https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-5205 Lustre <p>The Lustre commit c394068ee148595711c661651368b91373bcc78a break a Xeon Phi build.<br/> Reviewed-on: <a href="http://review.whamcloud.com/10709" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/10709</a></p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>/var/lib/jenkins/workspace/lustre-master/arch/xeonphi/build_type/client/distro/el6/ib_stack/inkernel/BUILD/BUILD/lustre-2.5.60/lustre/mdc/mdc_request.c: In function 'mdc_page_locate': /var/lib/jenkins/workspace/lustre-master/arch/xeonphi/build_type/client/distro/el6/ib_stack/inkernel/BUILD/BUILD/lustre-2.5.60/lustre/mdc/mdc_request.c:1184:2: error: implicit declaration of function 'radix_tree_exceptional_entry' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors </pre> </div></div> LU-5205

Recent commit for exception entry check break a Xeon Phi build

Bug Minor Resolved Fixed Yang Sheng Dmitry Eremin Mon, 16 Jun 2014 19:52:59 +0000 Mon, 22 Feb 2016 03:19:21 +0000 Fri, 20 Jun 2014 05:41:48 +0000 Lustre 2.6.0 Lustre 2.6.0 0 6 <p>What kernel does the phi use and where is the source tree?</p> <p>Xeon Phi based on 2.6.38 Linux kernel with additional patches for MIC architecture. The sources you can get from MPSS distributive.</p> <ol> <li>Download SOURCE tarball from <a href="https://software.intel.com/en-us/articles/intel-manycore-platform-software-stack-mpss" class="external-link" target="_blank" rel="nofollow noopener">https://software.intel.com/en-us/articles/intel-manycore-platform-software-stack-mpss</a></li> <li>Unpack linux-2.6.38+mpss*.tar.bz2 from it (this archive is source of Linux kernel from Xeon Phi)</li> </ol> <p>I found commit 6328650bb4d854a7dc1498d1c0048b838b0d340c<br/> Author: Hugh Dickins &lt;hughd@google.com&gt;<br/> Date: Wed Aug 3 16:21:18 2011 -0700</p> <p> radix_tree: exceptional entries and indices</p> <p>It looks it was included in v3.1 kernel but back ported into RHEL kernel.</p> <p>So can we just add some predefine condition for Xeon Phi special or add a config check?</p> <p><a href="http://review.whamcloud.com/#/c/10734/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/10734/</a></p> <p><a href="http://review.whamcloud.com/10734" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/10734</a></p> <p>It's strange but now I have troubles with dependency of libcfsutils.a from libcfs.a. For example, the following error:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>k1om-mpss-linux-libtool: link: k1om-mpss-linux-gcc -g -Wall -fPIC -D_GNU_SOURCE -m64 --sysroot=/opt/mpss/3.1.2/sysroots/k1om-mpss-linux -rdynamic --sysroot=/opt/mpss/3.1.2/sysroots/k1om-mpss-linux -Wl,--build-id -o mount.lustre mount_lustre-mount_lustre.o mount_lustre-mount_utils.o -ldl ../../lnet/utils/libptlctl.a ../../libcfs/libcfs/libcfs.a ../../libcfs/libcfs/libcfsutil.a ../../libcfs/libcfs/libcfsutil.a(libcfsutil_a-nidstrings.o): In function `cfs_parse_nidlist': /home/lustre/lustre-release/libcfs/libcfs/nidstrings.c:906: undefined reference to `libcfs_log_return' /home/lustre/lustre-release/libcfs/libcfs/nidstrings.c:911: undefined reference to `libcfs_log_return' /home/lustre/lustre-release/libcfs/libcfs/nidstrings.c:914: undefined reference to `libcfs_log_return' ../../libcfs/libcfs/libcfsutil.a(libcfsutil_a-nidstrings.o): In function `cfs_match_nid': /home/lustre/lustre-release/libcfs/libcfs/nidstrings.c:954: undefined reference to `libcfs_log_return' /home/lustre/lustre-release/libcfs/libcfs/nidstrings.c:958: undefined reference to `libcfs_log_return' ../../libcfs/libcfs/libcfsutil.a(libcfsutil_a-nidstrings.o):/home/lustre/lustre-release/libcfs/libcfs/nidstrings.c:960: more undefined references to `libcfs_log_return' follow collect2: ld returned 1 exit status make[4]: *** [mount.lustre] Error 1 </pre> </div></div> <p>Landed for 2.6</p> Related Development Rank 1|hzwp5j: Rank (Obsolete) 14530 Severity