#14096: Residency profiling with eventlog enabled breaks -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.2.1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- The RTS panics when a program compiled with `-eventlog` is run with `+RTS -l -h`, {{{ trec-car-graph-expansion: internal error: getHeapProfBreakdown: unknown heap profiling mode Stack trace: 0x2122e2f set_initial_registers (rts/Libdw.c:288.0) 0x7f98bbdfb8b8 dwfl_thread_getframes (/usr/lib/x86_64 -linux-gnu/libdw-0.168.so) 0x7f98bbdfb347 (null) (/usr/lib/x86_64-linux- gnu/libdw-0.168.so) 0x7f98bbdfb673 dwfl_getthreads (/usr/lib/x86_64-linux- gnu/libdw-0.168.so) 0x7f98bbdfbc30 dwfl_getthread_frames (/usr/lib/x86_64 -linux-gnu/libdw-0.168.so) 0x212342d libdwGetBacktrace (rts/Libdw.c:259.0) 0x2127aab rtsFatalInternalErrorFn (rts/RtsMessages.c:169.0) 0x2127c6d barf (rts/RtsMessages.c:47.0) 0x2136824 postHeapProfBegin (rts/eventlog/EventLog.c:1147.0) 0x21443bb initHeapProfiling.part.5 (rts/ProfHeap.c:464.0) 0x211cc16 hs_init_ghc (rts/RtsStartup.c:268.0) 0x2128bb3 hs_main (rts/RtsMain.c:63.0) 0x4cfc8d (null) (/home/ben/trec-car/mediawiki- annotate/dist-newstyle/build/x86_64-linux/ghc-8.2.1/trec-car-graph- expansion-0.1.0.0/c/trec-car-graph-expansion/bu ild/trec-car-graph-expansion/trec-car-graph-expansion) 0x7f98bba4a2b1 __libc_start_main (../csu/libc- start.c:325.0) 0x40ba1a _start (/home/ben/trec-car/mediawiki- annotate/dist-newstyle/build/x86_64-linux/ghc-8.2.1/trec-car-graph- expansion-0.1.0.0/c/trec-car-graph-expansion/bu ild/trec-car-graph-expansion/trec-car-graph-expansion) (GHC version 8.2.1 for x86_64_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14096 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler