The dropbear package includes an initramfs script, /usr/share/initramfs-tools/scripts/init-premount/devpts, that mounts devpts a second time, after it's already been mounted by /usr/share/initramfs-tools/init, provided by initramfs-tools.
Line 23 in /usr/share/initramfs-tools/scripts/init-premount/devpts from dropbear:
mount -t devpts none /dev/pts
Line 25 in /usr/share/initramfs-tools/init from initramfs-tools:
mount -t devpts -o noexec,nosuid,gid=5,mode=0620 devpts /dev/pts || true
The second mount from dropbear fails since /dev/pts is already mounted, but it does change the mount options:
I'm not sure why dropbear tried to mount devpts a second time, but it seems like the best fix would just be to remove /usr/share/initramfs-tools/scripts/init-premount/devpts from dropbear
I'm on Precise using dropbear_2011.54-1 and initramfs-tools_0.99ubuntu10
The dropbear package includes an initramfs script, /usr/share/ initramfs- tools/scripts/ init-premount/ devpts, that mounts devpts a second time, after it's already been mounted by /usr/share/ initramfs- tools/init, provided by initramfs-tools.
Line 23 in /usr/share/ initramfs- tools/scripts/ init-premount/ devpts from dropbear:
mount -t devpts none /dev/pts
Line 25 in /usr/share/ initramfs- tools/init from initramfs-tools: nosuid, gid=5,mode= 0620 devpts /dev/pts || true
mount -t devpts -o noexec,
The second mount from dropbear fails since /dev/pts is already mounted, but it does change the mount options:
mwharris@ mwharris- test:~$ grep pts /proc/mounts noexec, relatime, mode=600, ptmxmode= 000 0 0
devpts /dev/pts devpts rw,nosuid,
I'm not sure why dropbear tried to mount devpts a second time, but it seems like the best fix would just be to remove /usr/share/ initramfs- tools/scripts/ init-premount/ devpts from dropbear
I'm on Precise using dropbear_2011.54-1 and initramfs- tools_0. 99ubuntu10