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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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 Posted: Fri Mar 12, 2004 4:10 am Post subject: Maintanence on shutdown?? |
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I was wondering about this matanence thing on shutdown and if anyone knows anything about it????
When I shutdown or reboot my machine I get this message that I need to either hit Ctrl+D or type in root passwd to to maintenance?
Upon typing in my passwd I check mount and /dev/hdb4 is still mounted to /
What is this about and how can Iresolve it?
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BWoso
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Location: Cleveland Ohio, USA
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| Posted: Fri Mar 12, 2004 6:53 am Post subject: |
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It sounds like your root partition is mounted twice, refer to this post, https://forums.gentoo.org/viewtopic.php?t=145901&highlight= , and see if that helps, if not just tell me that I was wrong 
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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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| Posted: Fri Mar 12, 2004 7:22 am Post subject: |
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OK, I will tell you that you weren't wrong!! Get ya, huh, did I?? LOL
Anyhow, you were right. But being that it's not harmful from what I think I read I'm going to not mess with it. I don't want to break anything else being I somehow broke my windows partition upon installation of Gentoo. |
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BWoso
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Location: Cleveland Ohio, USA
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| Posted: Fri Mar 12, 2004 3:50 pm Post subject: |
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if you want to fix it I can help some more, I don't know if it is harmful but it could be and I'm sure it is very annoying. But if you just want to leave it there that's cool too. If you want to fix it: are you using lilo or grub, and what kernel are you using?
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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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| Posted: Sat Mar 13, 2004 4:29 am Post subject: |
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I'm using Grub, here is some stats on my machine if I haven't posted them yet.
| Code: | /dev/hdb1 /boot reiserfs noauto,noatime,notail 1 1
/dev/hdb2 none swap sw 0 0
/dev/hdb3 /home reiserfs noatime 0 0
/dev/hdb4 / reiserfs noatime 0 0
/dev/hda2 /mnt/Storage vfat noatime,users 0 0
/dev/hda3 /mnt/temp vfat noatime,users 0 0
/dev/cdroms/cdrom0 /mnt/cdrom iso9660 noauto,ro,users 0 0
/dev/cdroms/cdrom1 /mnt/cdrom1 iso9600 noauto,ro,users 0 0
/dev/fd0 /mnt/floppy auto noauto,users 0 0
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| Code: | default 0
timeout 60
splashimage=(hd1,0)/boot/grub/splash.xpm.gz
title=Gentoo Linux
title=Gentoo Linux
root (hd1,0)
kernel (hd1,0)/boot/kernel-2.6.4-rc2-mm1 root=/dev/ram0 init=/linuxrc real_root=/dev/hdb4
initrd (hd1,0)/boot/initrd-2.6.4-rc2-mm1
title=Windows 2000
root (hd0,0)
chainloader (hd0,0)+1 |
| Code: | [quote]bash-2.05b# ls /boot
boot grub initrd-2.6.4-rc2-mm1 kernel-2.6.4-rc2-mm1 tmp
bash-2.05b#
[/quote] |
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BWoso
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Joined: 31 Dec 2003
Posts: 920
Location: Cleveland Ohio, USA
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| Posted: Sat Mar 13, 2004 4:50 am Post subject: |
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okay, try this. In grub remove either the first or second like that reads title = Gentoo Linux so that there is only one of them. Then do this
| Code: | # cd /usr/src/linux
# make && make modules modules_install
# mount /boot
# cp arch/i386/boot/bzImage /boot/test-kernel-2.6.4-rc2-mm1
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Then add another option to your grub. Just copy the first gentoo one and change title to test gentoo or something, and kernel-2.6.4-rc2-mm1 to test-kernel-2.6.4-rc2-mm1. Then reboot and boot to the test gentoo and see if that worked.
BTW this is only correct if you are using x86, if you are using something else I have to change some stuff.
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mhodak
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Joined: 15 Nov 2003
Posts: 1218
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| Posted: Sat Mar 13, 2004 5:50 am Post subject: |
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Visseroth,
can you post output of this:
using kernel that asks you to hit Ctrl+D at shutdown.
I am curious to see if it shows that /tmp/.initrd or /tmp/.initrd/dev is mounted. I have the same problem and my investigation shows that it is not double mount of root but problem with initrd, which refuses to unmount for some reason, causing prompt for Ctrl+D or root password. |
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Jefklak
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Joined: 26 Oct 2003
Posts: 818
Location: Belgium
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| Posted: Sat Mar 13, 2004 11:44 am Post subject: |
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I have that CTRL+D thing too...
cat /proc/mounts gives this:
| Code: | rootfs / rootfs rw 0 0
/dev/root / reiserfs rw,noatime 0 0
none /dev devfs rw 0 0
none /proc proc rw 0 0
none /dev/shm tmpfs rw 0 0
none /proc/bus/usb usbfs rw 0 0
/dev/hdc1 /mnt/windows vfat rw,nosuid,nodev,noexec 0 0 |
Nothing special...
Maybe its because I usually forget to unmount my windows again hen shutting down? |
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mhodak
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Joined: 15 Nov 2003
Posts: 1218
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| Posted: Sat Mar 13, 2004 6:58 pm Post subject: |
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Jefklak,
your problem seems to be different that mine. Does "mount" shows / to be mounted twice? If it does, try commenting out line " mount -f /" in /etc/init.d/checkroot and see if it helps. Also, try unmounting the windows partion before to see if it helps to get a rid of the CTRL-D prompt. |
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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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| Posted: Mon Mar 15, 2004 6:00 am Post subject: |
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I tried commentting out "mount -f /" and it did nothing.
oh and give me tell late tomarrow to try that other kernel. Kind of tied up to do much more then answer messages.
Here is that "cat" you asked for | Code: | bash-2.05b# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root /tmp/.initrd ext2 rw 0 0
/dev/hdb4 / reiserfs rw,noatime 0 0
none /proc proc rw 0 0
none /sys sysfs rw 0 0
none /dev devfs rw 0 0
none /dev/pts devpts rw 0 0
/dev/hdb3 /home reiserfs rw,noatime 0 0
none /dev/shm tmpfs rw 0 0
none /proc/bus/usb usbfs rw 0 0
/dev/hda3 /mnt/temp vfat rw,noatime,nodiratime,nosuid,nodev,noexec,uid=1000,gid=100,fmask=0033,dmask=0033,codepage=cp437 0 0
/dev/hda2 /mnt/Storage vfat rw,noatime,nodiratime,nosuid,nodev,noexec,uid=1000,gid=100,fmask=0033,dmask=0033,codepage=cp437 0 0
/dev/cdroms/cdrom1 /mnt/cdrom1 iso9660 ro 0 0
bash-2.05b#
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mhodak
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Joined: 15 Nov 2003
Posts: 1218
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| Posted: Mon Mar 15, 2004 8:30 am Post subject: |
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You seem to suffer from the same problem as me - /tmp/.initrd cannot be unmounted. Normally this should be unmounted during boot, but for some reason some processes still use initrd and thus it refuses to be unmounted. I reported this as a bug # 44601. I believe that this, not the double mount causes problems at shutdown.
I do not know commenting out "mount -f /" did not help, it worked for me a ffew other people. Check that y9ou do not have Automatic mount of devfs enabled in kernel. |
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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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| Posted: Mon Mar 15, 2004 9:14 am Post subject: |
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tell me, what is a good way to check the kernel without recompiling it?
Also I may have it enabled, cause if I remember right I enabled all automatic mounting options. |
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Jefklak
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Location: Belgium
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| Posted: Mon Mar 15, 2004 9:15 am Post subject: |
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| mhodak wrote: | | Also, try unmounting the windows partion before to see if it helps to get a rid of the CTRL-D prompt. |
I tried that right after I posted my reply here. That worked |
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mhodak
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Joined: 15 Nov 2003
Posts: 1218
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| Posted: Mon Mar 15, 2004 9:32 am Post subject: |
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| Visseroth wrote: | tell me, what is a good way to check the kernel without recompiling it?
Also I may have it enabled, cause if I remember right I enabled all automatic mounting options. |
Look at /usr/src/linux/.config (if /usr/src/linux/ points to kernel sources you are using right now) and search for DEVFS. I am using 2.4 kernel, in my case the entry is "CONFIG_DEVFS_MOUNT", it may be somewhat different for 2.6 kernel. Or go to the sources directory and run "make menuconfig" and look under filesystem whether automatic mounting on boot is enabled or not. |
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mhodak
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| Posted: Mon Mar 15, 2004 9:35 am Post subject: |
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| Jefklak wrote: | | mhodak wrote: | | Also, try unmounting the windows partion before to see if it helps to get a rid of the CTRL-D prompt. |
I tried that right after I posted my reply here. That worked |
This is good, but normally, all mounted partitions should be unmounted automatically before reboot, but that somehow does not work in your case. It strange that you can unmount it by hand, but the shutdown script apparently has problems unmounting it. |
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YopWongSapn
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Joined: 26 Jan 2004
Posts: 627
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| Posted: Mon Mar 15, 2004 4:01 pm Post subject: |
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One thing you guys may want to try is check your /etc/fstab and make sure the mount points point to their corresponding partitions. I had an experience similar to what you guys have described. What happened to me was that somehow/somewhere during an emerge -U world my /etc/fstab was replaced by something like this:
| Code: |
/dev/BOOT /boot ext2 noauto,noatime 1 1
/dev/ROOT / xfs noatime 0 0
/dev/SWAP none swap sw 0 0
/dev/cdroms/cdrom0 /mnt/cdrom iso9660 noauto,ro 0 0
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I'm not sure if this will help at all, but this was my problem, and it may have been yours too.
Hope this helps. |
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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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| Posted: Tue Mar 16, 2004 2:35 am Post subject: |
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OK, well
1. my windows partition is not mounted and when I do type in my root password to get into the mainenence screen and I check the mounts only the /root directory is mounted and mounted as a read only partition that can not be unmounted.
2. Fstab is no the problem, I check it quit a bit due to small changes that i make for permissions.
But thanks guys. I will try the kernel recompile, but not right now. I've been quite busy and am now quite tired.
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CMI
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Posts: 205
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| Posted: Tue Mar 16, 2004 4:45 am Post subject: |
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I'm going to toss in a "me too" thing here. Just moved to 2.6.4 a couple days ago and got problems from above. Namely:
| Code: | [washu:/usr/src/linux] chris$ cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw 0 0 |
No duplicates in fstab, no duplicates show when I use "mount".
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mhodak
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Joined: 15 Nov 2003
Posts: 1218
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| Posted: Tue Mar 16, 2004 11:15 am Post subject: |
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Guys,
it would be helpful if you posted here the error message preceeding the prompt for maintenance root password. Many problems can leave to the prompt so the error message (if any) is important.
In my case I see:
| Code: |
Unmonting filesystems
Remounting remaining filesystems read only [!!]
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(the exclamation marks are red).
It should mean that something (/tmp/.initrd) cannot be properly unmounted. |
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Visseroth
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Joined: 13 Oct 2003
Posts: 291
Location: Idaho
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| Posted: Wed Mar 17, 2004 5:14 am Post subject: |
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| and as for the error message some goes here, then after the remounting read only it asked for root password for maintenence or press CTRL+D for normal startup |
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mu-sly
Tux's lil' helper
Joined: 21 Sep 2003
Posts: 129
Location: Nottingham, UK
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| Posted: Sat Apr 03, 2004 1:54 pm Post subject: Could be USB? |
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I've had similar problems - I think it could possibly be something to do with USB?
This only started happening after I changed from using my mouse through USB back to PS/2, in order to use a KVM switch I've just bought. I'm running a 2.6 kernel and have never had any problems until now.
Basically, when I shut down, it gets as far as "remounting remaining partitions read-only" and then asks for maintenance.
...at this point gives...
| Code: |
rootfs / rootfs rw 0 0
/dev/root.old /initrd ext2 rw 0 0
proc /initrd/proc proc ro 0 0
/dev/root / ext3 ro,noatime 0 0
none /proc proc ro 0 0
none /sys sysfs rw 0 0
none /dev devfs rw 0 0
none /dev/pts devpts rw 0 0
none /proc/bus/usb usbfs rw 0 0
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With the only thing remaining that I can unmount (I'm pretty sure I tested them all - bugger, can't test again without shutting down again!) being /proc/bus/usb
I guess I ought to try manually unmounting that and then shutting down - see if it makes any difference.
Anyway, my root partition definitely isn't mounted twice:
| Code: |
root@slynux dave # mount
/dev/hda1 on / type ext3 (rw,noatime)
proc on /initrd/proc type proc (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev type devfs (rw)
none on /dev/pts type devpts (rw,gid=5,mode=0620)
/dev/scsi/host0/bus0/target0/lun0/part1 on /mnt/scsi/1 type vfat (rw,nosuid,nodev,uid=1000,umask=0)
/dev/scsi/host0/bus0/target0/lun0/part5 on /mnt/scsi/2 type vfat (rw,nosuid,nodev,uid=1000,umask=0)
/dev/scsi/host0/bus0/target1/lun0/part1 on /mnt/scsi/3 type vfat (rw,nosuid,nodev,uid=1000,umask=0)
/dev/scsi/host0/bus0/target1/lun0/part5 on /mnt/scsi/4 type vfat (rw,nosuid,nodev,uid=1000,umask=0)
/dev/scsi/host0/bus0/target5/lun0/part1 on /mnt/scsi/5 type vfat (rw,nosuid,nodev,uid=1000,umask=0)
none on /dev/shm type tmpfs (rw)
none on /proc/bus/usb type usbfs (rw)
usbdevfs on /proc/bus/usb type usbdevfs (rw)
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... and my fstab has been working perfectly for a long time now, and hasn't been changed at all...
| Code: |
/dev/hda2 /boot ext3 noauto,noatime 1 1
/dev/hda1 / ext3 noatime 0 0
/dev/hda3 none swap sw 0 0
/dev/dvdrom /mnt/dvdrom iso9660 noauto,ro,user 0 0
/dev/cdrw /mnt/cdrw iso9660 noauto,rw,user 0 0
/dev/scsi/host0/bus0/target0/lun0/part1 /mnt/scsi/1 vfat user,rw,exec,uid=1000,umask=0 0 0 0 0
/dev/scsi/host0/bus0/target0/lun0/part5 /mnt/scsi/2 vfat user,rw,exec,uid=1000,umask=0 0 0 0 0
/dev/scsi/host0/bus0/target1/lun0/part1 /mnt/scsi/3 vfat user,rw,exec,uid=1000,umask=0 0 0 0 0
/dev/scsi/host0/bus0/target1/lun0/part5 /mnt/scsi/4 vfat user,rw,exec,uid=1000,umask=0 0 0 0 0
/dev/scsi/host0/bus0/target5/lun0/part1 /mnt/scsi/5 vfat user,rw,exec,uid=1000,umask=0 0 0 0 0
/dev/scsi/host1/bus0/target0/lun0/part1 /mnt/camera vfat noauto,user,rw,uid=1000,umask=0 0 0 0 0
none /proc proc defaults 0 0
none /dev/shm tmpfs defaults 0 0
none /dev/pts devpts gid=5,mode=0620 0 0
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Now I'm not using the USB mouse, I've commented out a couple of lines in my modules.autoload.d:
| Code: |
root@slynux dave # cat /etc/modules.autoload.d/kernel-2.6
ipt_MASQUERADE
8139too
sym53c8xx
usbcore
usb-storage
#ohci_hcd
vfat
#hid
agpgart
fglrx
videodev
quickcam
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Not sure how much of that is relevant, but that's the stuff I've changed recently, just before this started happening. I just have a hunch it's something to do with /proc/bus/usb ...?
I'm gonna unmount that manually and then try a shutdown... brb.
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mu-sly
Tux's lil' helper
Joined: 21 Sep 2003
Posts: 129
Location: Nottingham, UK
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| Posted: Sat Apr 03, 2004 2:18 pm Post subject: Hmm... that made no difference. |
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Nope, that made no difference.
I did notice this, which seems a bit weird:
| Code: |
none on /proc/bus/usb type usbfs (rw)
usbdevfs on /proc/bus/usb type usbdevfs (rw)
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Not sure if I'm getting confused now and that's something totally unrelated, but does that appear to be mounted twice??
I can do this...
| Code: |
root@slynux dave # umount /proc/bus/usb
root@slynux dave # umount /proc/bus/usb
root@slynux dave # umount /proc/bus/usb
umount: /proc/bus/usb: not mounted
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... twice, only getting an error the third time I try and do it. So perhaps /proc/bus/usb is being mounted twice at boot?? I don't know if that's right or not!?
Anyway, this time after having unmounted /proc/bus/usb manually (twice) and shutting down - still getting the maintenance error - I get this from cat /proc/mounts:
| Code: |
rootfs / rootfs rw 0 0
/dev/root.old /initrd ext2 rw 0 0
proc /initrd/proc proc ro 0 0
/dev/root / ext3 ro,noatime 0 0
none /proc proc ro 0 0
none /sys sysfs rw 0 0
none /dev devfs rw 0 0
none /dev/pts devpts rw 0 0
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Which looks OK to me - the only difference from before is that the USB stuff is unmounted because I'd already done it manually.
So, this is highly puzzling and I don't know what to make of it. It doesn't seem to be doing any harm - it's just that it's bugging me because I don't know why it's happening!
Anybody got any ideas?
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jonfr
Veteran
Joined: 20 Jul 2003
Posts: 1008
Location: Denmark
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| Posted: Sat Apr 03, 2004 3:41 pm Post subject: |
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| I did see this error in kernel 2.6.2 and 2.6.4 (2.6.4 vanilla 2.6.2 gentoo sources). This is not present in kernel 2.6.3-gentoo, the reasion why it isn't...i'm not sure why. And there was nothing wrong whit my hard drives. |
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