[LU-10545] upcall_cache_get_entry() acquire for key 0: error -110

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Qian Yingjin (Inactive)

Description

For the latest master branch,
run the command:

 touch /mnt/lustre/test,

it will block a long time (about 30s),
the following is the dmesg output:

[ 5983.050211] Lustre: Mounted lustre-client
[ 6014.132794] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[ 6014.483502] Lustre: DEBUG MARKER: Using TIMEOUT=20
[ 6086.636028] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[ 6116.636657] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[ 6146.636936] LustreError: 66151:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[ 9247.168333] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[ 9281.830455] LustreError: 66149:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[ 9311.832288] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[13798.149264] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[13828.152255] LustreError: 66149:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[13923.387394] LustreError: 66145:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[13953.389460] LustreError: 66149:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110
[13983.392343] LustreError: 66153:0:(upcall_cache.c:233:upcall_cache_get_entry()) acquire for key 0: error -110

Issue Links

• duplicates: LU-10514 all metadata operations take 1+ minutes thanks to libtool's l_getidentity