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authorAlex Olson <alex.olson+yocto@gmail.com>2013-06-25 15:10:48 -0500
committerSaul Wold <sgw@linux.intel.com>2013-06-27 09:49:14 -0700
commit31ab19ab69bc6504df01cac7ee0670ca78d247ab (patch)
tree18b0130a70a0b751a74628d8f3232c4559b113e3 /meta/recipes-extended/tzdata
parentdde80e6fac83ca55644cb1b56cb55b2ba01c6564 (diff)
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udev: only use devtmpfs for udev
Fix for bug: https://bugzilla.yoctoproject.org/show_bug.cgi?id=4632 Since udev 172, the 'mknod' logic was removed from udev. Yocto Dylan is now using udev 182. This means /dev is now required to be a devtmpfs filesystem (maintained by the kernel). If the root filesystem is a ramdisk, the kernel's auto-mount of /dev doesn't activate since there is no rootfs to actually mount... The bug causes an unusable system as /dev doesn't contain even basic nodes required to even get a login prompt. The Yocto udev/init script mounts tmpfs if it does not detect tmpfs or devtmpfs mounted at /dev. This appears to be outdated logic that is no longer correct. I believe the Yocto udev init script should be checking and mounting only 'devtmpfs' on dev. Signed-off-by: Alex Olson <alex.olson+yocto@gmail.com> [YOCTO #4632] Signed-off-by: Saul Wold <sgw@linux.intel.com>
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