Hello, I finally found a solution to my problem. In fact, the mounts made by udevd not being accessible to other processes comes from the way the system-udevd service is started. In the /lib/systemdsystem/system-udevd.service, I just remove the MountFlags=slave line and by doing that, all the mounts are shared (the default) and accessible by all the processes.
Regards, François Gallichand Engineer - Software Group ABB Group Analytical Business (418)877-2944 x268 [ABB logo] From: Li, Xin [mailto:lixin.f...@cn.fujitsu.com] Sent: Monday, December 15, 2014 8:23 PM To: Francois P. Gallichand; yocto@yoctoproject.org Subject: RE: USBmount and systemd-udev namespace conflict Hi, This is my way to use udev to automount a usb driver, perhaps it can help you. 1. Add udev rules. root # cat /etc/udev/rules.d/10-udevtest.rules KERNEL=="sda",ACTION=="add",OWNER:="udev",GROUP:="udevs" 2. Add user and group. root # useradd udev root # groupadd udevs 3. start the udev service root # systemctl start systemd-udevd.service root # ps aux | grep udev root 21927 0.3 0.0 26140 1388 ? Ss 22:51 0:00 /lib/systemd/systemd-udevd 4. insert usb driver 5. check root # ls /dev/sda -al brw-rw---- 1 udev udevs 8, 0 Sep 15 03:13 /dev/sda ----------------------------- Best regards, Li From: yocto-boun...@yoctoproject.org<mailto:yocto-boun...@yoctoproject.org> [mailto:yocto-boun...@yoctoproject.org] On Behalf Of Francois P. Gallichand Sent: Tuesday, December 16, 2014 3:34 AM To: yocto@yoctoproject.org<mailto:yocto@yoctoproject.org> Subject: [yocto] USBmount and systemd-udev namespace conflict Hello, I need to automount a usb drive when it is plugged in. I found that the necessary udev rules are in the udev-extraconf package so I added that to my build. I tried it but it does not really work since when I insert the key, it is in fact mounted by udev but since the mount namespace of udev is private and not the same one as the shell I want to check if the key is mounted, I don’t see it. Is there a way to tell udev to mount using a global namespace so it can be seen be everybody? Thanks. François Gallichand Engineer - Software Group ABB Group Analytical Business (418)877-2944 x268 [ABB logo]
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