[LU-4669] compile error on ppc64: __ksymtab_ldiskfs_ext_pblock causes a section type conflict

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.7.0, Lustre 2.5.4
• Affects Version/s: Lustre 2.6.0
• Environment: Lustre Build: http://build.whamcloud.com/job/lustre-master/1909/; Distro/Arch: RHEL6.5/ppc64
• Severity: 3
• Assignee: Jian Yu
• Reporter: Jian Yu

Description

While compiling Lustre master branch against kernel 2.6.32-431.5.1.el6 on RHEL6.5/ppc64 by using lbuild, I hit the following errors:

/root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4832: error: __ksymtab_ldiskfs_ext_pblock causes a section type conflict
/root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4832: error: __ksymtab_ldiskfs_ext_pblock causes a section type conflict
/root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4829: error: __ksymtab_ldiskfs_ext_store_pblock causes a section type conflict
/root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4829: error: __ksymtab_ldiskfs_ext_store_pblock causes a section type conflict

The lbuild log "lbuild.ppc64.log" is attached.