2889.857889] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0
(bluetooth)
KERNEL[2889.857919] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0/rfkill2
(rfkill)
KERNEL[2889.857937] change
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0/rfkill2
(rfkill)
KERNEL[2889.858086] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.1 (usb)
KERNEL[2889.858152] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.2 (usb)
KERNEL[2889.858217] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.3 (usb)
UDEV [2889.859907] add /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4
(usb)
UDEV [2889.865916] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0 (usb)
UDEV [2889.865951] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.2 (usb)
UDEV [2889.866724] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0
(bluetooth)
UDEV [2889.867536] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0/rfkill2
(rfkill)
UDEV [2889.867820] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.3 (usb)
UDEV [2889.868017] change
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0/rfkill2
(rfkill)
UDEV [2889.868945] add
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.1 (usb)
KERNEL[2892.780180] change
/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/bcma0:0/ieee80211/phy0/rfkill0
(rfkill)
UDEV [2892.780530] change
/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/bcma0:0/ieee80211/phy0/rfkill0
(rfkill)
And what is the "udevadm monitor" output when you switch OFF the radio?
I would like to know what step exactly make pcscd use 100% CPU. And also what happens
with "udevadm monitor" at this moment.
Thanks,
--
Dr. Ludovic Rousseau
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