This is also an result I have been seeing for some time, e.g., Automated smoke report for branch blead 5.21.5 patch 2a2626d8512fc09c6ef077095e4e075978a5c2df v5.21.4-233-g2a2626d lp02: PPC_POWER7 (PPC/2 cpus) on AIX 5.3.0.0/TL12-05/64 using cc -q64 version 11.1.0.19 (*1) using cc -q32 version 11.1.0.19 (*2) smoketime 10 hours 57 minutes (average 54 minutes 47 seconds) Summary: FAIL(X) O = OK F = Failure(s), extended report at the bottom X = Failure(s) under TEST but not under harness ? = still running or test results not (yet) available Build failures during: - = unknown or N/A c = Configure, m = make, M = make (after miniperl), t = make test-prep v5.21.4-233-g2a2626d ---------------------- ---------------------------------------------------- O O O O -Duse64bitall -Duseithreads (*1) O O O O -Duse64bitall -Duselongdouble (*1) O O O O -Duse64bitall (*1) - - - - -Duse64bitint -Duseithreads (*1) - - - - -Duse64bitint -Duselongdouble (*1) - - - - -Duse64bitint (*1) - - - - -Duse64bitall -Duseithreads (*2) - - - - -Duse64bitall -Duselongdouble (*2) - - - - -Duse64bitall (*2) O O X X -Duse64bitint -Duseithreads (*2) O O O O -Duse64bitint -Duselongdouble (*2) O O O O -Duse64bitint (*2) | | | | | | | +------------ perlio DEBUGGING | | +--------------- stdio DEBUGGING | +------------------ perlio +--------------------- stdio Applied patches: Add LocalPort => 0 (/data/smoker/patches/02local-server-v4.t.patch) Add LocalPort => 0 (/data/smoker/patches/03local-cross-v4.t.patch) Add LocalPort => 0 (/data/smoker/patches/05local-server-v6.t.patch) Add LocalPort => 0 (/data/smoker/patches/06local-cross-v6.t.patch) SMOKE2a2626d8512fc09c6ef077095e4e075978a5c2df And in the Log panic: free from wrong pool, 30000a78!=300d0a78. dist/IO/t/cachepropagate-unix ................................. FAILED--non-zero wait status: 65280 Extending failures with harness: ../t/dist/IO/t/cachepropagate-unix.t Can't read ../t/dist/IO/t/cachepropagate-unix.t. Inconsistent test results (between TEST and harness): ../t/dist/IO/t/cachepropagate-unix.t.... ................................. FAILED--non-zero wait status: 65280 Seems unusual - and this is just a FYI. p.s. I am assuming the panic: is from the test - rather than from the make.Thread Next