[LU-4249] exception RIP: lqe64_hash_keycmp+12

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.5.3
• Affects Version/s: Lustre 2.4.0
• Environment: our source tree is at https://github.com/jlan/lustre-nas; Server running 2.4.0-4nasS
• Severity: 3
• Assignee: Niu Yawei (Inactive)
• Reporter: Mahmoud Hanafi

Description

OSS crashed with Projection Fault at lqe64_hash_keycmp

See attached files.
Looks like we are crashing here

libcfs/libcfs/hash.c
static cfs_hlist_node_t *
cfs_hash_bd_lookup_intent(cfs_hash_t *hs, cfs_hash_bd_t *bd,
.
.
.
cfs_hlist_for_each(ehnode, hhead) { <<<<<<<< CRASH
if (!cfs_hash_keycmp(hs, key, ehnode))
continue;

cfs_hlist_for_each defined as hlist_for_each but hlist_for_each doesn't seem to be defined any where.

See attached backtrace info.

Issue Links

• is duplicated by: LU-4807 repeating DQACQ failed with -37
• is related to: LU-4633 exception RIP: qsd_entry_iter_cb+29