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-385 Lustre <p>An MDS of ours hit an assertion in __ldlm_handle2lock(), ASSERTION(handle). Below are the lines that precede the assertion, and the backtrace that appeared on the console (copied by hand). No further information available at this time.</p> <p>LustreError: 8537:0:(ldlm_lock.c:430:__ldlm_handle2lock()) ASSERTION(handle)<br/> failed<br/> LustreError: 8550:0:(mds_open.c:1177:mds_open()) parent 824180809/556408324<br/> lookup/take lock error -13<br/> LustreError: 8541:0:(mds_open.c:1177:mds_open()) parent 824180841/556408354<br/> lookup/take lock error -13<br/> LustreError: 8541:0:(mds_open.c:1177:mds_open()) Skipped 5 previous similar<br/> messages<br/> LustreError: 8537:0:(ldlm_lock.c:430:__ldlm_handle2lock()) LBUG</p> <p>Task 8537 was apparently ll_mdt_12.</p> <p>Backtrace is:</p> <p>__ldlm_handle2lock<br/> ldiskfs_permission<br/> permission<br/> ldlm_lock_decref<br/> mds_verify_child<br/> default_wake_function<br/> __wake_up_common<br/> mds_get_parent_child_locked<br/> ksocknal_queue_tx_locked<br/> mds_open<br/> lustre_msg_bug<br/> mntput_no_expire<br/> mds_reint_rec<br/> mds_update_unpack<br/> mds_reint<br/> fixup_handle_for_resent_req<br/> mds_intent_policy<br/> ldlm_lock_enqueue<br/> ldlm_resource_putref<br/> ldlm_lock_create<br/> lustre_hash_add<br/> ldlm_server_blocking_ast<br/> ldlm_handle_enqueue<br/> mds_handle<br/> smp_send_reschedule<br/> lustre_msg_get_conn_cnt<br/> try_to_wake_up<br/> lustre_msg_get_opc<br/> ptlrpc_server_handle_request<br/> ptlrpc_wait_event<br/> ptlrpc_main</p> CHAOS4.4 (RHEL5), lustre 1.8.5.0-3chaos, <a href="https://github.com/chaos/lustre/tree/1.8.5.0-3chaos">https://github.com/chaos/lustre/tree/1.8.5.0-3chaos</a> LU-385

__ldlm_handle2lock()) ASSERTION(handle)

Bug Major Resolved Fixed Lai Siyao Christopher Morrone Wed, 1 Jun 2011 13:46:03 +0000 Mon, 13 Jun 2011 15:00:36 +0000 Mon, 13 Jun 2011 15:00:36 +0000 0 3 <p>Lai</p> <p>Could you please look into this one?</p> <p>Thanks</p> <p>Peter</p> <p>I think it's just a instance of <a href="https://bugzilla.lustre.org/show_bug.cgi?id=24360" class="external-link" target="_blank" rel="nofollow noopener">https://bugzilla.lustre.org/show_bug.cgi?id=24360</a> and the fix (by Niu) is already in upstream<br/> Liang</p> <p>Hi Chris, could you verify the fix is in your code?</p> <p>Liang, thanks, the backtrace and messages look the same.</p> <p>No we don't have that. We're are using 1.8.5, and that landed in 1.8.6.</p> <p>I'll add that patch to our branch.</p> <p>Let's close this ticket for now and reopen if the issue reoccurs with the patch applied</p> Development Rank 1|hzw0y7: Rank (Obsolete) 10234 Severity