UbuntuGnome 15.10 - Teensy 3.1/3.2 programming issue

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raymondw

Active member
All,
I had a fine working Ubuntu 15.04 installation on my laptop with Arduino 1.6.4 and Teensyduino 1.24
But with the release of 15.10 and all the bug fixes I wanted to upgrade everything.
UbuntuGnome 15.10 / Arduino 1.6.5-r5 / Teensyduino 1.25

After some hours almost everything works fine.
But I have 1 problem I can't solve myself it seems...

Before I can program my Teensy 3.1 or 3.2 I need to "sudo udevadm trigger"
Already removed the modem manager, (re)installed the udev rules and disabled various management services.

So as stubborn as I am, I also upgraded my desktop and got the same problem.( :p )

Installed an older system with a standard 15.04 Desktop install and NO problem... so something in 15.10 is changed (15.04/1.6.5-r5/1.25)

Someone with an idea?
 
I dunno, I read that there wasn't much of any change between 15.04 and 15.10.

I didn't think there was even any difference in systemd. What does "dmesg" output when you plug in the teensy?

I have 15.04 working, but was not planning on moving to 15.10 on any of my PCs.
 
When I connect my Teensy 3.1 dmesg shows me this
Code:
[46660.190249] usb 4-1.1: USB disconnect, device number 14
[46667.553870] usb 4-1.1: new full-speed USB device number 15 using ehci-pci
[46667.648214] usb 4-1.1: New USB device found, idVendor=16c0, idProduct=0483
[46667.648219] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[46667.648222] usb 4-1.1: Product: USB Serial
[46667.648225] usb 4-1.1: Manufacturer: Teensyduino
[46667.648228] usb 4-1.1: SerialNumber: 723830
[46667.648661] cdc_acm 4-1.1:1.0: ttyACM0: USB ACM device

After the connect : udevadm trigger
I give it an upload via Arduino 1.6.5 and run dmesg again

Code:
[46817.286666] usb 4-1.1: USB disconnect, device number 15
[46817.585795] usb 4-1.1: new full-speed USB device number 16 using ehci-pci
[46817.679069] usb 4-1.1: New USB device found, idVendor=16c0, idProduct=0478
[46817.679074] usb 4-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[46817.679077] usb 4-1.1: SerialNumber: 00011ABF
[46817.680556] hid-generic 0003:16C0:0478.0007: hidraw4: USB HID v1.11 Device [HID 16c0:0478] on usb-0000:00:1d.7-1.1/input0
[46819.079931] usb 4-1.1: USB disconnect, device number 16
[46819.279001] usb 4-1.1: new full-speed USB device number 17 using ehci-pci
[46819.373362] usb 4-1.1: New USB device found, idVendor=16c0, idProduct=0483
[46819.373367] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[46819.373370] usb 4-1.1: Product: USB Serial
[46819.373373] usb 4-1.1: Manufacturer: Teensyduino
[46819.373376] usb 4-1.1: SerialNumber: 723830
[46819.373804] cdc_acm 4-1.1:1.0: ttyACM0: USB ACM device

Running tail -f /var/log/syslog
- disconnect
- connect
- udevadm trigger
- upload via Arduino

Code:
Nov  3 21:16:13 pentium kernel: [47051.948593] usb 4-1.1: USB disconnect, device number 17
Nov  3 21:16:16 pentium kernel: [47055.166409] usb 4-1.1: new full-speed USB device number 18 using ehci-pci
Nov  3 21:16:16 pentium kernel: [47055.260668] usb 4-1.1: New USB device found, idVendor=16c0, idProduct=0483
Nov  3 21:16:16 pentium kernel: [47055.260674] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Nov  3 21:16:16 pentium kernel: [47055.260677] usb 4-1.1: Product: USB Serial
Nov  3 21:16:16 pentium kernel: [47055.260680] usb 4-1.1: Manufacturer: Teensyduino
Nov  3 21:16:16 pentium kernel: [47055.260682] usb 4-1.1: SerialNumber: 723830
Nov  3 21:16:16 pentium kernel: [47055.261226] cdc_acm 4-1.1:1.0: ttyACM0: USB ACM device
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1/event1
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.0/usb5
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.2/usb7
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-2
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-0:1.0
Nov  3 21:16:39 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.0/usb5/5-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0/event0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.2/usb7/7-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input12
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-2/6-2:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input10
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input13
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input9
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input8
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.7/usb3
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-2/6-2:1.1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:02.0/0000:05:00.0/usb1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input11
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input14
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:02.0/0000:05:00.0/usb2
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:02.0/0000:05:00.0/usb1/1-0:1.0
Nov  3 21:16:40 pentium NetworkManager[700]: <info>  device changed (path: /sys/devices/pci0000:00/0000:00:1c.2/0000:0c:00.0/net/eth1, iface: eth1)
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.7/usb3/3-0:1.0
Nov  3 21:16:40 pentium NetworkManager[700]: <info>  device changed (path: /sys/devices/pci0000:00/0000:00:1c.1/0000:0d:00.0/net/eth0, iface: eth0)
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input15
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-2/6-2:1.1/usbmisc/hiddev0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:02.0/0000:05:00.0/usb2/2-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input17
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input18
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input16
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input19
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-2/6-2:1.1/0003:058F:6364.0001
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input12/event9
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input10/event7
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input14/event11
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input15/event12
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input8/event5
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input9/event6
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input13/event10
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input17/event14
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1b.0/sound/card0/input11/event8
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input18/event15
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input19/event16
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.0/usb8
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.1/usb9
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-2
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-2/10-2:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-2/10-2:1.0/0003:045E:001E.0004
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.1/usb9/9-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0/0000:03:00.0/0000:04:00.1/sound/card1/input16/event13
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.0/usb8/8-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.1/0003:046D:C505.0003
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.1/0003:046D:C505.0003/input/input6
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-2/10-2:1.0/0003:045E:001E.0004/input/input7
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-0:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.0/0003:046D:C505.0002
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-2
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.0/0003:046D:C505.0002/input/input5
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.1/0003:046D:C505.0003/input/input6/mouse0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-1/4-1:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-2/4-2.1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-1/4-1.1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-2/10-2:1.0/0003:045E:001E.0004/input/input7/mouse1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-2/4-2.1/4-2.1:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.1/0003:046D:C505.0003/input/input6/event3
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-2/4-2:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-1/4-1.1/4-1.1:1.1
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.7/usb4/4-1/4-1.1/4-1.1:1.0
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-1/10-1:1.0/0003:046D:C505.0002/input/input5/event2
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/pci0000:00/0000:00:1d.2/usb10/10-2/10-2:1.0/0003:045E:001E.0004/input/input7/event4
Nov  3 21:16:40 pentium upowerd[1205]: (upowerd:1205): UPower-Linux-WARNING **: treating change event as add on /sys/devices/virtual/input/mice
Nov  3 21:16:40 pentium NetworkManager[700]: <info>  device changed (path: /sys/devices/virtual/net/virbr0, iface: virbr0)
Nov  3 21:16:40 pentium NetworkManager[700]: <info>  device changed (path: /sys/devices/virtual/net/virbr0-nic, iface: virbr0-nic)
Nov  3 21:16:40 pentium NetworkManager[700]: <info>  device changed (path: /sys/devices/virtual/net/lo, iface: lo)
Nov  3 21:20:59 pentium gnome-session[2497]: *sketch*.ino: In function 'bool GPS_UBLOX(uint8_t)':
Nov  3 21:20:59 pentium gnome-session[2497]: *sketch*.ino:494:39: warning: array subscript is above array bounds [-Warray-bounds]
Nov  3 21:21:00 pentium gnome-session[2497]: Sketch uses 100,832 bytes (38%) of program storage space. Maximum is 262,144 bytes.
Nov  3 21:21:00 pentium gnome-session[2497]: Global variables use 6,604 bytes (10%) of dynamic memory, leaving 58,932 bytes for local variables. Maximum is 65,536 bytes.
Nov  3 21:21:02 pentium kernel: [47341.186235] usb 4-1.1: USB disconnect, device number 18
Nov  3 21:21:02 pentium kernel: [47341.388410] usb 4-1.1: new full-speed USB device number 19 using ehci-pci
Nov  3 21:21:02 pentium kernel: [47341.481574] usb 4-1.1: New USB device found, idVendor=16c0, idProduct=0478
Nov  3 21:21:02 pentium kernel: [47341.481579] usb 4-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
Nov  3 21:21:02 pentium kernel: [47341.481582] usb 4-1.1: SerialNumber: 00011ABF
Nov  3 21:21:02 pentium kernel: [47341.483103] hid-generic 0003:16C0:0478.0008: hidraw4: USB HID v1.11 Device [HID 16c0:0478] on usb-0000:00:1d.7-1.1/input0
Nov  3 21:21:02 pentium gnome-session[2497]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x560002b (Programmin)
Nov  3 21:21:02 pentium gnome-session[2497]: (gnome-shell:2591): GLib-GObject-WARNING **: /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gobject/gsignal.c:2634: instance '0x2491d80' has no handler with id '453557'
Nov  3 21:21:02 pentium gnome-session[2497]: (gnome-shell:2591): GLib-GObject-WARNING **: /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gobject/gsignal.c:2634: instance '0x2491d80' has no handler with id '453558'
Nov  3 21:21:02 pentium gnome-session[2497]: (gnome-shell:2591): GLib-GObject-WARNING **: /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gobject/gsignal.c:2634: instance '0xbc68f20' has no handler with id '453557'
Nov  3 21:21:02 pentium gnome-session[2497]: (gnome-shell:2591): GLib-GObject-WARNING **: /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gobject/gsignal.c:2634: instance '0xbc68f20' has no handler with id '453558'
Nov  3 21:21:03 pentium gnome-session[2497]: (gnome-shell:2591): GLib-GObject-WARNING **: /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gobject/gsignal.c:2634: instance '0x2491d80' has no handler with id '505909'
Nov  3 21:21:03 pentium gnome-session[2497]: (gnome-shell:2591): GLib-GObject-WARNING **: /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gobject/gsignal.c:2634: instance '0x2491d80' has no handler with id '505910'
Nov  3 21:21:03 pentium kernel: [47342.979453] usb 4-1.1: USB disconnect, device number 19
Nov  3 21:21:04 pentium kernel: [47343.177651] usb 4-1.1: new full-speed USB device number 20 using ehci-pci
Nov  3 21:21:04 pentium kernel: [47343.272056] usb 4-1.1: New USB device found, idVendor=16c0, idProduct=0483
Nov  3 21:21:04 pentium kernel: [47343.272062] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Nov  3 21:21:04 pentium kernel: [47343.272065] usb 4-1.1: Product: USB Serial
Nov  3 21:21:04 pentium kernel: [47343.272068] usb 4-1.1: Manufacturer: Teensyduino
Nov  3 21:21:04 pentium kernel: [47343.272070] usb 4-1.1: SerialNumber: 723830
Nov  3 21:21:04 pentium kernel: [47343.272602] cdc_acm 4-1.1:1.0: ttyACM0: USB ACM device
 
When I plug the Teensy in, the file /dev/ttyACM0 is created
I can see the serial output when I use an echo(demo) sketch

But I can only program the Teensy if do an "udevadm trigger" before I hit the upload button.

After the upload the /dev/ttyACM0 is there and serial output also works fine.
But programming fails again, until I type "udevadm trigger"
etc etc etc

Everything, except the upload, works fine.
 
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