greg k-h thanks for your reply, from which verison of udev no longger creates the device nodes? I awaly use a very old udev. now I want upgrade udev to 182, but failed, should I enable DEVTMPFS ? and I had tried to build kernel with CONFIG_DEVTMPFS, and also cannot find dynamic device node be created. / # zcat /proc/config.gz |grep CONFIG_DEVTMPFS CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y On Tue, Jun 3, 2014 at 11:55 AM, Greg KH <greg@xxxxxxxxx> wrote: > On Tue, Jun 03, 2014 at 11:05:08AM +0800, 李建文 wrote: >> I cross build Udev and run on arm and found cannot creat device node. >> >> Linux version 3.0.35 (gcc version 4.6.2 20110630 (prerelease) >> (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20) ) #161 >> SMP PREEMPT Fri May 30 18:21:18 CST 2014 >> >> udev 182 > > Are you using DEVTMPFS in your kernel? udev no longer creates the > device nodes, the kernel does. > > thanks, > > greg k-h -- Javen / Jianwen Li / 李建文 Tel：086-0571-86849591 EXT 3516 Mob:15067198505 Email:jwli@xxxxxxxxxxxxxxx Department: System Development（HZ） Posts: Linux Drvier Engineer Grandstream Networks, inc. (China) -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
