Comment 5 for bug 1485511

------- Comment From <email address hidden> 2015-08-26 06:15 EDT-------
This issue is seen frequently in many daily builds.

Recreated in latest 20150824 Ubuntu 15.10 build in SGC1 guest.

I have observed and analyzed logs found same error as below:

BusyBox v1.22.1 (Ubuntu 1:1.22.0-9ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ # cd /var/log
/var/log # ls
partman syslog
/var/log # cat syslog | grep -i bootstrap
Aug 25 21:40:22 anna[1481]: DEBUG: retrieving bootstrap-base 1.144ubuntu2
Aug 25 21:40:22 anna[1481]: 2015-08-25 21:40:22 URL:http://ports.ubuntu.com/ubuntu-ports//pool/main/b/base-installer/bootstrap-base_1.144ubuntu2_ppc64el.udeb [126338/126338] -> "/var/cache/anna/bootstrap-base_1.144ubuntu2_ppc64el.udeb" [1]
Aug 25 21:40:23 anna[1481]: DEBUG: retrieving debootstrap-udeb 1.0.72
Aug 25 21:40:23 anna[1481]: 2015-08-25 21:40:23 URL:http://ports.ubuntu.com/ubuntu-ports//pool/main/d/debootstrap/debootstrap-udeb_1.0.72_all.udeb [18514/18514] -> "/var/cache/anna/debootstrap-udeb_1.0.72_all.udeb" [1]
Aug 25 21:47:19 main-menu[290]: INFO: Menu item 'bootstrap-base' selected
Aug 25 21:47:25 debootstrap: gpgv: Signature made Tue Aug 25 09:31:36 2015 UTC using DSA key ID 437D05B5
Aug 25 21:47:25 debootstrap: gpgv:
Aug 25 21:47:25 debootstrap: BAD signature from "Ubuntu Archive Automatic Signing Key <email address hidden>"
Aug 25 21:47:25 debootstrap:
Aug 25 21:49:07 base-installer: error: exiting on error base-installer/debootstrap-failed
Aug 25 21:49:10 main-menu[290]: WARNING **: Configuring 'bootstrap-base' failed with error code 30
Aug 25 21:49:10 main-menu[290]: WARNING **: Menu item 'bootstrap-base' failed.
/var/log #