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Old 12-20-2007, 08:08 AM   #1
guptaa4
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Registered: Dec 2007
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Smile Error while mounting a ramdisk file


Hi,

I am trying to add an application to ramdisk.

As a first step i removed the 64 bit header.

bash$ dd if=uRamdisk bs=64 skip=1 of=ramdisk.gz
21876+1 records in
21876+1 records out


Next i uncompressed the ramdisk image.

bash$ gunzip -v ramdisk.gz
ramdisk.gz: 66.6% -- replaced with ramdisk


Next when i try to mount the ramdisk, i get following error:

bash# mount -o loop ramdisk /mnt/tmp
ramdisk: Permission denied


Can someone suggest the cause for this?

Thanks,
Anuj
 
Old 12-20-2007, 02:16 PM   #2
/bin/bash
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Registered: Jul 2003
Location: Indiana
Distribution: Mandrake Slackware-current QNX4.25
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Make sure your loop devices are rw:

/dev/loop:
brw-rw---- 1 root disk 7, 0 2007-12-19 21:57 0
brw-rw---- 1 root disk 7, 1 2007-12-19 21:57 1
brw-rw---- 1 root disk 7, 2 2007-12-19 21:57 2
brw-rw---- 1 root disk 7, 3 2007-12-19 21:57 3
brw-rw---- 1 root disk 7, 4 2007-12-19 21:57 4
brw-rw---- 1 root disk 7, 5 2007-12-19 21:57 5

Also look at dmesg after you try to mount the ramdisk.
 
  


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