[LU-5071] statahead.c:1704:do_statahead_enter()) ASSERTION( lli->u.d.d_sai == ((void *)0) ) failed:

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Affects Version/s: Lustre 2.5.1
• Severity: 2
• Assignee: Zhenyu Xu
• Reporter: Rajeshwaran Ganesan

Description

Hello,

We are seeing following error message on Lustre 2.5.1 clients, and it makes the system not responsive. multiple clients were affected with this issue.

System Details: Lustre 2.5.1 / RHEL 6.5

Here are the node names, time stamps and one according message:
May 4 11:03:28 uc1n055 kernel: LustreError: 1979:0:(statahead.c:1704:do_statahead_enter()) ASSERTION( lli->u.d.d_sai == ((void *)0) ) failed:
May 4 18:15:43 uc1n468 kernel: LustreError: 42888:0:(statahead.c:1704:do_statahead_enter()) ASSERTION( lli->u.d.d_sai == ((void *)0) ) failed:
May 4 18:54:19 uc1n059 kernel: LustreError: 111650:0:(lovsub_lock.c:103:lovsub_lock_state()) ASSERTION( cl_lock_is_mutexed(slice->cls_lock) ) failed:
May 9 09:21:08 uc1n129 kernel: LustreError: 93767:0:(statahead.c:1704:do_statahead_enter()) LBUG
May 10 09:28:14 uc1n996 kernel: LustreError: 7387:0:(osc_lock.c:1224:osc_lock_wait()) LBUG
May 15 07:50:57 uc1n198 kernel: LustreError: 25007:0:(statahead.c:1704:do_statahead_enter()) ASSERTION( lli->u.d.d_sai == ((void *)0) ) failed:

Issue Links

• is related to: LU-3498 most uses of IS_ERR_VALUE() are incorrect
• is related to: LU-5274 ll_statahead_thread() may leak parent, uses parent after dput
• is related to: LU-4558 Crash in cl_lock_put on racer