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2012-05-19
, 10:05
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Posts: 1,048 |
Thanked: 1,127 times |
Joined on Jan 2010
@ Amsterdam
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#2
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Has your partition been unmounted correctly, or not? The sequence of he commands you pasted suggests not. If that' s the case, I' d try first:
Then run fsck again.
Code:
Nokia-N900:~# umount-f /dev/mmcblk0p1
__________________
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download free linux books
online linux guides
download n900: service manual level 1-4
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2012-05-19
, 12:02
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Posts: 2,102 |
Thanked: 1,937 times |
Joined on Sep 2008
@ Berlin, Germany
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#3
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What does sfdisk think about the memory card?
Do you have a backup of the data?
If yes, just reassign a fresh new file system
If no, try the -af option for fsck first, then try -r option, or try to get as much information from fsck as possible by using the -nv option
Please give the full error messages here for further debugging.
Code:
sudo gainroot sfdisk -l
If yes, just reassign a fresh new file system
Code:
mkfs.vfat -n MyDocs /dev/mmcblk0p1
Code:
fsck -af /dev/mmcblk0p1 fsck -r /dev/mmcblk0p1 fsck -n -v /dev/mmcblk0p1
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2012-05-19
, 14:08
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Posts: 168 |
Thanked: 116 times |
Joined on Mar 2011
@ Malaysia
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#4
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Originally Posted by anthonie
it produces the same error
Has your partition been unmounted correctly, or not? The sequence of he commands you pasted suggests not. If that' s the case, I' d try first:
Then run fsck again.Code:Nokia-N900:~# umount-f /dev/mmcblk0p1
Code:
Nokia-N900:~# umount -f /dev/mmcblk0p1 umount: can't forcibly umount /dev/mmcblk0p1: Invalid argument Nokia-N900:~#
Originally Posted by michaaa62
What does sfdisk think about the memory card?Do you have a backup of the data?Code:sudo gainroot sfdisk -l
If yes, just reassign a fresh new file systemIf no, try the -af option for fsck first, then try -r option, or try to get as much information from fsck as possible by using the -nv optionCode:mkfs.vfat -n MyDocs /dev/mmcblk0p1Please give the full error messages here for further debugging.Code:fsck -af /dev/mmcblk0p1 fsck -r /dev/mmcblk0p1 fsck -n -v /dev/mmcblk0p1
Code:
/home/user # sfdisk -l Disk /dev/mmcblk1: 60352 cylinders, 4 heads, 16 sectors/track Units = cylinders of 32768 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End #cyls #blocks Id System /dev/mmcblk1p1 0+ 47999 48000- 1535999+ c W95 FAT32 (LBA) /dev/mmcblk1p2 48000 60351 12352 395264 83 Linux /dev/mmcblk1p3 0 - 0 0 0 Empty /dev/mmcblk1p4 0 - 0 0 0 Empty Disk /dev/mmcblk0: 977024 cylinders, 4 heads, 16 sectors/track Units = cylinders of 32768 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End #cyls #blocks Id System /dev/mmcblk0p1 1 884864 884864 28315648 c W95 FAT32 (LBA) /dev/mmcblk0p2 884865 950400 65536 2097152 83 Linux /dev/mmcblk0p3 950401 974976 24576 786432 82 Linux swap / Solaris /dev/mmcblk0p4 0 - 0 0 0 Empty /home/user #
Code:
/home/user # fsck -af /dev/mmcblk0p1
fsck 1.41.3.maemo0 (12-Oct-2008)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
65:01/00
Copying backup to original
Cluster 5 out of range (251658240 > 442378). Setting to EOF.
/
Contains a free cluster (2). Assuming EOF.
FAT32 root dir starts with a bad cluster!
/home/user #
/home/user #
/home/user # fsck -r /dev/mmcblk0p1
fsck 1.41.3.maemo0 (12-Oct-2008)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
65:01/00
Copying backup to original
Cluster 5 out of range (251658240 > 442378). Setting to EOF.
/
Contains a free cluster (2). Assuming EOF.
FAT32 root dir starts with a bad cluster!
/home/user #
/home/user # fsck -n -v /dev/mmcblk0p1
fsck 1.41.3.maemo0 (12-Oct-2008)
dosfsck 2.11 (12 Mar 2005)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
Checking we can access the last sector of the filesystem
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
65:01/00
Copying backup to original
Boot sector contents:
System ID "Maemo"
Media byte 0xf8 (hard disk)
512 bytes per logical sector
65536 bytes per cluster
126 reserved sectors
First FAT starts at byte 64512 (sector 126)
2 FATs, 32 bit entries
1769984 bytes per FAT (= 3457 sectors)
Root directory start at cluster 2 (arbitrary size)
Data area starts at byte 3604480 (sector 7040)
442377 data clusters (28991619072 bytes)
32 sectors/track, 64 heads
0 hidden sectors
56631296 sectors total
Cluster 5 out of range (251658240 > 442378). Setting to EOF.
/
Contains a free cluster (2). Assuming EOF.
FAT32 root dir starts with a bad cluster!
/home/user #
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2012-05-19
, 15:00
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Posts: 2,102 |
Thanked: 1,937 times |
Joined on Sep 2008
@ Berlin, Germany
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#5
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Did you ever try windows to check the file system or to mount it. There are chances that windows has a different thinking about the MyDocs partition than Linux or Maemo.
You better try to get a backup from the partition with testdisk before you try any other step, just to be on the safe side. You might as well use some exterior hard disk to make an image of the partition
You better try to get a backup from the partition with testdisk before you try any other step, just to be on the safe side. You might as well use some exterior hard disk to make an image of the partition
| The Following User Says Thank You to michaaa62 For This Useful Post: | ||
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2012-05-20
, 08:05
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Posts: 168 |
Thanked: 116 times |
Joined on Mar 2011
@ Malaysia
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#6
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damn it I came home last night with a disconnected internet,, gotta wait till Monday :\
hmmmm I haven't tried that with windows. will give it a shot after backing up my stuff. Urmm yea, about the backup, I haven't done it with TestDisk before. Does it do like what FTK imager does?
hmmmm I haven't tried that with windows. will give it a shot after backing up my stuff. Urmm yea, about the backup, I haven't done it with TestDisk before. Does it do like what FTK imager does?
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2012-05-20
, 08:13
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Posts: 2,102 |
Thanked: 1,937 times |
Joined on Sep 2008
@ Berlin, Germany
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#7
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No, testdisk is a data recovery tool.
Where no other tool might access the disk any more due to corruption to partition table or file system, it has a heuristic to assume patterns of file type as well as the data on the disk itself. Here is a short walkthrough of that, may be long, depends on the amount of data, procedure: http://talk.maemo.org/showpost.php?p...8&postcount=16
Where no other tool might access the disk any more due to corruption to partition table or file system, it has a heuristic to assume patterns of file type as well as the data on the disk itself. Here is a short walkthrough of that, may be long, depends on the amount of data, procedure: http://talk.maemo.org/showpost.php?p...8&postcount=16
| The Following User Says Thank You to michaaa62 For This Useful Post: | ||
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2012-05-20
, 08:20
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Posts: 168 |
Thanked: 116 times |
Joined on Mar 2011
@ Malaysia
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#8
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Owhh,, I've gone through that post of yours before but dump of me I just thought it is used to retrieve the missing files or the deleted ones. didn't think of it as a backup method..
Thanx mate,, will do the backup and I think I'll just reassign a new fresh file system if windows trick didn't do the trick.
Thanx mate,, will do the backup and I think I'll just reassign a new fresh file system if windows trick didn't do the trick.
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2012-05-20
, 14:41
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Posts: 4,118 |
Thanked: 8,901 times |
Joined on Aug 2010
@ Ruhrgebiet, Germany
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#9
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Be sure to copy to another partition (as writing on same may screw it up more worse).
But I am afraid, that you will have use that method, as it seem your FAT table is corrupt. And also Windows will not detect that partition's FAT anymore.
But using testdisk to copy all detected files (maybe do not recover deleted, depending on what testdisk detects) to a SD card is a nice trick.
Let us know how it goes...
But I am afraid, that you will have use that method, as it seem your FAT table is corrupt. And also Windows will not detect that partition's FAT anymore.
But using testdisk to copy all detected files (maybe do not recover deleted, depending on what testdisk detects) to a SD card is a nice trick.
Let us know how it goes...
| The Following User Says Thank You to peterleinchen For This Useful Post: | ||
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2012-05-23
, 15:23
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Posts: 168 |
Thanked: 116 times |
Joined on Mar 2011
@ Malaysia
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#10
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Thanx guys,, thanx michaaa62.
I did backup everything using TestDisk,, and reassigned a fresh file system using the code
I did backup everything using TestDisk,, and reassigned a fresh file system using the code
Originally Posted by michaaa62
it went well after the restart. I'm copying back my data into my N900 as I write this. thanx guys,,, Really.
just reassign a fresh new file systemCode:mkfs.vfat -n MyDocs /dev/mmcblk0p1
posting this thread came after 4 days of trying different methods (except re-flashing).
I ran into a corrupted memory after unplugging the USB from the office PC. now the internal memory is not shown in filebox or manager. the files exist after checking them with TestDisk.
I've tried few codes of mounting and this is what I get:
BusyBox v1.20.0 (Debian 1.20.0power1) built-in shell (ash)
Enter 'help' for a list of built-in commands.
~ $ root
BusyBox v1.20.0 (Debian 1.20.0power1) built-in shell (ash)
Enter 'help' for a list of built-in commands.
Nokia-N900:~# umount /dev/mmcblk0p1
umount: can't umount /dev/mmcblk0p1: Invalid argument
Nokia-N900:~# fsck -a /dev/mmcblk0p1
fsck 1.41.3.maemo0 (12-Oct-2008)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
65:01/00
Copying backup to original
Cluster 5 out of range (251658240 > 442378). Setting to EOF.
/
Contains a free cluster (2). Assuming EOF.
FAT32 root dir starts with a bad cluster!
Nokia-N900:~#
Any idea guys?
Thanx in advance,
Loopable 'Portrait' Backgrounds
Black & White stock alike lockscreen
Last edited by K9999; 2012-05-23 at 15:26.