On 04/25/2013 04:52 PM, Joseph Thomas Szep wrote:
> Hi,
>
> We tried to install the lastest kernel update kernel-2.6.32-358.6.1.el6 and due to
> an odd chain of dependencies, all openafs packages were removed.
>
> On our systems, we only keep 2 kernels (as opposed to the default of 3).  So we have
> kernels:
>
> # rpm -q kernel
> kernel-2.6.32-279.19.1.el6.x86_64
> kernel-2.6.32-358.2.1.el6.x86_64
>
> and openafs packages:
>
> openafs.x86_64                                   1.6.2-0.144.sl6                     @sl/6.2
> openafs-client.x86_64                            1.6.2-0.144.sl6                     @sl/6.2
> openafs-krb5.x86_64                              1.6.2-0.144.sl6                     @sl/6.2
> openafs-module-tools.x86_64                      1.6.2-0.144.sl6                     @sl-security/6.2
> kmod-openafs.noarch                              1.6.2-4.SL64.el6                    @sl-security/6.2
> kmod-openafs-279.x86_64                          1.6.2-0.144.sl6.279                 @sl-security/6.2
> kmod-openafs-358.x86_64                          1.6.2-0.144.sl6.358.0.1             @sl-security/6.2
>
> When the kernel-2.6.32-358.6.1 packages install (due to installonly_limit=2 in our yum.conf), the
> "279" kernel is removed and that triggers the removal of kmod-openafs-279.  That seems to trigger
> the removal of kmod-openafs and THAT triggers the removal of kmod-openafs-358.
>
> All this seems to trigger the removal of openafs-client and that leads to local afs-depend
> packages to be removed (usrlocalITbin).  The output from a yum upgrade follows:
>
> # yum update kernel
> Loaded plugins: aliases, priorities, product-id, protectbase, refresh-packagekit, subscription-manager
> Updating Red Hat repositories.
> 1427 packages excluded due to repository priority protections
> 0 packages excluded due to repository protections
> Setting up Update Process
> Resolving Dependencies
> --> Running transaction check
> ---> Package kernel.x86_64 0:2.6.32-358.6.1.el6 will be installed
> --> Processing Dependency: kernel-firmware >= 2.6.32-358.6.1.el6 for package: kernel-2.6.32-358.6.1.el6.x86_64
> --> Running transaction check
> ---> Package kernel-firmware.noarch 0:2.6.32-358.2.1.el6 will be updated
> ---> Package kernel-firmware.noarch 0:2.6.32-358.6.1.el6 will be an update
> --> Finished Dependency Resolution
> --> Running transaction check
> ---> Package kernel.x86_64 0:2.6.32-279.19.1.el6 will be erased
> --> Processing Dependency: kernel(do_settimeofday) = 0x5603cf43 for package: kmod-openafs-279-1.6.2-0.144.sl6.279.x86_64
> --> Running transaction check
> ---> Package kmod-openafs-279.x86_64 0:1.6.2-0.144.sl6.279 will be erased
> --> Processing Dependency: kmod-openafs-279 for package: kmod-openafs-1.6.2-4.SL64.el6.noarch
> --> Running transaction check
> ---> Package kmod-openafs.noarch 0:1.6.2-4.SL64.el6 will be erased
> --> Processing Dependency: openafs-kernel >= 1.6 for package: openafs-client-1.6.2-0.144.sl6.x86_64
> --> Running transaction check
> ---> Package openafs-client.x86_64 0:1.6.2-0.144.sl6 will be erased
> --> Processing Dependency: openafs-client >= 1.6 for package: kmod-openafs-358-1.6.2-0.144.sl6.358.0.1.x86_64
> --> Processing Dependency: openafs-client for package: usrlocalITbin-6.0-el6.bucs.1.noarch
> --> Running transaction check
> ---> Package kmod-openafs-358.x86_64 0:1.6.2-0.144.sl6.358.0.1 will be erased
> ---> Package usrlocalITbin.noarch 0:6.0-el6.bucs.1 will be erased
> --> Finished Dependency Resolution
>
> Dependencies Resolved
>
> ====================================================================================================================================
>   Package                         Arch                  Version                                Repository                       Size
> ====================================================================================================================================
> Installing:
>   kernel                          x86_64                2.6.32-358.6.1.el6                     sl-security                      26 M
> Removing:
>   kernel                          x86_64                2.6.32-279.19.1.el6                    @sl-security/6.2                113 M
> Updating for dependencies:
>   kernel-firmware                 noarch                2.6.32-358.6.1.el6                     sl-security                      11 M
> Removing for dependencies:
>   kmod-openafs                    noarch                1.6.2-4.SL64.el6                       @sl-security/6.2                0.0
>   kmod-openafs-279                x86_64                1.6.2-0.144.sl6.279                    @sl-security/6.2                1.3 M
>   kmod-openafs-358                x86_64                1.6.2-0.144.sl6.358.0.1                @sl-security/6.2                1.3 M
>   openafs-client                  x86_64                1.6.2-0.144.sl6                        @sl/6.2                         2.4 M
>   usrlocalITbin                   noarch                6.0-el6.bucs.1                         @cs/6.1                         391
>
> Transaction Summary
> ====================================================================================================================================
> Install       1 Package(s)
> Upgrade       1 Package(s)
> Remove        6 Package(s)
>
> Total download size: 37 M
> Is this ok [y/N]:
>
>
> People may not see this behavior this time around if they are defaulting to keeping
> three kernels installed, but it will sure hit everyone with the next kernel update.
>
> -Joe Szep
>
>
>

That is unexpected behavior, thanks for the report!

Pat

-- 
Pat Riehecky

Scientific Linux developer
http://www.scientificlinux.org/