Strange problem : my root partition is mounted twice at boot

slainer68 · n00b Joined: 17 Aug 2003 Posts: 61

Very strange problem, i've just installed my gentoo with gentoo-sources and genkernel, etc... and I noticed that my root partition is mounted twice after the boot.

Thanks if you have any idea on this.

Here is my disc table :

cfdisk 2.12

Disk Drive: /dev/hda
Size: 82348277760 bytes, 82.3 GB
Heads: 255 Sectors per Track: 63 Cylinders: 10011

Name Flags Part Type FS Type [Label] Size (MB)
------------------------------------------------------------------------------
hda1 Boot Primary NTFS [^C] 31453.48
hda5 Logical NTFS [^B] 19979.21
hda6 Logical Linux ext2 32.91
hda7 Logical Linux swap 509.97
hda8 Logical Linux ext3 3997.49
hda9 Logical Linux ext3 5420.46

Here is my /etc/fstab that looks normal to me :

bash-2.05b# cat /etc/fstab
# /etc/fstab: static file system information.
# $Header: /home/cvsroot/gentoo-src/rc-scripts/etc/fstab,v 1.14 2003/10/13 20:03
:38 azarah Exp $
#
# noatime turns off atimes for increased performance (atimes normally aren't
# needed; notail increases performance of ReiserFS (at the expense of storage
# efficiency). It's safe to drop the noatime options if you want and to
# switch between notail and tail freely.

# <fs> <mountpoint> <type> <opts> <
dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/hda6 /boot ext2 noauto,noatime 1
1
/dev/hda8 / ext3 noatime 0
0
/dev/hda7 none swap sw 0
0
/dev/hda9 /home ext3 noatime 0
0
/dev/cdroms/cdrom0 /mnt/cdrom iso9660 noauto,ro 0
0
/dev/fd0 /mnt/floppy auto noauto 0
0

# NOTE: The next line is critical for boot!
none /proc proc defaults 0
0

# glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
# POSIX shared memory (shm_open, shm_unlink).
# (tmpfs is a dynamically expandable/shrinkable ramdisk, and will
# use almost no memory if not populated with files)
# Adding the following line to /etc/fstab should take care of this:

none /dev/shm tmpfs defaults 0
0

and when I do mount after startup :

bash-2.05b# mount
/dev/hda8 on / type ext3 (rw,noatime)
none on /tmp/.initrd/dev type devfs (rw)
/dev/hda8 on / type ext2 (rw,noatime)
none on /proc type proc (rw)
none on /dev type devfs (rw)
/dev/hda9 on /home type ext3 (rw,noatime)
none on /dev/shm type tmpfs (rw)
none on /proc/bus/usb type usbfs (rw)

and eventually :

bash-2.05b# dmesg | grep root
Kernel command line: BOOT_IMAGE=gentoo ro root=100 init=/linuxrc real_root=/dev/hda8
ACPI Namespace successfully loaded at root c016643c
VFS: Mounted root (ext2 filesystem) readonly.

kojiro

slainer68 · n00b Joined: 17 Aug 2003 Posts: 61

hum...

finally, i just compiled a new kernel (kernel 2.6.3) by hand instead of using genkernel and this problem disappeared by magic...

BWoso · Posted: Sun Feb 22, 2004 5:56 pm Post subject:

that's good. I have never used genkernel. It is always better to just do it manualy. That way you learn a lot and know exactly what is in your kernel
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jcosters · Posted: Mon Feb 23, 2004 3:00 pm Post subject:

I have the same problem

jcosters · Posted: Fri Mar 26, 2004 9:00 am Post subject:

Indeed, no problem when compiling it manually

kallamej · Posted: Fri Mar 26, 2004 10:59 am Post subject:

Here's the relevant bug report in case anyone wants to dig in deeper.
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pjp · Administrator Joined: 16 Apr 2002 Posts: 20067

https://forums.gentoo.org/viewtopic.php?t=144574
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