# pacman -Su
:: Starting full system upgrade...
resolving dependencies...
looking for conflicting packages...

Packages (2) linux-grsec-4.5.5.201605291201-1  linux-grsec-headers-4.5.5.201605291201-1

Total Installed Size:  188,36 MiB
Net Upgrade Size:       48,54 MiB

:: Proceed with installation? [Y/n] 
(2/2) checking keys in keyring                                                                           [##############################################################] 100%
(2/2) checking package integrity                                                                         [##############################################################] 100%
(2/2) loading package files                                                                              [##############################################################] 100%
(2/2) checking for file conflicts                                                                        [##############################################################] 100%
error: failed to commit transaction (conflicting files)
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/Makefile exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/colorize_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/constify_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/gcc-common.h exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/gcc-generate-gimple-pass.h exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/gcc-generate-ipa-pass.h exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/gcc-generate-rtl-pass.h exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/initify_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/kernexec_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/rap_plugin/Makefile exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/rap_plugin/rap_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/size_overflow_plugin/Makefile exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/size_overflow_plugin/size_overflow_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/stackleak_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
/usr/lib/modules/4.5.5.201605291201-1-grsec/build/scripts/gcc-plugins/structleak_plugin.so exists in both 'linux-grsec' and 'linux-grsec-headers'
Errors occurred, no packages were upgraded.
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