[LU-9469] conf-sanity test_61: test failed to respond and timed out

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.2
• Affects Version/s: Lustre 2.10.0
• Environment: onyx-37, full; servers: SLES12.2, master branch, v2.9.56.11, b3565, ldiskfs; clients: SLES12.2, master branch, v2.9.56.11, b3565
• Severity: 3
• Assignee: Bob Glossman (Inactive)
• Reporter: James Casper (Inactive)

Description

https://testing.hpdd.intel.com/test_sessions/b7669e10-d1f4-42ce-a573-31dd57859317

From MDS console:

BUG: unable to handle kernel NULL pointer dereference at           (null)
Oops: 0000 [#1] SMP

Followed by a trace that is very similar to the one seen in LU-6821:

[<ffffffffa0764214>] ldiskfs_map_blocks+0x554/0x600 [ldiskfs]
21:19:41:[23773.866330]  [<ffffffffa074aa81>] ldiskfs_xattr_set_entry+0x4a1/0x790 [ldiskfs]
21:19:41:[23773.866330]  [<ffffffffa074b970>] ldiskfs_xattr_ibody_set+0x30/0x80 [ldiskfs]
21:19:41:[23773.866330]  [<ffffffffa074bd55>] ldiskfs_xattr_set_handle+0x1c5/0x530 [ldiskfs]
21:19:41:[23773.866330]  [<ffffffffa074c1fd>] ldiskfs_xattr_set+0x13d/0x1a0 [ldiskfs]
21:19:41:[23773.866330]  [<ffffffff8121e4bb>] generic_setxattr+0x5b/0x70
21:19:41:[23773.866330]  [<ffffffffa0e6bfd4>] osd_xattr_set+0x294/0xaf0 [osd_ldiskfs]
21:19:41:[23773.866330]  [<ffffffffa109bf2f>] lod_sub_object_xattr_set+0x1df/0x430 [lod]
21:19:41:[23773.866330]  [<ffffffffa108372f>] lod_xattr_set_internal+0xaf/0x2a0 [lod]
21:19:41:[23773.866330]  [<ffffffffa1091574>] lod_xattr_set+0xe4/0x530 [lod]
21:19:41:[23773.866330]  [<ffffffffa110277d>] mdd_xattr_set+0x6cd/0xe50 [mdd]
21:19:41:[23773.866330]  [<ffffffffa0fbac30>] mdt_reint_setxattr+0x410/0xf60 [mdt]
21:19:41:[23773.866330]  [<ffffffffa0fb967e>] mdt_reint_rec+0x6e/0x1e0 [mdt]
21:19:41:[23773.866330]  [<ffffffffa0f9d087>] mdt_reint_internal+0x557/0x950 [mdt]
21:19:41:[23773.866330]  [<ffffffffa0fa8051>] mdt_reint+0x61/0x120 [mdt]
21:19:41:[23773.866330]  [<ffffffffa0bd1cb8>] tgt_request_handle+0x8b8/0x1290 [ptlrpc]
21:19:41:[23773.866330]  [<ffffffffa0b7e573>] ptlrpc_server_handle_request+0x203/0xa00 [ptlrpc]
21:19:41:[23773.866330]  [<ffffffffa0b82398>] ptlrpc_main+0xa38/0x1d80 [ptlrpc]
21:19:41:[23773.866330]  [<ffffffff810999dd>] kthread+0xbd/0xe0
21:19:41:[23773.866330]  [<ffffffff815e6f3f>] ret_from_fork+0x3f/0x70

Issue Links

• is blocked by: LU-9908 conf-sanity test_41b: test failed to respond and timed out
• is related to: LU-9146 Backport patches from upstream to resolve deadlock in xattr