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-789 Lustre <p>There is a hack in the dm code where we allocate an extra bi_io_vec to store additional private data. This hack combines with our blkdev tunable patch which adopt MAX_HW_SEGMENTS to 256 will cause bio_alloc_bioset() returns NULL bio, NULL pointer reference ensues.</p> <p>We need include 2.6.32 upstream patch for the issue (linux kernel commit f1e539874655ae9e74c1644fd54133b19f1b14e2) into blkdev_tunable kernel patch for pre-2.6.32 kernel support release.</p> before 2.6.32 linux kernel LU-789

bz24546: After upgrade of Lustre from 1.8.2 to 1.8.5 (RHEL 5.4 to 5.5) OST are randomly crashing.

Bug Minor Resolved Won't Fix Zhenyu Xu Zhenyu Xu Mon, 24 Oct 2011 23:24:57 +0000 Wed, 26 Oct 2011 12:29:11 +0000 Wed, 26 Oct 2011 12:29:11 +0000 Lustre 1.8.6 0 1 <p>patch tracking at <a href="http://review.whamcloud.com/1587" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/1587</a></p> <p>linux-2.6.18-274.3.1.el5 kernel already contains the bio size limitation, we don't need this patch.</p> <p>1.8.7 supports linux-2.6.18-274.3.1.el5 kernel, and it has already contained the bio size limitation.</p> Bugzilla ID 24546.0 Development Rank 1|hzvhtj: Rank (Obsolete) 6536 Severity