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Diffstat (limited to 'results/classifier/118/none/1862986')
| -rw-r--r-- | results/classifier/118/none/1862986 | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/results/classifier/118/none/1862986 b/results/classifier/118/none/1862986 new file mode 100644 index 000000000..e42f1d4de --- /dev/null +++ b/results/classifier/118/none/1862986 @@ -0,0 +1,172 @@ +register: 0.523 +user-level: 0.489 +mistranslation: 0.481 +graphic: 0.420 +device: 0.412 +permissions: 0.404 +debug: 0.359 +semantic: 0.359 +assembly: 0.339 +architecture: 0.337 +risc-v: 0.326 +files: 0.318 +PID: 0.309 +arm: 0.299 +network: 0.281 +performance: 0.278 +KVM: 0.268 +kernel: 0.262 +TCG: 0.261 +virtual: 0.257 +socket: 0.248 +boot: 0.211 +ppc: 0.211 +peripherals: 0.208 +vnc: 0.182 +hypervisor: 0.181 +VMM: 0.169 +x86: 0.169 +i386: 0.147 + +qemu-s390x segfaults + +All tested versions (2.11 and 4.2) qemu-s390x crashes with a segfault when run on an aarch64 odroid Ubuntu. + +Steps to reproduce: + +root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x "/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig" +Segmentation fault (core dumped) +root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-s390x --version +qemu-s390x version 4.2.0 +Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers +root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x "/root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig" +Segmentation fault (core dumped) +root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-s390x --version +qemu-s390x version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.22) +Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers + + +qemu-arm does work on the same machine: + +root@odroid:~/workspace/bitcoin-core# /usr/bin/qemu-arm bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests +Running 4 test cases... + +*** No errors detected +root@odroid:~/workspace/bitcoin-core# /usr/local/bin/qemu-arm bitcoin-0.19.0.1-armhf/bin/test_bitcoin -t amount_tests +Running 4 test cases... + +*** No errors detected + + +What kind of debug information would be helpful for this issue report? + + +GDB for the self-compiled latest release is not particularly helpful: + +(gdb) run +Starting program: /usr/local/bin/qemu-s390x /root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig +[Thread debugging using libthread_db enabled] +Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1". +[New Thread 0x7fb7a2a140 (LWP 28264)] + +Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault. +0x000000555596b218 in __bss_start__ () +(gdb) bt +#0 0x000000555596b218 in __bss_start__ () +#1 0x00000055556120a8 in ?? () +#2 0x00000055579904b0 in ?? () +Backtrace stopped: previous frame inner to this frame (corrupt stack?) + +A bit more information is available in the version shipped by Ubuntu: + +(gdb) run +Starting program: /usr/bin/qemu-s390x /root/workspace/bitcoin-core/build/bitcoin-s390x-linux-gnu/src/test/test_bitcoin_orig +[Thread debugging using libthread_db enabled] +Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1". +[New Thread 0x7fb7a01180 (LWP 28271)] + +Thread 1 "qemu-s390x" received signal SIGSEGV, Segmentation fault. +0x0000005555738f98 in code_gen_buffer () +(gdb) bt +#0 0x0000005555738f98 in code_gen_buffer () +#1 0x00000055555e96c8 in cpu_exec () +#2 0x00000055555ee430 in cpu_loop () +#3 0x00000055555c3328 in main () + +You need to provide the test binary. + +I can run a chroot of s390x ubuntu bionic on aarch64 just fine, +so it must be something specific to your test. + + + +Thanks for taking a look. With the binary I posted, the steps to reproduce are: + +dpkg --add-architecture s390x && apt update && apt install qemu-user wget libc6:s390x libstdc++6:s390x libfontconfig1:s390x libxcb1:s390x -y && wget https://bugs.launchpad.net/qemu/+bug/1862986/+attachment/5331331/+files/test_bitcoin_orig && sha256sum ./test_bitcoin_orig && chmod +x test_bitcoin_orig + +The hash of the file is 193758e2041d49fe90722927ba6b5371506831caf733ee2fe61ef7d61cc894f7 and qemu-user crashes for me: + +$ qemu-s390x ./test_bitcoin_orig +Segmentation fault (core dumped) + + + + +I can also reproduce this in a debian:sid docker container on x86_64, so this might not be related to the host CPU architecture + +Could it be related to https://bugs.launchpad.net/qemu/+bug/1860920 ? + +Could you try latest QEMU source (including "target/s390x/translate: Fix RNSBG instruction")? + +[Expired for QEMU because there has been no activity for 60 days.] + +This still happens on qemu 5.0 + +Steps to reproduce: + +# install packages +dpkg --add-architecture s390x +apt update +apt install qemu-user libc6:s390x libstdc++6:s390x libfontconfig1:s390x libxcb1:s390x +apt install g++-s390x-linux-gnu + +# create dummy binary +echo 'int main(){}'| s390x-linux-gnu-g++ -x c++ - + +# run dummy binary +qemu-s390x ./a.out +Segmentation fault (core dumped) + +The QEMU project is currently moving its bug tracking to another system. +For this we need to know which bugs are still valid and which could be +closed already. Thus we are setting the bug state to "Incomplete" now. + +If the bug has already been fixed in the latest upstream version of QEMU, +then please close this ticket as "Fix released". + +If it is not fixed yet and you think that this bug report here is still +valid, then you have two options: + +1) If you already have an account on gitlab.com, please open a new ticket +for this problem in our new tracker here: + + https://gitlab.com/qemu-project/qemu/-/issues + +and then close this ticket here on Launchpad (or let it expire auto- +matically after 60 days). Please mention the URL of this bug ticket on +Launchpad in the new ticket on GitLab. + +2) If you don't have an account on gitlab.com and don't intend to get +one, but still would like to keep this ticket opened, then please switch +the state back to "New" or "Confirmed" within the next 60 days (other- +wise it will get closed as "Expired"). We will then eventually migrate +the ticket automatically to the new system (but you won't be the reporter +of the bug in the new system and thus you won't get notified on changes +anymore). + +Thank you and sorry for the inconvenience. + + +Fixed in qemu-s390x version 5.2.0 (Debian 1:5.2+dfsg-10) + + |