** Description changed:

+ This is a two-folded issue:
+   1. DKMS module failed to build
+   2. Unable to modprobe sysdig-probe
+ 
  Steps:
-   1. Deploy a KVM instance with Bionic, install linux-kvm on it.
-   2. Install sysdig-dkms
+   1. Deploy a KVM instance with Bionic, install linux-kvm on it.
+   2. Install sysdig-dkms
  
  Result:
-     Setting up sysdig-dkms (0.19.1-1build2) ...
-     Loading new sysdig-0.19.1 DKMS files...
-     Building for 4.15.0-1004-kvm
-     Building initial module for 4.15.0-1004-kvm
-     Error! Bad return status for module build on kernel: 4.15.0-1004-kvm 
(x86_64)
+     Setting up sysdig-dkms (0.19.1-1build2) ...
+     Loading new sysdig-0.19.1 DKMS files...
+     Building for 4.15.0-1004-kvm
+     Building initial module for 4.15.0-1004-kvm
+     Error! Bad return status for module build on kernel: 4.15.0-1004-kvm 
(x86_64)
  
  The dkms make log:
-     DKMS make.log for sysdig-0.19.1 for kernel 4.15.0-1004-kvm (x86_64)
-     Tue Apr 17 09:11:09 UTC 2018
-     make: Entering directory '/usr/src/linux-headers-4.15.0-1004-kvm'
-     Makefile:974: *** "Cannot generate ORC metadata for 
CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or 
elfutils-libelf-devel".  Stop.
-     make: Leaving directory '/usr/src/linux-headers-4.15.0-1004-kvm'
+     DKMS make.log for sysdig-0.19.1 for kernel 4.15.0-1004-kvm (x86_64)
+     Tue Apr 17 09:11:09 UTC 2018
+     make: Entering directory '/usr/src/linux-headers-4.15.0-1004-kvm'
+     Makefile:974: *** "Cannot generate ORC metadata for 
CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or 
elfutils-libelf-devel".  Stop.
+     make: Leaving directory '/usr/src/linux-headers-4.15.0-1004-kvm'
  
- Install libelf-dev can solve this issue. Since we don't ask the test to
- install this package, and it runs smoothly on the other releases, I
- think this might be a bug.
+ Install libelf-dev can solve the module build issue. But note that we
+ don't ask the test to install this package, and it runs smoothly on the
+ other releases.
+ 
+ Furthermore, even with the libelf-dev, sysdig-dkms module install,
+ command "sudo modprobe sysdig-probe" will return:
+ 
+ [ 1667.146657] sysdig_probe: Unknown symbol tracepoint_probe_unregister (err 
0)
+ [ 1667.146766] sysdig_probe: Unknown symbol for_each_kernel_tracepoint (err 0)
+ [ 1667.146774] sysdig_probe: Unknown symbol tracepoint_probe_register (err 0)
+ 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-1004-kvm 4.15.0-1004.4
  ProcVersionSignature: User Name 4.15.0-1004.4-kvm 4.15.15
  Uname: Linux 4.15.0-1004-kvm x86_64
  ApportVersion: 2.20.9-0ubuntu5
  Architecture: amd64
  Date: Tue Apr 17 09:11:17 2018
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=C.UTF-8
-  SHELL=/bin/bash
+  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)

** Summary changed:

- Failed to install sysdig DKMS module on B-KVM kernel
+ Failed to run ubuntu_sysdig_smoke_test on B-KVM kernel

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-kvm in Ubuntu.
https://bugs.launchpad.net/bugs/1764693

Title:
  Failed to run ubuntu_sysdig_smoke_test on B-KVM kernel

Status in linux-kvm package in Ubuntu:
  New

Bug description:
  This is a two-folded issue:
    1. DKMS module failed to build
    2. Unable to modprobe sysdig-probe

  Steps:
    1. Deploy a KVM instance with Bionic, install linux-kvm on it.
    2. Install sysdig-dkms

  Result:
      Setting up sysdig-dkms (0.19.1-1build2) ...
      Loading new sysdig-0.19.1 DKMS files...
      Building for 4.15.0-1004-kvm
      Building initial module for 4.15.0-1004-kvm
      Error! Bad return status for module build on kernel: 4.15.0-1004-kvm 
(x86_64)

  The dkms make log:
      DKMS make.log for sysdig-0.19.1 for kernel 4.15.0-1004-kvm (x86_64)
      Tue Apr 17 09:11:09 UTC 2018
      make: Entering directory '/usr/src/linux-headers-4.15.0-1004-kvm'
      Makefile:974: *** "Cannot generate ORC metadata for 
CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or 
elfutils-libelf-devel".  Stop.
      make: Leaving directory '/usr/src/linux-headers-4.15.0-1004-kvm'

  Install libelf-dev can solve the module build issue. But note that we
  don't ask the test to install this package, and it runs smoothly on
  the other releases.

  Furthermore, even with the libelf-dev, sysdig-dkms module install,
  command "sudo modprobe sysdig-probe" will return:

  [ 1667.146657] sysdig_probe: Unknown symbol tracepoint_probe_unregister (err 
0)
  [ 1667.146766] sysdig_probe: Unknown symbol for_each_kernel_tracepoint (err 0)
  [ 1667.146774] sysdig_probe: Unknown symbol tracepoint_probe_register (err 0)

  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-1004-kvm 4.15.0-1004.4
  ProcVersionSignature: User Name 4.15.0-1004.4-kvm 4.15.15
  Uname: Linux 4.15.0-1004-kvm x86_64
  ApportVersion: 2.20.9-0ubuntu5
  Architecture: amd64
  Date: Tue Apr 17 09:11:17 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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