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
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https://bugs.launchpad.net/bugs/1403999
Title:
libcrc32c: module verification failed: signature and/or required key
missing - tainting kernel
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