Symptom
Dispatcher shows Yellow status, SM51 instance switch is not working, job failure, etc. Following trace entries can be observed:
- In dev_disp:
*** ERROR => DpCaBuf2Blk: locqueue overflow (dp_loc_queue_max_blk = 40000) [dpxxdisp.c
*** ERROR => DpCaAlloc failed: -1 [dpxxdisp.c]
***LOG Q03=> DpRqDataToWpBlk, Dp2LockWpBlk () [dpxxdisp.c ]
***LOG Q0G=> DpRqBadHandle, bad_req (NOWP) [dpxxdisp.c ]
*** ERROR => DpRqBadHandle: BAD REQUEST - Reason: DpRqDataToWpBlk failed (line xxx): [dpxxdisp.c] - In dev_rd:
get_free_ca_blk: no free blk found
DpLockAppcBlk: no free APPC ca_blk found - In dev_w*:
M ***LOG R36=> ThLockAppcBlk, DpLockAppcBlk (APPC) [thxxhead.c]
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Environment
Systems running with Kernel < 7.4x
Product
SAP ERP 6.0
Keywords
"locqueue overflow", "no free blk found", rdisp/wp_ca_blk_no, rdisp/appc_ca_blk_no , KBA , BC-CST-DP , Dispatcher, Task Handler , Problem
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