diff options
Diffstat (limited to 'results/classifier/zero-shot-user-mode/output/runtime/1701971')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/output/runtime/1701971 | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/results/classifier/zero-shot-user-mode/output/runtime/1701971 b/results/classifier/zero-shot-user-mode/output/runtime/1701971 deleted file mode 100644 index a15d1335..00000000 --- a/results/classifier/zero-shot-user-mode/output/runtime/1701971 +++ /dev/null @@ -1,51 +0,0 @@ -runtime: 0.428 -instruction: 0.336 -syscall: 0.236 - - - -multithreading not working right under qemu user mode for sh4 - -In a multithreaded program running under qemu-sh4 (version 2.9.0), thread termination and/or pthread_join is not working right. - -The attached program works natively on all kinds of platforms, and under qemu user mode emulation for at least alpha, armelhf, aarch64, powerpc64le. - -How to reproduce: -- Compile the program: sh4-linux-gnu-gcc-5 -O -Wall -lpthread -o test-tls test-tls.c -- Set environment variables for running qemu-sh4. -- ~/inst-qemu/2.9.0/bin/qemu-sh4 test-tls - -Expected behaviour: After the "Worker xxxxx dying" line, the main() function prints "OK", and the program terminates. - -Actual behaviour (only on sh4): After the "Worker xxxxx dying" line, it hangs. Attaching gdb to qemu shows 15 threads with a stack trace like -#0 safe_syscall_base () at /build/qemu-2.9.0/linux-user/host/x86_64/safe-syscall.inc.S:75 -#1 0x00005584f86f4c48 in safe_futex (uaddr=<optimized out>, op=op@entry=128, val=val@entry=2, timeout=<optimized out>, uaddr2=uaddr2@entry=0x0, - val3=val3@entry=-161181992) at /build/qemu-2.9.0/linux-user/syscall.c:921 -#2 0x00005584f870353b in do_futex (val3=-161181992, uaddr2=4134624624, timeout=0, val=<optimized out>, op=<optimized out>, uaddr=<optimized out>) - at /build/qemu-2.9.0/linux-user/syscall.c:7147 -#3 do_syscall (cpu_env=<optimized out>, num=240, arg1=<optimized out>, arg2=<optimized out>, arg3=<optimized out>, arg4=0, arg5=-160342672, - arg6=-161181992, arg7=0, arg8=0) at /build/qemu-2.9.0/linux-user/syscall.c:11692 -#4 0x00005584f86f454a in cpu_loop (env=env@entry=0x5584fb3d04f8) at /build/qemu-2.9.0/linux-user/main.c:2676 -#5 0x00005584f86f5dd5 in clone_func (arg=0x7fff4d485c20) at /build/qemu-2.9.0/linux-user/syscall.c:6234 -#6 0x00007f08f05a46ba in start_thread (arg=0x7f08f1368700) at pthread_create.c:333 -#7 0x00007f08f02da3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 - -and 1 thread with a stack trace like -#0 safe_syscall_base () at /build/qemu-2.9.0/linux-user/host/x86_64/safe-syscall.inc.S:75 -#1 0x00005584f86f4c48 in safe_futex (uaddr=<optimized out>, op=op@entry=0, val=val@entry=18875, timeout=<optimized out>, uaddr2=uaddr2@entry=0x0, - val3=val3@entry=-161180376) at /build/qemu-2.9.0/linux-user/syscall.c:921 -#2 0x00005584f870353b in do_futex (val3=-161180376, uaddr2=4135101768, timeout=0, val=<optimized out>, op=<optimized out>, uaddr=<optimized out>) - at /build/qemu-2.9.0/linux-user/syscall.c:7147 -#3 do_syscall (cpu_env=<optimized out>, num=240, arg1=<optimized out>, arg2=<optimized out>, arg3=<optimized out>, arg4=0, arg5=-159865528, - arg6=-161180376, arg7=0, arg8=0) at /build/qemu-2.9.0/linux-user/syscall.c:11692 -#4 0x00005584f86f454a in cpu_loop (env=0x5584fb3b99a8) at /build/qemu-2.9.0/linux-user/main.c:2676 -#5 0x00005584f86c12d3 in main (argc=<optimized out>, argv=0x7fff4d4878b8, envp=<optimized out>) - at /build/qemu-2.9.0/linux-user/main.c:4860 - -and 1 thread with a stack trace like -#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 -#1 0x00005584f876eab5 in qemu_futex_wait (val=<optimized out>, f=<optimized out>) at /build/qemu-2.9.0/include/qemu/futex.h:26 -#2 qemu_event_wait (ev=ev@entry=0x5584faa43d84 <rcu_call_ready_event>) at /build/qemu-2.9.0/util/qemu-thread-posix.c:399 -#3 0x00005584f87748ce in call_rcu_thread (opaque=<optimized out>) at /build/qemu-2.9.0/util/rcu.c:249 -#4 0x00007f08f05a46ba in start_thread (arg=0x7f08eff62700) at pthread_create.c:333 -#5 0x00007f08f02da3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 \ No newline at end of file |