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From: Gerhard Wiesinger <lists-tcxHB8FAk+J54TAoqtyWWQ@public.gmane.org>
To: initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Udev problem with FC24 (was ok in FC23)
Date: Fri, 1 Jul 2016 19:55:50 +0200	[thread overview]
Message-ID: <2b2d505f-1119-2b1d-9a80-16c6bd2e30e0@wiesinger.com> (raw)

Hello,

I had the following configuration on FC23 (systemd-222-14.fc23) which 
worked perfectly (ARM system):

cat /etc/udev/rules.d/8-usb-modem.rules
# Huawei E169
SUBSYSTEM=="tty", ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001", 
ATTRS{product}=="HUAWEI Mobile", ATTRS{version}==" 1.10", 
ENV{ID_USB_INTERFACE_NUM}=="00" SYMLINK+="ttyUSB-modem-at"
SUBSYSTEM=="tty", ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001", 
ATTRS{product}=="HUAWEI Mobile", ATTRS{version}==" 1.10", 
ENV{ID_USB_INTERFACE_NUM}=="01" SYMLINK+="ttyUSB-modem-aux"
SUBSYSTEM=="tty", ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001", 
ATTRS{product}=="HUAWEI Mobile", ATTRS{version}==" 1.10", 
ENV{ID_USB_INTERFACE_NUM}=="02" SYMLINK+="ttyUSB-modem-third"

After upgrade to FC24 (systemd-udev-229-8.fc24.armv7hl) I have the 
problem that ttyUSB-modem-at link is not set.

lrwxrwxrwx 1 root root           7 Jul  1 18:49 ttyUSB-modem-aux -> ttyUSB2
lrwxrwxrwx 1 root root           7 Jul  1 18:49 ttyUSB-modem-third -> 
ttyUSB3

I tried also:

# OK:
KERNEL=="ttyUSB1", SUBSYSTEM=="tty", ATTRS{idVendor}=="12d1", 
ATTRS{idProduct}=="1001", ATTRS{product}=="HUAWEI Mobile", 
ATTRS{version}==" 1.10" SYMLINK+="ttyUSB-modem-at"
# NOT OK:
KERNEL=="ttyUSB1", DRIVERS=="option", SUBSYSTEM=="tty", 
ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001", 
ATTRS{product}=="HUAWEI Mobile", ATTRS{version}==" 1.10" 
SYMLINK+="ttyUSB-modem-at"

So when something more specific correct filter is added it doesn't work 
any more (I tried several different more distinct filters):

I tried already: udevadm info --attribute-walk /dev/ttyUSB1 which looks good

First lines are:

    looking at device 
'/devices/platform/soc@01c00000/1c14000.usb/usb3/3-1/3-1.1/3-1.1:1.0/ttyUSB1/tty/ttyUSB1':
      KERNEL=="ttyUSB1"
      SUBSYSTEM=="tty"
      DRIVER==""

    looking at parent device 
'/devices/platform/soc@01c00000/1c14000.usb/usb3/3-1/3-1.1/3-1.1:1.0/ttyUSB1':
      KERNELS=="ttyUSB1"
      SUBSYSTEMS=="usb-serial"
      DRIVERS=="option1"
      ATTRS{port_number}=="0"

    looking at parent device 
'/devices/platform/soc@01c00000/1c14000.usb/usb3/3-1/3-1.1/3-1.1:1.0':
      KERNELS=="3-1.1:1.0"
      SUBSYSTEMS=="usb"
      DRIVERS=="option"
      ATTRS{authorized}=="1"
      ATTRS{bAlternateSetting}==" 0"
      ATTRS{bInterfaceClass}=="ff"
      ATTRS{bInterfaceNumber}=="00"
      ATTRS{bInterfaceProtocol}=="ff"
      ATTRS{bInterfaceSubClass}=="ff"
      ATTRS{bNumEndpoints}=="03"
      ATTRS{interface}=="Data Interface"
      ATTRS{supports_autosuspend}=="1"

This one looks also good:

ls -l /dev/serial/by-id/usb-ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ_HUAWEI_Mobile-if00-port0
lrwxrwxrwx 1 root root 13 Jul  1 18:49 
/dev/serial/by-id/usb-ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ_HUAWEI_Mobile-if00-port0 -> 
../../ttyUSB1

I don't think I did anything wrong so it looks to be a bug.

Any ideas?

Thank you.

Ciao,

Gerhard


--

https://www.wiesinger.com/

next             reply	other threads:[~2016-07-01 17:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-01 17:55 Gerhard Wiesinger [this message]
     [not found] ` <2b2d505f-1119-2b1d-9a80-16c6bd2e30e0-tcxHB8FAk+J54TAoqtyWWQ@public.gmane.org>
2016-07-04 11:38   ` Udev problem with FC24 (was ok in FC23) Harald Hoyer
  -- strict thread matches above, loose matches on Subject: below --
2016-07-02  6:13 Gerhard Wiesinger

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