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2016-01-06
, 20:36
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Posts: 111 |
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Joined on May 2015
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#12
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Originally Posted by michaaa62
i have done this, but nothing's changed. Still no boot. I thought that fcam-drivers might be the reason, because problem with booting started after I have preinstalled it (fcam-drivers). But now I have no idea what to do next?
Start rescueOS according to the documentation with the flasher utility, thenThis should remove all traces of the fcam-drivers on your device.Code:mmr mount /dev/mmcblk0p2 /mnt/maemo/home mount -o bind /mnt/maemo/home/opt /mnt/maemo/opt mount -o bind /dev/ /mnt/maemo/dev mount -o bind /proc/ /mnt/maemo/proc mount -o bind /sys/ /mnt/maemo/sys mount -o bind /dev/pts /mnt/maemo/dev/pts chroot /mnt/maemo /bin/ash rm -rf /usr/share/fcam rm /etc/modprobe.d/fcam.conf
It might be overkill for the removal to use the chroot, but ...?!
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2016-01-06
, 21:08
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Posts: 2,102 |
Thanked: 1,937 times |
Joined on Sep 2008
@ Berlin, Germany
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#13
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Always a good idea to power down the device, pull the battery, hold the power key for a couple of seconds, then restart the N900.
In rescueOS with mounted maemo rootfs get the info about the last running kernel
Then compare the, via 'current', linked modules directory with the content of the package from the repos.
Is a complete flashing of the fiasco image possible as a last hope? There was also some info buried deep in the forum to just flash rootfs, that could be extracted from the firmware/fiasco image. Did you ever make a backup with the built-in Backup application of your setting, contacts and stuff?
In rescueOS with mounted maemo rootfs get the info about the last running kernel
Code:
ls -al /lib/modules/
Is a complete flashing of the fiasco image possible as a last hope? There was also some info buried deep in the forum to just flash rootfs, that could be extracted from the firmware/fiasco image. Did you ever make a backup with the built-in Backup application of your setting, contacts and stuff?
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2016-01-07
, 13:13
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Posts: 111 |
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Joined on May 2015
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#14
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Originally Posted by michaaa62
Always a good idea to power down the device, pull the battery, hold the power key for a couple of seconds, then restart the N900.
I am sorry for a little delay in posting. Could you please precise if I must hold down power key without battery inside and if so - what it is the reason for that.
Do you know what is the exact procedure of booting (that is - what NOLO is doing). And on which stage hardware is testing (if it is). Maybe my camera hardware is a problem - is there any way to test it under rescueOS?
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2016-01-07
, 13:17
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Posts: 111 |
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#15
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Originally Posted by michaaa62
I am trying to "rescue" my applications installation, because some of them are now inavailable. So for now I have flashed only kernel from fiasco image. Is there a possibility that NOLO is broken?
Is a complete flashing of the fiasco image possible as a last hope? There was also some info buried deep in the forum to just flash rootfs, that could be extracted from the firmware/fiasco image. Did you ever make a backup with the built-in Backup application of your setting, contacts and stuff?
Last edited by NotMicro; 2016-01-07 at 13:46.
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2016-01-07
, 14:03
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Posts: 111 |
Thanked: 50 times |
Joined on May 2015
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#16
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Sorry for a few posts in a row. But maybe this will help you to diagnose my problem. So once again from my post #6 :
When I have run fsck I got a message:
"The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>".
So is my filesystem correct? I do manage to mount home and opt folder so my eMMC is possibly OK. Although some time ago I have had a problems with USB port on my PC (not stable connection) so maybe something wrong happened during disconnecting myN900.
Last edited by NotMicro; 2016-01-07 at 14:12.
When I have run fsck I got a message:
"The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>".
So is my filesystem correct? I do manage to mount home and opt folder so my eMMC is possibly OK. Although some time ago I have had a problems with USB port on my PC (not stable connection) so maybe something wrong happened during disconnecting myN900.
Last edited by NotMicro; 2016-01-07 at 14:12.
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2016-01-07
, 20:05
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Posts: 111 |
Thanked: 50 times |
Joined on May 2015
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#17
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After executing command ls I get information as follows:
drwxr-x--- 1 root root 568 Jan 1 1970 2.6.37
Last edited by NotMicro; 2016-01-07 at 20:11.
drwxr-x--- 1 root root 568 Jan 1 1970 2.6.37
Originally Posted by michaaa62
How to do this?
Then compare the, via 'current', linked modules directory with the content of the package from the repos.
Last edited by NotMicro; 2016-01-07 at 20:11.
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2016-01-07
, 20:52
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Posts: 2,102 |
Thanked: 1,937 times |
Joined on Sep 2008
@ Berlin, Germany
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#18
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Sorry for the delay!!!
To discharge the N900 completely.
Which applications do you need to rescue, that are not available from the repository mirrors, there even is an Ovi mirror somewhere.
Which partition/file system are you trying to check? Is it unmounted?
This seems to be the kernel of the rescueOS. Try the path of the mounted maemo rootfs instead please
Download the kernel-modules package from the repository here: http://repository.maemo.org/extras/p...mo19_armel.deb
Check for content and the size, maybe even md5sum, of the package's content inside /lib/modules/2.6.28.10maemo-omap1/ inside the data.tar.gz archive.
if I must hold down power key without battery inside and if so - what it is the reason for that.
I am trying to "rescue" my applications installation
When I have run fsck I got a message
After executing command ls I get information as follows:
drwxr-x--- 1 root root 568 Jan 1 1970 2.6.37
Code:
ls -al /mnt/maemo/lib/modules
How to do this?
Check for content and the size, maybe even md5sum, of the package's content inside /lib/modules/2.6.28.10maemo-omap1/ inside the data.tar.gz archive.
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2016-01-08
, 21:05
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Posts: 111 |
Thanked: 50 times |
Joined on May 2015
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#19
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It seems I have the kernel version 2.6.28. But to say the truth, I flashed the kernel and initfs already (using flasher 3.5). So kernel probably is not the reason of my problems. What about flashing NOLO? Is it safe? My NOLO enables flashing mode and initially starts device (NOKIA logo on the screen), but... who knows what is happening next?
And how to determine rootfs filesystem partition condition using fsck (or other command)?
And, at last, how to find how much free space is left in rootfs partition? I had different values using command df. Maybe lack of space is the reason?
And how to determine rootfs filesystem partition condition using fsck (or other command)?
And, at last, how to find how much free space is left in rootfs partition? I had different values using command df. Maybe lack of space is the reason?
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2016-01-08
, 21:40
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Posts: 2,102 |
Thanked: 1,937 times |
Joined on Sep 2008
@ Berlin, Germany
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#20
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Rootfs does not need any fsck action, it is ubifs file system, that even supports unclean reboots. You could read about it here: http://www.linux-mtd.infradead.org/doc/ubifs.html .
The file system is like an archive that might be unpacked for rescueOS, but will show 100% full all the time in rescueOS.
Nolo and kernel are flashed together, as far as i know, and you did that!
Kernel modules are loaded by the kernel to load the different devices of the N900, that is why i suggest to check the modules directory.
There is some knowledge about the boot process buried inside the forum or the wiki, @reinob did a real thorough investigation on the boot process here http://talk.maemo.org/showthread.php?t=87959
Last edited by michaaa62; 2016-01-08 at 21:48.
The file system is like an archive that might be unpacked for rescueOS, but will show 100% full all the time in rescueOS.
Nolo and kernel are flashed together, as far as i know, and you did that!
Kernel modules are loaded by the kernel to load the different devices of the N900, that is why i suggest to check the modules directory.
There is some knowledge about the boot process buried inside the forum or the wiki, @reinob did a real thorough investigation on the boot process here http://talk.maemo.org/showthread.php?t=87959
Last edited by michaaa62; 2016-01-08 at 21:48.
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It might be overkill for the removal to use the chroot, but ...?!