** Changed in: debian-installer (Ubuntu Xenial)
Status: New => In Progress
** Changed in: debian-installer (Ubuntu Xenial)
Assignee: (unassigned) => dann frazier (dannf)
** Changed in: debian-installer (Ubuntu Xenial)
Importance: Undecided => High
** Description changed:
- The yakkety/arm64 Ubuntu Server ISO 20161008 daily build fails to boot.
- After selecting "Install Ubuntu Server" from the GRUB menu, the
- following message appears:
+ [Impact]
+ Ubuntu Server ISO fails to boot on arm64/efi systems.
+
+ [Test Case]
+ Boot the ISO on an arm64 system and select the "Install Ubuntu" option.
+ Normally you'd expect Linux to boot and the installer screen to be displayed.
+ However, with this bug, instead you will see:
error: invalid magic number.
unaligned pointer 0xb84630e8
Aborted. Press any key to exit.
-
- This is due to the arm64 kernel now being gzip'd (See LP: #1384955), and GRUB
not having loaded the gzio module. Whatever generates the grub.cfg for the
cdimages likely needs to be updated to load this module in advance of loading
the kernel.
+ This is due to the arm64 kernel now being gzip'd (See LP: #1384955), and
+ GRUB not having loaded the gzio module. Whatever generates the grub.cfg
+ for the cdimages likely needs to be updated to load this module in
+ advance of loading the kernel.
Workaround:
- - At the GRUB menu, press "c" to enter the GRUB shell
- - At the shell, run 'insmod gzio'
- - Press escape to return to the GRUB menu
- - Make your boot selection as per normal.
+ - At the GRUB menu, press "c" to enter the GRUB shell
+ - At the shell, run 'insmod gzio'
+ - Press escape to return to the GRUB menu
+ - Make your boot selection as per normal.
+
+ [Regression Risk]
+ This is just adding an additional GRUB module to the installer GRUB image.
We've been shipping this in installers since 16.10 w/o any reports of issues.
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https://bugs.launchpad.net/bugs/1632473
Title:
arm64 grub needs to load gzio
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