Details
-
Bug
-
Resolution: Duplicate
-
Blocker
-
None
-
None
-
lustre-2.8.2_2.chaos-1.ch6.x86_64
4 MDTs used in DNE-1 fashion (remote dirs, no striped dirs)
RHEL 7.5
-
1
-
9223372036854775807
Description
MDS nodes were power cycled during hardware maintenance. After they came back up, got below (some material redacted, see comments below for full console log contents):
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffffc0cdc392>] fld_local_lookup+0x52/0x270 [fld]
CPU: 17 PID: 180501 Comm: orph_cleanup_ls Kdump: loaded Tainted: P OE ------------ 3.10.0-862.3.2.1chaos.ch6.x86_64 #1
Call Trace:
[<ffffffffc06e8f6c>] ? dmu_tx_hold_object_impl+0x6c/0xc0 [zfs]
[<ffffffffc109ff28>] osd_fld_lookup+0x48/0xd0 [osd_zfs]
[<ffffffffc10a008a>] fid_is_on_ost+0xda/0x2f0 [osd_zfs]
[<ffffffffc10a02e9>] osd_get_name_n_idx+0x49/0xd00 [osd_zfs]
[<ffffffffc109902c>] ? osd_declare_attr_set+0x14c/0x730 [osd_zfs]
[<ffffffffc0753b7e>] ? zap_lookup_by_dnode+0x2e/0x30 [zfs]
[<ffffffffc1097510>] osd_declare_object_destroy+0xe0/0x3e0 [osd_zfs]
[<ffffffffc1139ffe>] lod_sub_object_declare_destroy+0xce/0x2d0 [lod]
[<ffffffffc1129700>] lod_declare_object_destroy+0x170/0x4a0 [lod]
[<ffffffffc1513689>] ? orph_declare_index_delete+0x179/0x460 [mdd]
[<ffffffffc1513f66>] orph_key_test_and_del+0x5f6/0xd30 [mdd]
[<ffffffffc1514c57>] __mdd_orphan_cleanup+0x5b7/0x840 [mdd]
[<ffffffffc15146a0>] ? orph_key_test_and_del+0xd30/0xd30 [mdd]
[<ffffffffbb2c05f1>] kthread+0xd1/0xe0
[<ffffffffbb2c0520>] ? insert_kthread_work+0x40/0x40
[<ffffffffbb9438b7>] ret_from_fork_nospec_begin+0x21/0x21
[<ffffffffbb2c0520>] ? insert_kthread_work+0x40/0x40