This issue only happens on the KVM kernel, Bionic generic works fine
with it.
** Also affects: sysdig (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1766565
Title:
Unable to insert sysdig_probe module on B-KVM kernel
Status in ubuntu-kernel-tests:
New
Status in linux-kvm package in Ubuntu:
New
Status in sysdig package in Ubuntu:
New
Bug description:
The sysdig-dkms module cannot be installed on the B-KVM kernel before
(bug 1764693), but the installation works with 4.15.0-1007
However, when you try to insert the module, it will complain about:
$ sudo modprobe sysdig-probe
modprobe: ERROR: could not insert 'sysdig_probe': Unknown symbol in module,
or unknown parameter (see dmesg)
Log in dmesg:
[ 1989.967807] sysdig_probe: loading out-of-tree module taints kernel.
[ 1989.967924] sysdig_probe: module verification failed: signature and/or
required key missing - tainting kernel
[ 1989.967986] sysdig_probe: Unknown symbol tracepoint_probe_unregister (err
0)
[ 1989.968090] sysdig_probe: Unknown symbol for_each_kernel_tracepoint (err 0)
[ 1989.968094] sysdig_probe: Unknown symbol tracepoint_probe_register (err 0)
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1007-kvm 4.15.0-1007.7
ProcVersionSignature: User Name 4.15.0-1007.7-kvm 4.15.17
Uname: Linux 4.15.0-1007-kvm x86_64
ApportVersion: 2.20.9-0ubuntu6
Architecture: amd64
Date: Tue Apr 24 11:31:08 2018
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)
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