I hit problems to use systemtap on CentOS 7 with failure to install required kernel-debuginfo-* packages. <br />
# uname -r<br />
3.10.0-123.4.4.el7.x86_64<br />
# stap-prep<br />
Need to install the following packages:<br />
kernel-debuginfo-3.10.0-123.4.4.el7.x86_64<br />
Loaded plugins: fastestmirror, langpacks<br />
Loading mirror speeds from cached hostfile<br />
* base: centos.clearvoiceone.com<br />
* centosplus: mirror.cogentco.com<br />
* extras: mirrordenver.fdcservers.net<br />
* updates: mirror.steadfast.net<br />
No package kernel-debuginfo-3.10.0-123.4.4.el7.x86_64 available.<br />
Error: Nothing to do<br />
package kernel-debuginfo-3.10.0-123.4.4.el7.x86_64 is not installed<br />
problem installing rpm(s) kernel-debuginfo-3.10.0-123.4.4.el7.x86_64<br />
<br />
Also failed to install kernel-debuginfo via yum: <br />
# yum install kernel-debuginfo<br />
Loaded plugins: fastestmirror, langpacks<br />
Loading mirror speeds from cached hostfile<br />
* base: centos.clearvoiceone.com<br />
* centosplus: mirror.hmc.edu<br />
* extras: mirrordenver.fdcservers.net<br />
* updates: mirror.steadfast.net<br />
No package kernel-debuginfo available.<br />
Error: Nothing to do<br />
I tried to find those required debuginfo packages but only find one on <a href="http://debuginfo.centos.org/7/x86_64:">http://debuginfo.centos.org/7/x86_64:</a> [<a href="http://debuginfo.centos.org/7/x86_64:" target="_blank">^</a>]<br />
kernel-plus-debuginfo-3.10.0-123.el7.centos.plus.x86_64.rpm. <br />
<br />
When I manually install this rpm and failed to find its dependency:<br />
# rpm -ihv kernel-plus-debuginfo-3.10.0-123.el7.centos.plus.x86_64.rpm <br />
warning: kernel-plus-debuginfo-3.10.0-123.el7.centos.plus.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID b6792c39: NOKEY<br />
error: Failed dependencies:<br />
kernel-plus-debuginfo-common-x86_64 = 3.10.0-123.el7.centos.plus is needed by kernel-plus-debuginfo-3.10.0-123.el7.centos.plus.x86_64<br />
<br />
It seems no kernel-debufinfo-* packages available for CentOS7 now.
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