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-8766 Lustre <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[82488.026431] Lustre: Echo OBD driver; http://www.lustre.org/ [82505.984937] BUG: unable to handle kernel paging request at 00000000000c0000 [82505.984993] IP: [&lt;ffffffff811c0ea5&gt;] kmem_cache_alloc+0x75/0x1d0 [82505.985041] PGD 0 [82505.985058] Oops: 0000 [#1] SMP [82505.985810] CPU: 4 PID: 7181 Comm: txg_sync Tainted: P OE ------------ 3.10.0-327.el7.x86_64 #1 [82505.985871] Hardware name: FOXCONN AGLAIA/02010HE02600G, BIOS 4.6.3 05/06/2011 [82505.985916] task: ffff883f52a74500 ti: ffff883f5206c000 task.ti: ffff883f5206c000 [82505.985963] RIP: 0010:[&lt;ffffffff811c0ea5&gt;] [&lt;ffffffff811c0ea5&gt;] kmem_cache_alloc+0x75/0x1d0 [82505.986677] Call Trace: [82505.986711] [&lt;ffffffffa000b939&gt;] ? spl_kmem_cache_alloc+0x99/0x150 [spl] [82505.986763] [&lt;ffffffffa000b939&gt;] spl_kmem_cache_alloc+0x99/0x150 [spl] [82505.986864] [&lt;ffffffffa0169bd7&gt;] zio_buf_alloc+0x57/0x60 [zfs] [82505.986946] [&lt;ffffffffa016d81c&gt;] zio_write_phys+0x9c/0xd0 [zfs] [82505.987028] [&lt;ffffffffa012b100&gt;] ? vdev_file_open+0x50/0x50 [zfs] [82505.988999] [&lt;ffffffffa012b22f&gt;] vdev_label_write+0x6f/0x80 [zfs] [82505.990964] [&lt;ffffffffa012b100&gt;] ? vdev_file_open+0x50/0x50 [zfs] [82505.992925] [&lt;ffffffffa012b4be&gt;] vdev_uberblock_sync+0x15e/0x1f0 [zfs] [82505.994891] [&lt;ffffffffa012b100&gt;] ? vdev_file_open+0x50/0x50 [zfs] [82505.996816] [&lt;ffffffffa012b3ac&gt;] vdev_uberblock_sync+0x4c/0x1f0 [zfs] [82505.998703] [&lt;ffffffffa012ce75&gt;] vdev_uberblock_sync_list+0x85/0x120 [zfs] [82506.000546] [&lt;ffffffffa012d19f&gt;] vdev_config_sync+0x11f/0x140 [zfs] [82506.002348] [&lt;ffffffffa011072c&gt;] spa_sync+0x91c/0xb70 [zfs] [82506.004062] [&lt;ffffffff810a6b0b&gt;] ? autoremove_wake_function+0x2b/0x40 [82506.005798] [&lt;ffffffffa01228ac&gt;] txg_sync_thread+0x3cc/0x640 [zfs] [82506.007487] [&lt;ffffffffa01224e0&gt;] ? txg_fini+0x2a0/0x2a0 [zfs] [82506.009122] [&lt;ffffffffa000c861&gt;] thread_generic_wrapper+0x71/0x80 [spl] [82506.010752] [&lt;ffffffffa000c7f0&gt;] ? __thread_exit+0x20/0x20 [spl] [82506.012366] [&lt;ffffffff810a5aef&gt;] kthread+0xcf/0xe0 [82506.013982] [&lt;ffffffff810a5a20&gt;] ? kthread_create_on_node+0x140/0x140 [82506.015575] [&lt;ffffffff81645858&gt;] ret_from_fork+0x58/0x90 [82506.017122] [&lt;ffffffff810a5a20&gt;] ? kthread_create_on_node+0x140/0x140 [82506.018632] Code: ce 00 00 49 8b 50 08 4d 8b 20 49 8b 40 10 4d 85 e4 0f 84 1f 01 00 00 48 85 c0 0f 84 16 01 00 00 49 63 46 20 48 8d 4a 01 4d 8b 06 &lt;49&gt; 8b 1c 04 4c 89 e0 65 49 0f c7 08 0f 94 c0 84 c0 74 b9 49 63 [82506.021768] RIP [&lt;ffffffff811c0ea5&gt;] kmem_cache_alloc+0x75/0x1d0 </pre> </div></div> Centos7.2 3.10.0-327.el7.x86_64<br/> Lustre 2.8.59_62_g165c308 + zfs0.6.5.7 LU-8766

The obdfilter-survey make the kernel panic

Bug Minor Resolved Duplicate Peter Jones sebg-crd-pm Thu, 27 Oct 2016 11:31:51 +0000 Mon, 31 Oct 2016 12:34:35 +0000 Mon, 31 Oct 2016 12:34:09 +0000 Lustre 2.9.0 0 3 <p>Environment <br/> Centos7.2<br/> Lustre 2.8.59_62_g165c308 + zfs0.6.5.7</p> <p>Run command<br/> targets="obdtest-OST0000" nobjlo=1 nobjhi=512 thrlo=1 thrhi=512 size=1024 rszlo=1024 rszhi=1024 tests_str="write read" case=disk ./obdfilter-survey</p> <p>the attached file is the log of kernel panic</p> <p>PS:Lustre 2.8.0 + zfs 0.6.5.7 is ok</p> <p>We have found a similar issue recently and have a patch. Could you please try the patch <a href="http://review.whamcloud.com/23323" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23323</a></p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>LU-8748 osd-zfs: set block size of echo object Set block size for zfs echo object. Signed-off-by: Niu Yawei &lt;yawei.niu@intel.com&gt; Change-Id: I6efab645181ab3de6686bf82f4ecbf9ea3384b1b </pre> </div></div> <p>If that does not fix the problem, would you be able to do a <tt>git bisect</tt> between 2.8.0 and commit 165c308 to see which patch introduced the problem?</p> <p>yes, it's ok in 2.8.59_78_g7d4106c</p> <p>ok thanks. The fix for <a href="https://jira.whamcloud.com/browse/LU-8748" title="set block size for zfs echo object" class="issue-link" data-issue-key="LU-8748"><del>LU-8748</del></a> has been landed to master for 2.9</p> Duplicate LU-8748 Related LU-8748 Development Epic/Theme zfs Rank 1|hzytjr: Rank (Obsolete) 9223372036854775807 Severity