I am using the 3.19.0-031900 kernel with Ubuntu 14.04 and I am seeing the 'Magrathea' message in dmesg:
$ dmesg -T|grep -E "(319|Magra)" [Sat Mar 7 11:39:12 2015] Linux version 3.19.0-031900-generic (kernel@tangerine) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201502091451 SMP Mon Feb 9 14:52:52 UTC 2015 [Sat Mar 7 11:39:12 2015] Command line: BOOT_IMAGE=/boot/vmlinuz-3.19.0-031900-generic root=UUID=034f0162-ec48-4103-8f24-b15f1fd1a08d ro find_preseed=/preseed.cfg noprompt quiet [Sat Mar 7 11:39:12 2015] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.19.0-031900-generic root=UUID=034f0162-ec48-4103-8f24-b15f1fd1a08d ro find_preseed=/preseed.cfg noprompt quiet [Sat Mar 7 11:39:13 2015] usb usb1: Manufacturer: Linux 3.19.0-031900-generic ehci_hcd [Sat Mar 7 11:39:13 2015] usb usb2: Manufacturer: Linux 3.19.0-031900-generic uhci_hcd [Sat Mar 7 11:39:13 2015] Loaded X.509 cert 'Magrathea: Glacier signing key: 7271576a09d86ef244371b0633e47abb75b89d' [Sat Mar 7 11:39:13 2015] Request for unknown module key 'Magrathea: Glacier signing key: 007271576a09d86ef244371b0633e47abb75b89d' err -11 [... Magrathea message repeated many many times! ...]
I am using the 3.19.0-031900 kernel with Ubuntu 14.04 and I am seeing the 'Magrathea' message in dmesg:
$ dmesg -T|grep -E "(319|Magra)" 031900- generic (kernel@tangerine) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201502091451 SMP Mon Feb 9 14:52:52 UTC 2015 /boot/vmlinuz- 3.19.0- 031900- generic root=UUID= 034f0162- ec48-4103- 8f24-b15f1fd1a0 8d ro find_preseed= /preseed. cfg noprompt quiet /boot/vmlinuz- 3.19.0- 031900- generic root=UUID= 034f0162- ec48-4103- 8f24-b15f1fd1a0 8d ro find_preseed= /preseed. cfg noprompt quiet 031900- generic ehci_hcd 031900- generic uhci_hcd 244371b0633e47a bb75b89d' ef244371b0633e4 7abb75b89d' err -11
[Sat Mar 7 11:39:12 2015] Linux version 3.19.0-
[Sat Mar 7 11:39:12 2015] Command line: BOOT_IMAGE=
[Sat Mar 7 11:39:12 2015] Kernel command line: BOOT_IMAGE=
[Sat Mar 7 11:39:13 2015] usb usb1: Manufacturer: Linux 3.19.0-
[Sat Mar 7 11:39:13 2015] usb usb2: Manufacturer: Linux 3.19.0-
[Sat Mar 7 11:39:13 2015] Loaded X.509 cert 'Magrathea: Glacier signing key: 7271576a09d86ef
[Sat Mar 7 11:39:13 2015] Request for unknown module key 'Magrathea: Glacier signing key: 007271576a09d86
[... Magrathea message repeated many many times! ...]