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Diffstat (limited to 'results/classifier/qwen3:32b/output/runtime/1527765')
| -rw-r--r-- | results/classifier/qwen3:32b/output/runtime/1527765 | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/output/runtime/1527765 b/results/classifier/qwen3:32b/output/runtime/1527765 new file mode 100644 index 000000000..4fce454c8 --- /dev/null +++ b/results/classifier/qwen3:32b/output/runtime/1527765 @@ -0,0 +1,75 @@ + + + +sh4: ghc randomly segfaults on qemu-sh4-static + +Hello! + +I am currently in the process of bootstrapping ghc for the Debian sh4 port and ran into a strange problem with qemu-sh4-static which randomly segfaults when running ghc to compile a Haskell source: + +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ls +Main.hi Main.hs Setup.hs ghc-pwd.cabal ghc.mk +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +[1 of 1] Compiling Main ( Main.hs, Main.o ) +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +[1 of 1] Compiling Main ( Main.hs, Main.o ) +qemu: uncaught target signal 11 (Segmentation fault) - core dumped +Segmentation fault +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +[1 of 1] Compiling Main ( Main.hs, Main.o ) +Bad interface file: /usr/local/lib/sh4-unknown-linux-gnu-ghc-7.10.3/time/dist-install/build/Data/Time/Format/Parse.hi + ghc: panic! (the 'impossible' happened) + (GHC version 7.10.3 for sh4-unknown-linux): + getSymtabName:unknown known-key unique +<<details unavailable>> + +Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug + +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# ghc Main.hs +/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8) +[1 of 1] Compiling Main ( Main.hs, Main.o ) +Linking Main ... +root@jessie32:~/ghc-7.8.4/utils/ghc-pwd# + +As seen above, compiling a Haskell source code often results in a segfault but simply by retrying to run ghc over and over again, the compile process will eventually succeed and no segfault occurs. + +I have created a tarball which contains the sh4 chroot from the example above which also includes ghc, gcc and the source code in question (in /root/ghc-7.8.4/utils/ghc-pwd). To test, it's probably a good idea to replace the qemu-sh4-static binary in /usr/bin with a current git snapshot (which I tried but didn't help). + +> http://users.physik.fu-berlin.de/~glaubitz/sid-sh4-sbuild-ghc.tgz + +In case anyone wants to try ghc with their own sh4 chroot, here's my version of ghc: + +> https://people.debian.org/~glaubitz/sh4-unknown-linux-gnu-ghc-7.10.3.tar.gz + +Just extract in the chroot of the sh4 chroot. + +Please note, that it might be advisable on sh4 to apply the patches from these two bug reports as otherwise qemu-sh4-static won't work properly on sh4 and misses syscall 186: + +> https://bugs.launchpad.net/ubuntu/+source/qemu-linaro/+bug/1254824 +> https://bugs.launchpad.net/qemu/+bug/1516408 + +The above issue is reproducible with the two patches applied and without. It's also reproducible with both libc6 2.19 and 2.21 in the chroot. Thus, I am currently out of ideas what else to test. + +Cheers, +Adrian \ No newline at end of file |