Then the patch is?
2014-02-14 15:48 GMT+08:00 Alex Hornung <[email protected]>: > In the relevant CALL_MMAP in src/lj_alloc.c, luajit tries to mmap at a > specific address (MMAP_REGION_START). It then checks whether the address > returned by mmap() is between MMAP_REGION_START and MMAP_REGION_END. If it > isn't, it fails. > > However, our mmap() will not try to actually allocate at the passed > address without MAP_TRYFIXED (for right or wrong - haven't looked at our > mmap yet). Adding MAP_TRYFIXED to the MMAP_FLAGS solves the problem and > luajit starts up. > > HTH, > Alex > > > On 2014-02-14 07:17, lhmwzy wrote: > >> OK,here is the ktrace result >> >> # ktrace ./luajit >> ./luajit: cannot create state: not enough memory >> # kdump >> 762 ktrace RET ktrace 0 >> 762 ktrace CALL execve(0x7ffffffff987,0x7ffffffff738,0x7ffffffff748) >> 762 ktrace NAMI "./luajit" >> 762 ktrace NAMI "/usr/libexec/ld-elf.so.2" >> 762 luajit RET execve 0 >> 762 luajit CALL >> __sysctl(0x7fffffffeed0,0x2,0x8008bdb60,0x7fffffffeec8,0,0) >> 762 luajit RET __sysctl 0 >> 762 luajit CALL >> mmap(0,0x8000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0) >> 762 luajit RET mmap 7057408/0x6bb000 >> 762 luajit CALL issetugid >> 762 luajit RET issetugid 0 >> 762 luajit CALL lstat(0x8006c0000,0x7fffffffede0) >> 762 luajit NAMI "/etc" >> 762 luajit RET lstat 0 >> 762 luajit CALL lstat(0x8006c0000,0x7fffffffede0) >> 762 luajit NAMI "/etc/libmap.conf" >> 762 luajit RET lstat -1 errno 2 No such file or directory >> 762 luajit CALL open(0x8006c0000,O_CLOEXEC,<unused>0) >> 762 luajit NAMI "/etc/libmap.conf" >> 762 luajit RET open -1 errno 2 No such file or directory >> 762 luajit CALL access(0x8006c0000,F_OK) >> 762 luajit NAMI "/usr/lib/gcc47/libm.so.4" >> 762 luajit RET access -1 errno 2 No such file or directory >> 762 luajit CALL open(0x8006b2906,O_CLOEXEC,<unused>0x8) >> 762 luajit NAMI "/var/run/ld-elf.so.hints" >> 762 luajit RET open 3 >> 762 luajit CALL read(0x3,0x7fffffffec50,0x80) >> 762 luajit GIO fd 3 read 128 bytes >> "Ehnt^AM^@(' >> >> " >> 762 luajit RET read 128/0x80 >> 762 luajit CALL lseek(0x3,0,0x80,SEEK_SET) >> 762 luajit RET lseek 128/0x80 >> 762 luajit CALL read(0x3,0x8006bc040,0x28) >> 762 luajit GIO fd 3 read 40 bytes >> "/usr/lib:/usr/lib/compat:/usr/local/lib" >> 762 luajit RET read 40/0x28 >> 762 luajit CALL close(0x3) >> 762 luajit RET close 0 >> 762 luajit CALL access(0x8006c0000,F_OK) >> 762 luajit NAMI "/usr/lib/libm.so.4" >> 762 luajit RET access 0 >> 762 luajit CALL open(0x8006bf040,O_CLOEXEC,<unused>0x8) >> 762 luajit NAMI "/usr/lib/libm.so.4" >> 762 luajit RET open 3 >> 762 luajit CALL fstat(0x3,0x7fffffffee60) >> 762 luajit RET fstat 0 >> 762 luajit CALL mmap(0,0x1000,PROT_READ,MAP_PRIVATE,0x3,0,0) >> 762 luajit RET mmap 7090176/0x6c3000 >> 762 luajit CALL >> mmap(0,0x22a000,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,0xffffffff,0,0) >> 762 luajit RET mmap 9183232/0x8c2000 >> 762 luajit CALL >> mmap(0x8008c2000,0x2a000,PROT_READ|PROT_EXEC,MAP_PRIVATE| >> MAP_FIXED|MAP_NOCORE,0x3,0,0) >> 762 luajit RET mmap 9183232/0x8c2000 >> 762 luajit CALL >> mmap(0x800aeb000,0x1000,PROT_READ|PROT_WRITE,MAP_PRIVATE| >> MAP_FIXED,0x3,0,0x29000) >> 762 luajit RET mmap 11448320/0xaeb000 >> 762 luajit CALL munmap(0x8006c3000,0x1000) >> 762 luajit RET munmap 0 >> 762 luajit CALL close(0x3) >> 762 luajit RET close 0 >> 762 luajit CALL access(0x8006c0000,F_OK) >> 762 luajit NAMI "/usr/lib/gcc47/libc.so.8" >> 762 luajit RET access -1 errno 2 No such file or directory >> 762 luajit CALL access(0x8006c0000,F_OK) >> 762 luajit NAMI "/usr/lib/libc.so.8" >> 762 luajit RET access 0 >> 762 luajit CALL open(0x8006bf080,O_CLOEXEC,<unused>0x8) >> 762 luajit NAMI "/usr/lib/libc.so.8" >> 762 luajit RET open 3 >> 762 luajit CALL fstat(0x3,0x7fffffffee60) >> 762 luajit RET fstat 0 >> 762 luajit CALL mmap(0,0x1000,PROT_READ,MAP_PRIVATE,0x3,0,0) >> 762 luajit RET mmap 7090176/0x6c3000 >> 762 luajit CALL >> mmap(0,0x34e000,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,0xffffffff,0,0) >> 762 luajit RET mmap 11452416/0xaec000 >> 762 luajit CALL >> mmap(0x800aec000,0x123000,PROT_READ|PROT_EXEC,MAP_ >> PRIVATE|MAP_FIXED|MAP_NOCORE,0x3,0,0) >> 762 luajit RET mmap 11452416/0xaec000 >> 762 luajit CALL >> mmap(0x800e0f000,0xc000,PROT_READ|PROT_WRITE,MAP_PRIVATE| >> MAP_FIXED,0x3,0,0x123000) >> 762 luajit RET mmap 14741504/0xe0f000 >> 762 luajit CALL >> mmap(0x800e1b000,0x1f000,PROT_READ|PROT_WRITE,MAP_PRIVATE| >> MAP_FIXED|MAP_ANON,0xffffffff,0,0) >> 762 luajit RET mmap 14790656/0xe1b000 >> 762 luajit CALL munmap(0x8006c3000,0x1000) >> 762 luajit RET munmap 0 >> 762 luajit CALL close(0x3) >> 762 luajit RET close 0 >> 762 luajit CALL >> mmap(0,0x19000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON, >> 0xffffffff,0x800000000,0) >> 762 luajit RET mmap 7090176/0x6c3000 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff770) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL set_tls_area(0,0x7ffffffff850,0x10) >> 762 luajit RET set_tls_area 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff7a0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL issetugid >> 762 luajit RET issetugid 0 >> 762 luajit CALL open(0x800be5388,O_RDONLY,<unused>0xfffffffffffffff7) >> 762 luajit NAMI "/dev/urandom" >> 762 luajit RET open 3 >> 762 luajit CALL read(0x3,0x800e1bea0,0x40) >> 762 luajit GIO fd 3 read 64 bytes >> "EuIM^QM-FNM^AM-tM-oII_M-5KM^NmKM-BM-~i{M-7^VM-;M-7KM-{ M^?M^EL >> M-:M^SM^@j$M-oM-|M-/s9s$M-`Iv+^UM-XM-"M^IM^^M-FM^SM^_M-PM-AM^G >> M-@M^LBM-oM^KM^F" >> >> 762 luajit RET read 64/0x40 >> 762 luajit CALL close(0x3) >> 762 luajit RET close 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff760) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff760) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff760) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL setrlimit(RLIMIT_DATA,0x7ffffffff800) >> 762 luajit RET setrlimit 0 >> 762 luajit CALL >> mmap(0x10000000,0x20000,PROT_READ|PROT_WRITE,MAP_PRIVATE| >> MAP_ANON,0xffffffff,0,0) >> 762 luajit RET mmap 7192576/0x6dc000 >> 762 luajit CALL munmap(0x8006dc000,0x20000) >> 762 luajit RET munmap 0 >> 762 luajit CALL >> mmap(0x10000000,0x20000,PROT_READ|PROT_WRITE,MAP_PRIVATE| >> MAP_ANON,0xffffffff,0,0) >> 762 luajit RET mmap 7192576/0x6dc000 >> 762 luajit CALL munmap(0x8006dc000,0x20000) >> 762 luajit RET munmap 0 >> 762 luajit CALL write(0x2,0x7ffffffff120,0xa) >> 762 luajit GIO fd 2 wrote 10 bytes >> "./luajit: " >> 762 luajit RET write 10/0xa >> 762 luajit CALL write(0x2,0x7ffffffff120,0x27) >> 762 luajit GIO fd 2 wrote 39 bytes >> "cannot create state: not enough memory >> " >> 762 luajit RET write 39/0x27 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff710) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff6b0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff6b0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff6b0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0) >> 762 luajit RET sigprocmask 0 >> 762 luajit CALL exit(0x1) >> # >> >> 2014-02-14 15:13 GMT+08:00 lhmwzy <[email protected]>: >> >> OK,I find the reason. >>> >>> ktrace must be config in kernel >>> I will build the custom kernel and try again. >>> >>> 2014-02-14 15:06 GMT+08:00 lhmwzy <[email protected]>: >>> >>> I'd like to provide,but how to >>> >>> #cd cd LuaJIT-2.0.2.patch/src >>> #ktrace luajit >>> ktrace: ktrace.out: Function not implemented >>> >>> 2014-02-14 14:50 GMT+08:00 Alex Hornung <[email protected]>: >>> >>> Can you provide a ktrace(1) output? Just ktrace luajit, and then >>> kdump and get the output. >>> >>> Cheers, >>> Alex >>> >>> On 14/02/14 01:22, lhmwzy wrote: >>> >>> I have tried as fllowing >>> >>> diff -Nur LuaJIT-2.0.2/src/lj_alloc.c >>> LuaJIT-2.0.2.patch/src/lj_alloc.c >>> --- LuaJIT-2.0.2/src/lj_alloc.c 2013-06-03 19:00:00.000000000 +0000 >>> +++ LuaJIT-2.0.2.patch/src/lj_alloc.c 2014-02-14 07:19:53.948397000 >>> +0000 >>> @@ -188,7 +188,7 @@ >>> return ptr; >>> } >>> >>> -#elif LJ_TARGET_OSX || defined(__FreeBSD__) || >>> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || >>> defined(__sun__) >>> +#elif LJ_TARGET_OSX || defined(__FreeBSD__) || >>> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || >>> defined(__sun__)||defined(__DragonFly__) >>> >>> /* OSX and FreeBSD mmap() use a naive first-fit linear search. >>> ** That's perfect for us. Except that -pagezero_size must be set >>> for OSX, >>> @@ -202,7 +202,7 @@ >>> #endif >>> #define MMAP_REGION_END ((uintptr_t)0x80000000) >>> >>> -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) >>> +#if defined(__FreeBSD__) || >>> defined(__FreeBSD_kernel__)||defined(__DragonFly__) >>> #include <sys/resource.h> >>> #endif >>> >>> @@ -212,7 +212,7 @@ >>> /* Hint for next allocation. Doesn't need to be thread-safe. */ >>> static uintptr_t alloc_hint = MMAP_REGION_START; >>> int retry = 0; >>> -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) >>> +#if defined(__FreeBSD__) || >>> defined(__FreeBSD_kernel__)||defined(__DragonFly__) >>> static int rlimit_modified = 0; >>> if (LJ_UNLIKELY(rlimit_modified == 0)) { >>> struct rlimit rlim; >>> diff -Nur LuaJIT-2.0.2/src/lj_arch.h >>> LuaJIT-2.0.2.patch/src/lj_arch.h >>> --- LuaJIT-2.0.2/src/lj_arch.h 2013-06-03 19:00:00.000000000 +0000 >>> +++ LuaJIT-2.0.2.patch/src/lj_arch.h 2014-02-14 07:21:18.628483000 >>> +0000 >>> @@ -67,7 +67,7 @@ >>> #elif defined(__MACH__) && defined(__APPLE__) >>> #define LUAJIT_OS LUAJIT_OS_OSX >>> #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || >>> - defined(__NetBSD__) || defined(__OpenBSD__) >>> + defined(__NetBSD__) || >>> defined(__OpenBSD__)||defined(__DragonFly__) >>> #define LUAJIT_OS LUAJIT_OS_BSD >>> #elif (defined(__sun__) && defined(__svr4__)) || >>> defined(__CYGWIN__) >>> #define LUAJIT_OS LUAJIT_OS_POSIX >>> >>> cd LuaJIT-2.0.2.patch/ >>>> cd src >>>> /usr/local/bin/make >>>> >>> HOSTCC host/minilua.o >>> HOSTLINK host/minilua >>> DYNASM host/buildvm_arch.h >>> HOSTCC host/buildvm.o >>> HOSTCC host/buildvm_asm.o >>> HOSTCC host/buildvm_peobj.o >>> HOSTCC host/buildvm_lib.o >>> HOSTCC host/buildvm_fold.o >>> HOSTLINK host/buildvm >>> BUILDVM lj_vm.s >>> ASM lj_vm.o >>> CC lj_gc.o >>> BUILDVM lj_ffdef.h >>> CC lj_err.o >>> CC lj_char.o >>> BUILDVM lj_bcdef.h >>> CC lj_bc.o >>> CC lj_obj.o >>> CC lj_str.o >>> CC lj_tab.o >>> CC lj_func.o >>> CC lj_udata.o >>> CC lj_meta.o >>> CC lj_debug.o >>> CC lj_state.o >>> CC lj_dispatch.o >>> CC lj_vmevent.o >>> CC lj_vmmath.o >>> CC lj_strscan.o >>> CC lj_api.o >>> CC lj_lex.o >>> CC lj_parse.o >>> CC lj_bcread.o >>> CC lj_bcwrite.o >>> CC lj_load.o >>> CC lj_ir.o >>> CC lj_opt_mem.o >>> BUILDVM lj_folddef.h >>> CC lj_opt_fold.o >>> CC lj_opt_narrow.o >>> CC lj_opt_dce.o >>> CC lj_opt_loop.o >>> CC lj_opt_split.o >>> CC lj_opt_sink.o >>> CC lj_mcode.o >>> CC lj_snap.o >>> CC lj_record.o >>> CC lj_crecord.o >>> BUILDVM lj_recdef.h >>> CC lj_ffrecord.o >>> CC lj_asm.o >>> CC lj_trace.o >>> CC lj_gdbjit.o >>> CC lj_ctype.o >>> CC lj_cdata.o >>> CC lj_cconv.o >>> CC lj_ccall.o >>> CC lj_ccallback.o >>> CC lj_carith.o >>> CC lj_clib.o >>> CC lj_cparse.o >>> CC lj_lib.o >>> CC lj_alloc.o >>> CC lib_aux.o >>> BUILDVM lj_libdef.h >>> CC lib_base.o >>> CC lib_math.o >>> CC lib_bit.o >>> CC lib_string.o >>> CC lib_table.o >>> CC lib_io.o >>> CC lib_os.o >>> CC lib_package.o >>> CC lib_debug.o >>> CC lib_jit.o >>> CC lib_ffi.o >>> CC lib_init.o >>> AR libluajit.a >>> CC luajit.o >>> BUILDVM jit/vmdef.lua >>> DYNLINK libluajit.so >>> LINK luajit >>> OK Successfully built LuaJIT >>> >>> All seems good,but when run >>> >>>> ./luajit >>>> >>> ./luajit: cannot create state: not enough memory >>> >>> 2014-02-14 9:19 GMT+08:00 Justin Sherrill >>> <[email protected]>: >>> >>> It looks like it's trying something specific; assuming it's really >>> not supported on DragonFly, you could look in the file and see if it >>> has a fallback for other operating systems that don't support this >>> feature and add DragonFly to that fallback. >>> >>> On Thu, Feb 13, 2014 at 4:01 AM, lhmwzy <[email protected]> wrote: >>> >>> LuaJIT-2.1-20140109 >>> >>> use GNU make to make >>> >>> the error info: >>> lj_mcode.c:123:2: error: #error "Missing OS support for explicit >>> placement of executable memory" >>> lj_mcode.c: In function 'mcode_protect': >>> lj_mcode.c:197:5: warning: implicit declaration of function >>> 'mcode_setprot' [-Wimplicit-function-declaration] >>> lj_mcode.c: In function 'mcode_alloc': >>> lj_mcode.c:235:7: warning: implicit declaration of function >>> 'mcode_alloc_at' [-Wimplicit-function-declaration] >>> lj_mcode.c:235:45: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> lj_mcode.c:235:45: note: each undeclared identifier is reported >>> only once for each function it appears in >>> lj_mcode.c:240:7: warning: implicit declaration of function >>> 'mcode_free' [-Wimplicit-function-declaration] >>> lj_mcode.c: In function 'mcode_allocarea': >>> lj_mcode.c:275:15: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_reserve': >>> lj_mcode.c:304:22: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_commit': >>> lj_mcode.c:313:20: error: 'MCPROT_RX' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_abort': >>> lj_mcode.c:320:22: error: 'MCPROT_RX' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_patch': >>> lj_mcode.c:332:24: error: 'MCPROT_RX' undeclared (first use in this >>> function) >>> lj_mcode.c:340:24: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> Makefile:642: recipe for target 'lj_mcode.o' failed >>> >>> try LuaJIT-2.0.2 >>> the error info : >>> lj_mcode.c:122:2: error: #error "Missing OS support for explicit >>> placement of executable memory" >>> lj_mcode.c: In function 'mcode_protect': >>> lj_mcode.c:187:5: warning: implicit declaration of function >>> 'mcode_setprot' [-Wimplicit-function-declaration] >>> lj_mcode.c: In function 'mcode_alloc': >>> lj_mcode.c:224:7: warning: implicit declaration of function >>> 'mcode_alloc_at' [-Wimplicit-function-declaration] >>> lj_mcode.c:224:45: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> lj_mcode.c:224:45: note: each undeclared identifier is reported >>> only once for each function it appears in >>> lj_mcode.c:229:7: warning: implicit declaration of function >>> 'mcode_free' [-Wimplicit-function-declaration] >>> lj_mcode.c: In function 'mcode_allocarea': >>> lj_mcode.c:264:15: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_reserve': >>> lj_mcode.c:293:22: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_commit': >>> lj_mcode.c:302:20: error: 'MCPROT_RX' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_abort': >>> lj_mcode.c:308:20: error: 'MCPROT_RX' undeclared (first use in this >>> function) >>> lj_mcode.c: In function 'lj_mcode_patch': >>> lj_mcode.c:320:24: error: 'MCPROT_RX' undeclared (first use in this >>> function) >>> lj_mcode.c:328:24: error: 'MCPROT_RW' undeclared (first use in this >>> function) >>> >>> My os: >>> uname -a: >>> DragonFly . 3.6-RELEASE DragonFly v3.6.0.24.gf2d5f-RELEASE #4: Tue >>> Feb 11 14:22:27 UTC 2014 lhm@.:/usr/obj/usr/src/sys/ >>> >>> lhmwzy x86_64 >>> >>> Any suggestion? >>> >>
