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-5527 Lustre <p>A compilebench run on Lola, where we inject 0.1% message drops between clients and servers, hung like this:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Aug 20 20:29:41 lola-24 kernel: python S 0000000000000001 0 53350 53330 0x00000080 Aug 20 20:29:41 lola-24 kernel: ffff8807c033dbd8 0000000000000082 0000000000000000 ffff8807b52a4a98 Aug 20 20:29:41 lola-24 kernel: ffff8807c033db78 ffffffffa0af7f8f ffff8807c033db78 ffff8807ef4d7cf8 Aug 20 20:29:41 lola-24 kernel: ffff880804e15098 ffff8807c033dfd8 000000000000fbc8 ffff880804e15098 Aug 20 20:29:41 lola-24 kernel: Call Trace: Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa0af7f8f&gt;] ? lov_sublock_unlock+0x5f/0x140 [lov] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa05ed643&gt;] cl_lock_state_wait+0x1d3/0x320 [obdclass] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffff81061d00&gt;] ? default_wake_function+0x0/0x20 Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa05ede0b&gt;] cl_enqueue_locked+0x15b/0x1f0 [obdclass] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa05ee97e&gt;] cl_lock_request+0x7e/0x270 [obdclass] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa05f3934&gt;] cl_io_lock+0x3c4/0x560 [obdclass] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa05f3b72&gt;] cl_io_loop+0xa2/0x1b0 [obdclass] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa0b7e1c2&gt;] ll_file_io_generic+0x412/0x8f0 [lustre] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa05e3ca9&gt;] ? cl_env_get+0x29/0x350 [obdclass] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa0b7eee3&gt;] ll_file_aio_write+0x133/0x2b0 [lustre] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffffa0b7f1b9&gt;] ll_file_write+0x159/0x290 [lustre] Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffff811892e8&gt;] vfs_write+0xb8/0x1a0 Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffff81189cb1&gt;] sys_write+0x51/0x90 Aug 20 20:29:41 lola-24 kernel: [&lt;ffffffff8100b072&gt;] system_call_fastpath+0x16/0x1b </pre> </div></div> <p>Attachment compilebench_hang-lola-24.log contains the complete stack dump. This is likely to be difficult to reproduce.</p> LU-5527

compilebench hung in cl_lock_state_wait() when writing

Bug Minor Closed Fixed WC Triage Li Wei Thu, 21 Aug 2014 06:51:56 +0000 Mon, 27 Apr 2015 20:48:02 +0000 Mon, 27 Apr 2015 20:48:02 +0000 Lustre 2.7.0 0 4 <p>Not seen for a while.</p> Development Rank 1|hzwu7j: Rank (Obsolete) 15385 Severity