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-3713 Lustre <p>This issue was created by maloo for sarah &lt;sarah@whamcloud.com&gt;</p> <p>This issue relates to the following test suite run: <a href="http://maloo.whamcloud.com/test_sets/06ab5688-fb67-11e2-8c6e-52540035b04c" class="external-link" target="_blank" rel="nofollow noopener">http://maloo.whamcloud.com/test_sets/06ab5688-fb67-11e2-8c6e-52540035b04c</a>.</p> <p>The sub-test test_17k failed with the following error:</p> <blockquote> <p>rsync failed with xattrs enabled</p></blockquote> <p>test log:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>== sanity test 17k: symlinks: rsync with xattrs enabled =========================== 15:23:56 (1375309436) sending incremental file list rsync: get_xattr_names: llistxattr(".",1024) failed: No data available (61) sent 18 bytes received 12 bytes 60.00 bytes/sec total size is 0 speedup is 0.00 rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1039) [sender=3.0.6] sanity test_17k: @@@@@@ FAIL: rsync failed with xattrs enabled </pre> </div></div> server and client: lustre-master build #1592 LU-3713

Failure on test suite sanity test_17k: get_xattr_names: llistxattr failed

Bug Blocker Resolved Duplicate Hongchao Zhang Maloo HB patch revzfs zfs Tue, 6 Aug 2013 17:22:23 +0000 Tue, 3 Sep 2013 03:33:49 +0000 Tue, 3 Sep 2013 03:33:49 +0000 Lustre 2.5.0 0 5 <p>That looks like a bug somewhere in osd:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">00000004:00000001:0.0:1375316763.193530:0:11801:0:(mdt_xattr.c:175:mdt_getxattr()) <span class="code-object">Process</span> entered 00000004:00000002:0.0:1375316763.193532:0:11801:0:(mdt_xattr.c:180:mdt_getxattr()) getxattr [0x200000bd1:0x183:0x0] 00000004:00000001:0.0:1375316763.193535:0:11801:0:(mdt_lib.c:419:old_init_ucred()) <span class="code-object">Process</span> entered ... 00000004:00000001:0.0:1375316763.193683:0:11801:0:(mdd_object.c:326:mdd_xattr_list()) <span class="code-object">Process</span> entered 00080000:00000001:0.0:1375316763.193687:0:11801:0:(osd_xattr.c:765:osd_xattr_list()) <span class="code-object">Process</span> entered 00080000:00000001:0.0:1375316763.193690:0:11801:0:(osd_xattr.c:781:osd_xattr_list()) <span class="code-object">Process</span> leaving via out (rc=53 : 53 : 0x35) 00080000:00000001:0.0:1375316763.193692:0:11801:0:(osd_xattr.c:814:osd_xattr_list()) <span class="code-object">Process</span> leaving (rc=53 : 53 : 35) 00000004:00000001:0.0:1375316763.193693:0:11801:0:(mdd_object.c:332:mdd_xattr_list()) <span class="code-object">Process</span> leaving (rc=53 : 53 : 35) 00000004:00000001:0.0:1375316763.193711:0:11801:0:(mdt_xattr.c:128:mdt_getxattr_one()) <span class="code-object">Process</span> entered 00000004:00000002:0.0:1375316763.193712:0:11801:0:(mdt_xattr.c:130:mdt_getxattr_one()) getxattr 00000004:00000001:0.0:1375316763.193713:0:11801:0:(mdd_object.c:268:mdd_xattr_get()) <span class="code-object">Process</span> entered 00000004:00000001:0.0:1375316763.193715:0:11801:0:(lod_object.c:370:lod_xattr_get()) <span class="code-object">Process</span> entered 00080000:00000001:0.0:1375316763.193716:0:11801:0:(osd_xattr.c:242:osd_xattr_get()) <span class="code-object">Process</span> entered 00080000:00000001:0.0:1375316763.193718:0:11801:0:(osd_xattr.c:256:osd_xattr_get()) <span class="code-object">Process</span> leaving (rc=18446744073709551555 : -61 : ffffffffffffffc3) 00000004:00000001:0.0:1375316763.193720:0:11801:0:(lod_object.c:374:lod_xattr_get()) <span class="code-object">Process</span> leaving (rc=18446744073709551555 : -61 : ffffffffffffffc3) 00000004:00000001:0.0:1375316763.193721:0:11801:0:(mdd_object.c:287:mdd_xattr_get()) <span class="code-object">Process</span> leaving (rc=18446744073709551555 : -61 : ffffffffffffffc3) 00000004:00020000:0.0:1375316763.193723:0:11801:0:(mdt_xattr.c:134:mdt_getxattr_one()) getxattr failed: -61 00000004:00000001:0.0:1375316763.194795:0:11801:0:(mdt_xattr.c:135:mdt_getxattr_one()) <span class="code-object">Process</span> leaving via out (rc=18446744073709551555 : -61 : 0xffffffffffffffc3) 00000004:00000001:0.0:1375316763.194798:0:11801:0:(mdt_xattr.c:264:mdt_getxattr()) <span class="code-object">Process</span> leaving via out (rc=18446744073709551555 : -61 : 0xffffffffffffffc3) </pre> </div></div> <p>osd tells that it filled out a buffer of 53 bytes of EA names, but osd_xattr_get() for the first item returns -ENODATA.</p> <p>Hm, osd-zfs/osd_xattr.c:osd_xattr_list() changes lb-&gt;lb_buf ignoring that it's not its internal variable and may have a side-effect.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"><span class="code-object">int</span> osd_xattr_list(<span class="code-keyword">const</span> struct lu_env *env, struct dt_object *dt, struct lu_buf *lb, struct lustre_capa *capa) { ... lb-&gt;lb_buf += rc; ... lb-&gt;lb_buf++; ... } </pre> </div></div> <p>The MDT code expects that lb_buf points to the beginning of the buffer with EA names, which is likely to be the same as the input, but may be different.</p> <p>I will update <a href="http://review.whamcloud.com/#/c/7208/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/7208/</a> with a fix for listxattr/getxattr in MDT, since there would be some overlap between the patches anyway.</p> <p>Updated <a href="http://review.whamcloud.com/#/c/7208/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/7208/</a></p> <p>Thanks Panda! Hongchao, could you please take care of this patch?</p> <p>This bug is currently causing failures on ZFS on the following:<br/> conf-sanity/61<br/> replay-single/58c<br/> sanityn/14<span class="error">&#91;acd&#93;</span><br/> sanityn/25a<br/> sanityn/72-73<br/> sanity/17k (obv)<br/> sanity/102<span class="error">&#91;abcfhj&#93;</span><br/> sanity/102ha<br/> sanity/103<br/> sanity/125<br/> sanity/154a<br/> sanity/162<br/> sanity/226a</p> <p>This fix is being tracked under <a href="https://jira.whamcloud.com/browse/LU-3669" title="(mdt_xattr.c:178:mdt_getxattr()) ASSERTION( lu_object_assert_exists(&amp;info-&gt;mti_object-&gt;mot_obj) ) failed:" class="issue-link" data-issue-key="LU-3669"><del>LU-3669</del></a></p> Duplicate LU-3730 LU-3792 Related LU-3669 LU-3795 Development Rank 1|hzvxa7: Rank (Obsolete) 9563 Severity