Public bug reported: Hello, I updated Ubuntu yesterday w/ the following packages:
Start-Date: 2014-12-17 16:46:20 Commandline: aptdaemon role='role-commit-packages' sender=':1.406' Upgrade: linux-headers-3.16.0-28:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-tools-common:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-image-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-tools-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), language-pack-gnome-en:amd64 (14.10+20141020, 14.10+20141205), linux-headers-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-tools-3.16.0-28:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-image-extra-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-signed-image-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), language-pack-gnome-en-base:amd64 (14.10+20141020, 14.10+20141205), linux-libc-dev:amd64 (3.16.0-28.37, 3.16.0-28.38) End-Date: 2014-12-17 16:47:03 After the update, I noticed the following lines in dmesg: [450533.640533] Request for unknown module key 'Magrathea: Glacier signing key: af30e7f37b41301c96f985f4789da5f4373e9e92' err -11 [450533.640575] libcrc32c: module verification failed: signature and/or required key missing - tainting kernel Should I be worried? I didn't reboot yet but I have secure boot disabled so I don't think that I would have any issue bug I'm wondering why I got hat msg. ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete ** Tags: kernel-bug utopic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1403999 Title: libcrc32c: module verification failed: signature and/or required key missing - tainting kernel Status in linux package in Ubuntu: Incomplete Bug description: Hello, I updated Ubuntu yesterday w/ the following packages: Start-Date: 2014-12-17 16:46:20 Commandline: aptdaemon role='role-commit-packages' sender=':1.406' Upgrade: linux-headers-3.16.0-28:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-tools-common:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-image-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-tools-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), language-pack-gnome-en:amd64 (14.10+20141020, 14.10+20141205), linux-headers-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-tools-3.16.0-28:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-image-extra-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), linux-signed-image-3.16.0-28-generic:amd64 (3.16.0-28.37, 3.16.0-28.38), language-pack-gnome-en-base:amd64 (14.10+20141020, 14.10+20141205), linux-libc-dev:amd64 (3.16.0-28.37, 3.16.0-28.38) End-Date: 2014-12-17 16:47:03 After the update, I noticed the following lines in dmesg: [450533.640533] Request for unknown module key 'Magrathea: Glacier signing key: af30e7f37b41301c96f985f4789da5f4373e9e92' err -11 [450533.640575] libcrc32c: module verification failed: signature and/or required key missing - tainting kernel Should I be worried? I didn't reboot yet but I have secure boot disabled so I don't think that I would have any issue bug I'm wondering why I got hat msg. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1403999/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp