[LU-4436] sanity-scrub test_1c: cannot start thread 'll_ost_io00_000': rc -2752

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Major
• Affects Version/s: Lustre 2.5.0

Environment

Lustre Build: http://build.whamcloud.com/job/lustre-b2_5/5/
Lustre Client: CentOS 6.5/x86_64 (kernel version: 2.6.32-431.1.2.0.1.el6)
Lustre Server: CentOS 6.4/x86_64 (kernel version: 2.6.32-358.18.1.el6)

• Severity: 3
• Assignee: WC Triage
• Reporter: Jian Yu

Description

sanity-scrub test 1c hung as follows:

CMD: wtm-69 mkdir -p /mnt/ost1; mount -t lustre   		                   /dev/sdb5 /mnt/ost1

Console log on OSS wtm-69 showed that:

Lustre: DEBUG MARKER: mkdir -p /mnt/ost1; mount -t lustre   		                   /dev/sdb5 /mnt/ost1
LDISKFS-fs (sdb5): mounted filesystem with ordered data mode. quota=on. Opts: 
LDISKFS-fs (sdb5): mounted filesystem with ordered data mode. quota=on. Opts: 
LustreError: 61086:0:(service.c:2864:ptlrpc_start_thread()) cannot start thread 'll_ost_io00_000': rc -2752
LustreError: 61086:0:(service.c:2783:ptlrpc_start_threads()) cannot start ll_ost_io thread #0_0: rc -2752