Re: grub2-mkconfig with root on rootfs

[Peter Volkov]

В Вт, 01/10/2013 в 10:59 +0400, Andrey Borzenkov пишет:
> On Tue, Oct 1, 2013 at 1:51 AM, Peter Volkov <address@hidden> wrote:
> > We are using may be strange but rather convenient scheme of booting
> > linux where real system root is all inside initramfs (/init is symlink
> > to /sbin/init). Everything works fine but grub2-mkconfig that ends out
> > the error:
> >
> > /usr/sbin/grub2-probe: error: failed to get canonical path of `rootfs'.
> >
> > Sure with root on rootfs this grub2-probe is not supposed to work.
> >
> > # mount | grep ' / '
> > rootfs on / type rootfs (rw)
> 
> Could you show full /proc/mounts (or even better, /proc/self/mountinfo)?

Yup, here is /proc/self/mountinfo:
1 1 0:1 / / rw - rootfs rootfs rw
14 1 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw
15 1 0:13 / /run rw,nosuid,nodev,relatime - tmpfs tmpfs rw,mode=755
16 1 0:5 / /dev rw,nosuid,relatime - devtmpfs udev
rw,size=10240k,nr_inodes=4080125,mode=755
17 16 0:10 / /dev/pts rw,nosuid,noexec,relatime - devpts devpts
rw,gid=5,mode=620,ptmxmode=000
18 16 0:14 / /dev/shm rw,nosuid,nodev,noexec,relatime - tmpfs shm rw
19 1 0:15 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw
20 19 0:12 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime -
securityfs securityfs rw
21 19 0:7 / /sys/kernel/debug rw,nosuid,nodev,noexec,relatime - debugfs
debugfs rw
22 19 0:16 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs
cgroup_root rw,size=10240k,mode=755
23 22 0:17 / /sys/fs/cgroup/openrc rw,nosuid,nodev,noexec,relatime -
cgroup openrc
rw,release_agent=/lib64/rc/sh/cgroup-release-agent.sh,name=openrc
24 22 0:18 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime -
cgroup cpuset rw,cpuset
25 22 0:19 / /sys/fs/cgroup/cpu rw,nosuid,nodev,noexec,relatime - cgroup
cpu rw,cpu
26 22 0:20 / /sys/fs/cgroup/cpuacct rw,nosuid,nodev,noexec,relatime -
cgroup cpuacct rw,cpuacct
27 22 0:21 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime -
cgroup devices rw,devices
28 22 0:22 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime -
cgroup freezer rw,freezer
29 22 0:23 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime -
cgroup blkio rw,blkio
30 22 0:24 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime -
cgroup perf_event rw,perf_event

--
Peter.