[LU-2867] 2.1.4<->2.4.0 interop: parallel-scale test_compilebench: IOError: [Errno 71] Protocol error

• Type: Bug
• Resolution: Duplicate
• Priority: Blocker
• Affects Version/s: Lustre 2.4.0, Lustre 2.1.4
• Labels: HB

Environment

Lustre b2_1 client build: http://build.whamcloud.com/job/lustre-b2_1/176
Lustre master server build: http://build.whamcloud.com/job/lustre-master/1269
Distro/Arch: RHEL6.3/x86_64

• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: Jian Yu

Description

The parallel-scale test compilebench failed as follows:

IOError: [Errno 71] Protocol error
 parallel-scale test_compilebench: @@@@@@ FAIL: compilebench failed: 1 

Console log on the client node client-19vm1 showed that:

16:48:59:Lustre: DEBUG MARKER: ./compilebench -D /mnt/lustre/d0.compilebench -i 2 -r 2 --makej
16:54:22:LustreError: 23937:0:(pack_generic.c:413:lustre_msg_buf_v2()) msg ffff880042c05cc0 buffer[2] size 0 too small (required 40, opc=101)
16:54:22:LustreError: 23937:0:(layout.c:1659:__req_capsule_get()) @@@ Wrong buffer for field `dlm_lvb' (2 of 3) in format `LDLM_ENQUEUE_LVB': 0 vs. 40 (server)
16:54:22:  req@ffff880042c05800 x1427708753202028/t0(0) o101->lustre-OST0001-osc-ffff880075eeb000@10.10.2.223@tcp:28/4 lens 296/312 e 0 to 0 dl 1361581007 ref 1 fl Interpret:R/0/0 rc 0/0
16:54:22:LustreError: 23937:0:(pack_generic.c:413:lustre_msg_buf_v2()) msg ffff880042c05cc0 buffer[2] size 0 too small (required 40, opc=101)
16:54:22:LustreError: 23937:0:(pack_generic.c:413:lustre_msg_buf_v2()) Skipped 1 previous similar message
16:54:22:LustreError: 23937:0:(layout.c:1659:__req_capsule_get()) @@@ Wrong buffer for field `dlm_lvb' (2 of 3) in format `LDLM_ENQUEUE_LVB': 0 vs. 40 (server)
16:54:22:  req@ffff880042c05800 x1427708753202030/t0(0) o101->lustre-OST0001-osc-ffff880075eeb000@10.10.2.223@tcp:28/4 lens 296/312 e 0 to 0 dl 1361581023 ref 1 fl Interpret:R/0/0 rc 0/0
16:54:22:LustreError: 23937:0:(layout.c:1659:__req_capsule_get()) Skipped 1 previous similar message
16:54:22:Lustre: DEBUG MARKER: /usr/sbin/lctl mark  parallel-scale test_compilebench: @@@@@@ FAIL: compilebench failed: 1

Maloo report: https://maloo.whamcloud.com/test_sets/2bef1a90-7d79-11e2-85d0-52540035b04c

Issue Links

• duplicates: LU-2790 Failure to allocated osd keys leads to ofd_intent_policy()) ASSERTION( res_lvb != ((void *)0) ) failed