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Segfault in GC in GHC 8.10.{3,4} (#19417) · Issues · Glasgow Haskell Compiler / GHC · GitLab
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Segfault in GC in GHC 8.10.{3,4}
Summary
A bunch of segfaults:
ghc:w[92225]: segfault at 40df5c48 ip 000000000040b245 sp 00007fe3d97fca90 error 4 in ghc[400000+3715000]
ghc:w[94312]: segfault at 45131c48 ip 000000000040b245 sp 00007f68a2bfda90 error 4 in ghc[400000+3715000]
ghc:w[31098]: segfault at 40106938 ip 000000000040b3b5 sp 00007fc1557fca90 error 4 in ghc[400000+36df000]
ghc:w[42775]: segfault at 408eb9e0 ip 000000000040b3b5 sp 00007f8536bfda90 error 4 in ghc[400000+36df000]
ghc:w[44907]: segfault at 414699e0 ip 000000000040b3b5 sp 00007f01c7ffea90 error 4 in ghc[400000+36df000]
ghc:w[49393]: segfault at 40743808 ip 000000000040b3b5 sp 00007ff38bffea90 error 4 in ghc[400000+36df000]
ghc:w[62845]: segfault at 43c089e0 ip 000000000040b3b5 sp 00007f18aebfda90 error 4 in ghc[400000+36df000]$ addr2line -e .../lib/ghc-8.10.4/bin/ghc 000000000040b3b5
.../rts/sm/Evac.c:686
$ addr2line -e .../lib/ghc-8.10.4/bin/ghc 000000000040b245
.../rts/sm/Evac.c:445On 8.10.3 we've also saw it happen in rts/sm/Evac.c:839
Steps to reproduce
Building ghcide 0.7.3.0 (library):
runhaskell Setup configure \
# ... package db flags
--enable-debug-info \
--disable-library-stripping \
--disable-library-for-ghci \
--ghc-option=-j \
--enable-shared \
--enable-library-profiling \
runhaskell Setup build \
--verbose=2 \
--ghc-option=-Wno-deprecated-flags \
--ghc-option=-haddock \
'--ghc-options=+RTS -A128M -n4m -RTS'The build command fails while building the main library. It does not happen every time. If I remove cabal's --enable-shared (implying GHC's -dynamic-too) it does not happen.
Environment
- GHC version used: 8.10.3 and 8.10.4. GHC is built with
DYNAMIC_GHC_PROGRAMS=NOandGhcStage2HcOpts+=-eventlog.
Optional:
- Operating System: redhat linux
- System Architecture: x86_64
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