This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1973034
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1973034
Title:
linux generic fails to boot on azure arm64 instance types
Status in linux package in Ubuntu:
Incomplete
Bug description:
Azure now has arm64 instances in a preview, for example
Standard_D2pds_v5. These work with the b/linux-azure and f/linux-azure
kernels, but fail to boot with linux-generic.
Looks like a storage device issue (from serial console):
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ...
done.
Begin: Running /scripts/local-premount ... [ 4.651830] Btrfs loaded,
crc32c=crc32c-generic
[ 4.651830] Btrfs loaded, crc32c=crc32c-generic
Scanning for Btrfs filesystems
done.
Begin: Waiting for root file system ... Begin: Running /scripts/local-block
... mdadm: No devices listed in conf file were found.
done.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: error opening /dev/md?*: No such file or directory
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
mdadm: No devices listed in conf file were found.
done.
Gave up waiting for root file system device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system wait long enough?)
- Missing modules (cat /proc/modules; ls /dev)
ALERT! UUID=b9c04583-2c65-4891-aa8e-a494eb94fd14 does not exist. Dropping
to a shell!
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