Ubuntu 20.04 on a Nutanix AHV platform crashes the installer

Bug #1900819 reported by Dennis Dalsten
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This bug affects 1 person
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subiquity
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Bug Description

I haven't found anything similar to this, but if my search failed me please guide me to the right bug report.

I'm trying to install Ubuntu 20.04 on a VM running on Nutanix AHV. After the partitioning screen (doesn't make a difference whether I let the installer create the partitioning or I create it manually), the installer crashes on the screen where you select a username, hostname etc..

Looking at the logs, it errors out with "too many values to unpack (expected 2)" after running the udevadm info command. Checking the output of "udevadm info --query=property --export /dev/sda" I suspect it's because of a single value (SCSI_IDENT_TARGET_VENDOR) actually contains the separator (=) that line.split uses in curtin/udev.py in line 95 and therefore results in more than 2 splits?

I have tried using the latest snap for subiquity but with no luck.

I have uploaded a crash report on this, so hopefully you have all the necessary information but let me know if you need anything else. This is reproducible and actually prevents me from installing Ubuntu 20.04, so any help or guidance would be appreciated.

Revision history for this message
Dennis Dalsten (dalsten) wrote :
Revision history for this message
Ryan DeHart (ryan-dehart) wrote :

I encountered this issue when attempting installation with UEFI. Please refer to the Nutanix KB article 000010091 at https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000bs9XCAQ. It links to another bug at https://bugs.launchpad.net/curtin/+bug/1895021. In short, the workaround offered is to start with BIOS then convert to UEFI after intallation.

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