[lttng-dev] In Redhat 7.1 kmod-lttng-modules is not installed

Michael Jeanson mjeanson at efficios.com
Fri Jun 17 15:08:35 UTC 2016


Hi,

The 'kmod-lttng-modules' binary package we provide only supports the latest
RHEL 7.x kernel, you can either upgrade your system to the latest kernel or
get the source package [1] and build it against your current kernel.

Regards,

Michael

[1] http://packages.efficios.com/rhel/7/SRPMS/latest/lttng-modules/lttng-modules-2.8.0-1.el7.src.rpm


----- On Jun 17, 2016, at 8:53 AM, Ravi Inder Singh raviinder at gmail.com wrote:

> Hi all,
> 1)
> RHEL 7.1 OS version is :-
> 
> *****************************************************************8
> cat /etc/*release
> NAME="Red Hat Enterprise Linux Workstation"
> VERSION="7.1 (Maipo)"
> ID="rhel"
> ID_LIKE="fedora"
> VERSION_ID="7.1"
> PRETTY_NAME="Red Hat Enterprise Linux Workstation 7.1 (Maipo)"
> ANSI_COLOR="0;31"
> CPE_NAME="cpe:/o:redhat:enterprise_linux:7.1:GA:workstation"
> HOME_URL=" https://www.redhat.com/ "
> BUG_REPORT_URL=" https://bugzilla.redhat.com/ "
> *********************************************************************
> 2) I installed everything but when i start kernel tracer it throws me error
> "Kernel Tracer not available"
> 
> 
> lttng enable-event --kernel allError: Event all: Kernel tracer not available
> (channel channel0, session auto-20160616-165319)
> 
> 
> Issue i beleive is while installing kernel modules it give me following
> warnings.
> Here is output.
> 
> 
> root # yum install kmod-lttng-modules
> Loaded plugins: langpacks, product-id, subscription-manager
> This system is not registered to Red Hat Subscription Management. You can use
> subscription-manager to register.
> Resolving Dependencies
> --> Running transaction check
> ---> Package kmod-lttng-modules.x86_64 0:2.8.0-1.el7 will be installed
> --> Finished Dependency Resolution
> 
> Dependencies Resolved
> 
> ================================================================================================================================================================================
> Package Arch Version Repository Size
> ================================================================================================================================================================================
> Installing:
> kmod-lttng-modules x86_64 2.8.0-1.el7 EfficiOS-RHEL7-x86-64 281 k
> 
> Transaction Summary
> ================================================================================================================================================================================
> Install 1 Package
> 
> Total download size: 281 k
> Installed size: 2.5 M
> Is this ok [y/d/N]: y
> Downloading packages:
> kmod-lttng-modules-2.8.0-1.el7.x86_64.rpm | 281 kB 00:00:00
> Running transaction check
> Running transaction test
> Transaction test succeeded
> Running transaction
> Installing : kmod-lttng-modules-2.8.0-1.el7.x86_64 1/1
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kvm.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kvm.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kvm.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sock.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sock.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sock.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-metadata-client.ko
> needs unknown symbol lttng_transport_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-metadata-client.ko
> needs unknown symbol lttng_transport_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-printk.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-printk.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-printk.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-napi.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-napi.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-napi.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-discard.ko
> needs unknown symbol lttng_transport_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-discard.ko
> needs unknown symbol lttng_transport_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kmem.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kmem.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-kmem.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-compaction.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-compaction.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-compaction.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-overwrite.ko
> needs unknown symbol lttng_transport_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-overwrite.ko
> needs unknown symbol lttng_transport_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-overwrite.ko
> needs unknown symbol lttng_transport_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-mmap-overwrite.ko
> needs unknown symbol lttng_transport_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-x86-exceptions.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-x86-exceptions.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-x86-exceptions.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sunrpc.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sunrpc.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-sunrpc.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-signal.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-signal.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-signal.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-module.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-module.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-module.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-discard.ko
> needs unknown symbol lttng_transport_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/lttng-ring-buffer-client-discard.ko
> needs unknown symbol lttng_transport_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-timer.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-timer.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-timer.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-net.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-net.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-net.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/tests/probes/lttng-test.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/tests/probes/lttng-test.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/tests/probes/lttng-test.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-writeback.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-workqueue.ko
> needs unknown symbol lttng_pid_tracker_lookup
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-irq.ko
> needs unknown symbol lttng_probe_unregister
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-irq.ko
> needs unknown symbol lttng_probe_register
> depmod: WARNING:
> /lib/modules/3.10.0-229.el7.x86_64/weak-updates/lttng-modules/probes/lttng-probe-irq.ko
> needs unknown symbol lttng_pid_tracker_lookup
> Verifying : kmod-lttng-modules-2.8.0-1.el7.x86_64 1/1
> 
> Installed:
> kmod-lttng-modules.x86_64 0:2.8.0-1.el7
> 
> Complete!
> 
> 
> 
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