geraint0923
commented
11 years ago The undefined syscall is ptrace. After removing the calling of ptrace from source code, this error will gone.
Open tomxice opened 12 years ago
geraint0923
commented
11 years ago The undefined syscall is ptrace. After removing the calling of ptrace from source code, this error will gone.
Description
test_clone.c fails. The father process calls "clone" function and gets pid of its child process. But something goes wrong before father finish "waitpid" function.
Reproduce Steps
cd ~/ucore_plus/ucore ./uCore_test -s bionic -w 15 -t 45 -f src/user-ucore/testspecs/test_clone.testpec
Current Result
From the serial console:
kernel_execve: pid = 4, name = "/bionic-test/test_clone". child pid 5 trapframe at 0x7b64fb0 r00 0x00000000 r01 0x00000000 r02 0x00000000 r03 0x00000000 r04 0x00000000 r05 0x30800750 r06 0x00000000 r07 0x0000001a r08 0x00000000 r09 0x00000000 r10 0x00000000 fp 0x3080cfe4 ip 0x3080903c usr_lr 0x6fe8529c sp 0x3080cfb0 lr 0x6fe81124 spsr 0xa0000050 User trap 0x00000002 Software interrupt err 0x00000000 undefined syscall 0, pid = 5, name = . file->fd:3 kernel panic at fs.c:64: assertion failed: file->status == FD_NONE Welcome to the kernel debug monitor!!
Expected Result
child pid 5 waitpid returned 5 child 5, status 0x137f