How to mount opt folder? - Page 3 - maemo.org

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NotMicro	2016-01-09 , 17:05
Posts: 111 \| Thanked: 50 times \| Joined on May 2015	#21

Thank you very much for this useful post. Do you maybe know how to track process of booting? It could explain what is going wrong when my N900 starts. Maybe there is some log file created during startup ?

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NotMicro	2016-01-09 , 17:19
Posts: 111 \| Thanked: 50 times \| Joined on May 2015	#22

I forgot to write that I have had installed overclock profile (700 MHz) when failure took place.

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michaaa62	2016-01-10 , 08:43
Posts: 2,102 \| Thanked: 1,937 times \| Joined on Sep 2008 @ Berlin, Germany	#23

Originally Posted by NotMicro

I forgot to write that I have had installed overclock profile (700 MHz) when failure took place.

Please try to get the information from your N900 via mounted rootfs and mounted optfs, but not chrooted

Code:

ls -al /mnt/maemo/lib/modules
ls -al /mnt/maemo/usr/share/kernel-power-settings

The output looks something like this from my running maemoOS, but yours should look similar

Nokia-N900:~# ls -al /lib/modules/
drwxr-xr-x 4 root root 376 Jun 18 2015 .
drwxr-xr-x 10 root root 7840 Jun 16 2015 ..
drwxr-xr-x 2 root root 984 Oct 14 16:54 2.6.28-omap1
drwxr-xr-x 2 root root 23744 Oct 14 16:54 2.6.28.10-power53
lrwxrwxrwx 1 root root 17 Jun 18 2015 current -> 2.6.28.10-power53
Nokia-N900:~# ls -al /usr/share/kernel-power-settings/
drwxr-xr-x 2 root root 616 Jun 15 2015 .
drwxr-xr-x 123 root root 9960 Jan 6 10:01 ..
-rw-rw-r-- 1 root root 499 Nov 1 2011 default
-rw-rw-r-- 1 root root 499 Nov 1 2011 dsp
-rw-rw-r-- 1 root root 470 Nov 1 2011 ideal
-rw-rw-r-- 1 root root 499 Nov 1 2011 lv
-rw-rw-r-- 1 root root 476 Nov 1 2011 starving
-rw-rw-r-- 1 root root 499 Nov 1 2011 ulv
-rw-rw-r-- 1 root root 499 Nov 1 2011 xlv

Again, it seems to be easier, and quicker, to remember the essential applications you had on your N900, but to clinch to vague clues, what might have gone wrong weeks ago. Get them from all over the net.

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NotMicro	2016-01-10 , 15:08
Posts: 111 \| Thanked: 50 times \| Joined on May 2015	#24

Could you please write how to make a copy of rootfs.
And second, very important thing - I cannot use apt-get install even if I chroot /mnt/maemo and mount home/opt folder.

Last edited by NotMicro; 2016-01-10 at 15:41.

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michaaa62	2016-01-10 , 16:15
Posts: 2,102 \| Thanked: 1,937 times \| Joined on Sep 2008 @ Berlin, Germany	#25

Basically it is like this. Mount maemo rootfs, create mount point for storage partition, mount MyDocs partition to rescueOS, create archive of the rootfs on the MyDocs partition and enable mass-storage mode to transfer files and folders to your PC. Make sure the hidden dot-files and -folders are also transfered

Code:

mmr
mkdir /mnt/MyDocs
mount /dev/mmcblk0p1 /media
tar -c /mnt/maemo -f /media/rootfs.tar.gz
umount /media
ems

At last copy the content of both partitions to your PC. This saves the optfs partition, containing the /home/user and the /opt folders of the Maemo OS, and the MyDocs partition, containing your rootfs.tar archive, data and stuff.

Last edited by michaaa62; 2016-01-10 at 21:47. Reason: Typos and working mount point

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NotMicro	2016-01-10 , 18:27
Posts: 111 \| Thanked: 50 times \| Joined on May 2015	#26

Thank you for your last post, but I have 2 problems:

1. mmrt - "command not found"
2. mkdir /mnt/MyDocs - " mkdir : can't create directory '/mnt/MyDocs' : Read-only file system."

Could you help please.

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michaaa62	2016-01-10 , 21:48
Posts: 2,102 \| Thanked: 1,937 times \| Joined on Sep 2008 @ Berlin, Germany	#27

My bad!

First command must be mmr .
Second command will mount to /media.

I edited the former post http://talk.maemo.org/showpost.php?p...8&postcount=25 to have all the commands in one place!

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NotMicro	2016-01-11 , 14:08
Posts: 111 \| Thanked: 50 times \| Joined on May 2015	#28

Originally Posted by michaaa62

Basically it is like this. Mount maemo rootfs, create mount point for storage partition, mount MyDocs partition to rescueOS, create archive of the rootfs on the MyDocs partition and enable mass-storage mode to transfer files and folders to your PC. Make sure the hidden dot-files and -folders are also transfered
Code:
mmr
mkdir /mnt/MyDocs
mount /dev/mmcblk0p1 /media
tar -c /mnt/maemo -f /media/rootfs.tar.gz
umount /media
ems
At last copy the content of both partitions to your PC. This saves the optfs partition, containing the /home/user and the /opt folders of the Maemo OS, and the MyDocs partition, containing your rootfs.tar archive, data and stuff.

Sorry, but I still have 2 problems:

1. When I execute mkdir /mnt/MyDocs I get a message "mkdir : can't create directory '/mnt/MyDocs' : Read-only file system.""

2. When I execute mount /dev/mmcblk0p1 /media I get a message "mount: mounting /dev/mmcblk0p1 on /media failed: Input/output error."

Help.

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NotMicro	2016-01-11 , 14:17
Posts: 111 \| Thanked: 50 times \| Joined on May 2015	#29

I am about to reflash whole device - that's why I want to backup rootfs. I have done it already in case of optfs (home, MyDocs).

But I want to try - for the last time - uninstalling fcam-drivers. When I use dpkg I still get a message indicating that fcam-drivers are installed and "connected" with blessn900. I can't though uninstall blessn900, as I described in post #4.