With the help of aecooper 's comment , I succeed to install from Grubed iso !
Many thanks
I will update the bug right now
** Description changed:
How to quickly reproduce :
- From a Linux distro installed (Ubuntu 18.04 here)
- Install grml : sudo apt install grml-rescueboot
- Get F
** Description changed:
How to quickly reproduce :
- - From a Linux distro installed (Ubuntu 18.04 here)
+ - From a Linux distro installed (Ubuntu 18.04 here)
- Install grml : sudo apt install grml-rescueboot
- Get Focal iso : wget -0 /boot/grml/focal.iso
http://cdimage.ubuntu.com/dail
** Description changed:
+ How to quickly reproduce :
+
+ - From a Linux distro installed (Ubuntu 18.04 here)
+ - Install grml : sudo apt install grml-rescueboot
+ - Get Focal iso : wget -0 /boot/grml/focal.iso
http://cdimage.ubuntu.com/daily-live/current/focal-desktop-amd64.iso
+ - add toram o
** Summary changed:
- Unable to umount isodevice
+ Unable to umount /isodevice when using grub loopback method
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Title:
Unable to umount /isodevi
** Tags added: bionic focal xenial
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Title:
Unable to umount isodevice
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Thanks all for your comment.
We really need this to be working if we want to do a "click and install"
ubuntu on partionned Windows HD
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Title:
Un
Same error with 20.04
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Title:
Unable to umount isodevice
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Sorry forgot to add I then did umount /isodevice after losetup -d.
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Title:
Unable to umount isodevice
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I am booting my own casper based Ubuntu 18.04 LTS ISO image from a disk
partition and also ran into this problem with toram apparently not
working (well not completely at least).
The issue is the loopback devices are keeping the source disk active.
Doing a forced umount doesn't help as the system
I can confirm that this bug is still in the newest 18.04 LTS.
Even worse, I am trying to do unattended installation from iso image on
HD. Now I need to figure out a way to handle this.
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Is this bug ever going to be resolved? It's been active and unassigned
since 2013, and no resolution but this manual step, and it doesn't just
effect Ubuntu, but all Ubuntu-family distributions, Linux Mint,
elementary OS included.
I'm trying to make multi-boot USBs that I can pass out to new/exist
Seeing this now with artful desktop iso, September 27, 2017! Iso is
loaded from usb drive, iso mounts the hd to usb's /isodevice, fails to
umount, hangs install. Going into xterm, sudo umount -f, did not work,
but hopefully adding sudo umount -l -r -f /isodevice is going to work
now. Thanks.
I ins
I had the .iso on sda1 and copied the directory to sda2 and sda7, to be able to
install to sda1.
But, sda1 was still mounted as /isodevice, though the grub entry clearly
pointed to .iso on sda2 (or sda7). I had to rename the directory with the .iso
on sda1.
I seems, that the installer tries all
This similar bug says to use toram boot paramater, but if installer
offers to unmount partition, it still should do that.
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/684280
Post #14 by experimancer
Fix is actully here: https://help.ubuntu.com/community/Grub2/ISOBoot (i.e add
"toram"
Same issue with 16.04 Xenial.
Installer does ask if you want to unmount, but it does not unmount and hangs or
gives errors.
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Title:
Unable to um
Now getting same issue with UEFI boot and Wily. ISO on sdb, boot is from
sda as that is all the grub allows with UEFI.
And it automounts a partition in sda (random partition?) as /isodevice.
So then it will not let install to another partition on sda.
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Same error with trusty
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Title:
Unable to umount isodevice
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I tried installing Kubuntu Raring Beta 2 and Raring final using ISO
loopback, but it gave this error saying "/isodevice could not
unmounted", and while it lets me select the timezone, keyboard layout
etc, the installation doesn't really seem to progress because the
progress bar reads "Detecting fil
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: ubiquity (Ubuntu)
Status: New => Confirmed
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