[LU-12006] osd_declare_xattr_del()) ASSERTION( obj->oo_dn != ((void *)0) ) failed

• Type: Bug
• Resolution: Unresolved
• Priority: Major
• Affects Version/s: Lustre 2.13.0
• Severity: 3
• Assignee: WC Triage
• Reporter: Oleg Drokin

Description

I am seeing this periodically in my racer testing

[37232.963090] LustreError: 9188:0:(osd_xattr.c:952:osd_declare_xattr_del()) ASSERTION( obj->oo_dn != ((void *)0) ) failed: 
[37233.002495] LustreError: 9188:0:(osd_xattr.c:952:osd_declare_xattr_del()) LBUG
[37233.010144] Pid: 9188, comm: mdt_out07_002 3.10.0-7.6-debug #1 SMP Wed Nov 7 21:55:08 EST 2018
[37233.013514] Call Trace:
[37233.014747]  [<ffffffffa01fc7dc>] libcfs_call_trace+0x8c/0xc0 [libcfs]
[37233.015701]  [<ffffffffa01fc88c>] lbug_with_loc+0x4c/0xa0 [libcfs]
[37233.017610]  [<ffffffffa092dcb5>] osd_declare_xattr_del+0x345/0x350 [osd_zfs]
[37233.019466]  [<ffffffffa06182a9>] out_xattr_del_add_exec+0xb9/0x1c0 [ptlrpc]
[37233.021503]  [<ffffffffa060d361>] out_xattr_del+0x1c1/0x240 [ptlrpc]
[37233.023076]  [<ffffffffa0612562>] out_handle+0x1512/0x1b50 [ptlrpc]
[37233.029569]  [<ffffffffa06092a5>] tgt_request_handle+0x915/0x1610 [ptlrpc]
[37233.035303]  [<ffffffffa05ae3d9>] ptlrpc_server_handle_request+0x259/0xad0 [ptlrpc]
[37233.060867]  [<ffffffffa05b23bc>] ptlrpc_main+0xb7c/0x22c0 [ptlrpc]
[37233.062385]  [<ffffffff810b4ed4>] kthread+0xe4/0xf0
[37233.101461]  [<ffffffff817c4c77>] ret_from_fork_nospec_end+0x0/0x39
[37233.103797]  [<ffffffffffffffff>] 0xffffffffffffffff
[37233.105160] Kernel panic - not syncing: LBUG