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** Changed in: initramfs-tools (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/201750
Title:
Cannot remount loopfiles
Status in Wubi:
In Progress
Status in initramfs-tools package in Ubuntu:
Incomplete
Bug description:
Binary package hint: initramfs-tools
Loopfiles inside of vfat cannot be remounted rw. This preventfs people
from booting off loopinstallations in vfat. At the moment there is an
exception in scripts/local to mount ntfs filesystems rw by default
since those too cannot be remounted (bug #186117). It might be
necessary to extend the treatment to all loopinstalation filesystems.
Following are some of my experiments, not sure if there is some other
way to be able to remount the host/loopfile.
root@nbago~#mount -t vfat -o rw /dev/sda8 /mnt
root@nbago~#mount -o loop,ro /mnt/root.disk /media/tmp
root@nbago~#mount -o remount,rw /media/tmp
mount: block device /mnt/root.disk is write-protected, mounting read-only
root@nbago~#umount /media/tmp
root@nbago~#mount -o loop,rw /mnt/root.disk /media/tmp
root@nbago~#mount -o remount,ro /media/tmp
root@nbago~#mount -o remount,rw /media/tmp
root@nbago~#mount -o remount,ro /mnt
mount: /mnt is busy
root@nbago~#mount -o remount,ro /media/tmp
root@nbago~#mount -o remount,ro /mnt
mount: /mnt is busy
root@nbago~#umount /media/tmp
root@nbago~#umount -d /mnt
root@nbago~#mount -t vfat -o ro /dev/sda8 /mnt
root@nbago~#mount -o loop,rw /mnt/root.disk /media/tmp
root@nbago~#mount -o remount,rw /media/tmp
mount: block device /mnt/root.disk is write-protected, mounting read-only
root@nbago~#umount /media/tmp
root@nbago~#losetup /dev/loop3 /mnt/root.disk
root@nbago~#mount -o ro -t ext3 /dev/loop3 /media/tmp
root@nbago~#mount -o remount,rw /media/tmp
mount: block device /dev/loop3 is write-protected, mounting read-only
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