On Tue, Nov 16, 2010 at 6:59 PM, Mitani <[email protected]> wrote: >> -----Original Message----- >> From: Garrett Cooper [mailto:[email protected]] >> Sent: Wednesday, November 17, 2010 2:04 AM >> To: Mitani >> Cc: [email protected] >> Subject: Re: [LTP] Realtime test failure >> >> On Tue, Nov 16, 2010 at 12:28 AM, Mitani <[email protected]> wrote: >> >> -----Original Message----- >> >> From: Garrett Cooper [mailto:[email protected]] >> >> Sent: Tuesday, November 16, 2010 12:58 AM >> >> To: Mitani >> >> Cc: [email protected] >> >> Subject: Re: [LTP] Realtime test failure >> >> >> >> On Sun, Nov 14, 2010 at 10:29 PM, Mitani <[email protected]> wrote: >> >> > >> >> > >> >> >> -----Original Message----- >> >> >> From: Garrett Cooper [mailto:[email protected]] >> >> >> Sent: Monday, November 15, 2010 2:20 PM >> >> >> To: Mitani >> >> >> Cc: [email protected]; 當座 健市 >> >> >> Subject: Re: [LTP] Realtime test failure >> >> >> >> >> >> 2010/11/14 Mitani <[email protected]>: >> >> >> >> -----Original Message----- >> >> >> >> From: Garrett Cooper [mailto:[email protected]] >> >> >> >> Sent: Monday, November 15, 2010 12:03 PM >> >> >> >> To: Mitani >> >> >> >> Subject: Re: [LTP] Realtime test failure >> >> >> >> >> >> >> >> On Sun, Nov 14, 2010 at 6:54 PM, Mitani <[email protected]> >> wrote: >> >> >> >> > Hi, >> >> >> >> > >> >> >> >> > "realtime" build failed in my system with git >> "ltp-f388d33.tar.gz": >> >> >> >> > ------------<RHEL4.8 - x86> >> >> >> >> > make[2]: Entering directory >> >> >> >> `/home/LTP/ltp-dev-20101112/testcases/realtime' >> >> >> >> > make -C lib -f >> >> >> >> "/home/LTP/ltp-dev-20101112/testcases/realtime/lib/Makefile" >> >> >> >> > all >> >> >> >> > make[3]: Entering directory >> >> >> >> > `/home/LTP/ltp-dev-20101112/testcases/realtime/lib' >> >> >> >> > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -D_GNU_SOURCE >> >> >> >> > >> -I/home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include >> >> >> >> > -I../../../include -I../../../include -c -o librttest.o >> >> >> librttest.c >> >> >> >> > In file included from librttest.c:43: >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include/librtte >> >> >> >> st.h: In >> >> >> >> > function `atomic_add': >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include/librtte >> >> >> >> st.h:119 >> >> >> >> > : warning: implicit declaration of function >> `__sync_add_and_fetch' >> >> >> >> > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -D_GNU_SOURCE >> >> >> >> > >> -I/home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include >> >> >> >> > -I../../../include -I../../../include -c -o libstats.o >> >> libstats.c >> >> >> >> > In file included from libstats.c:47: >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include/librtte >> >> >> >> st.h: In >> >> >> >> > function `atomic_add': >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include/librtte >> >> >> >> st.h:119 >> >> >> >> > : warning: implicit declaration of function >> `__sync_add_and_fetch' >> >> >> >> > if [ -z "librttest.o libstats.o" ] ; then \ >> >> >> >> > echo "Cowardly refusing to create empty archive"; \ >> >> >> >> > exit 1; \ >> >> >> >> > fi >> >> >> >> > ar -rc "librealtime.a" librttest.o libstats.o >> >> >> >> > ranlib "librealtime.a" >> >> >> >> > make[3]: Leaving directory >> >> >> >> > `/home/LTP/ltp-dev-20101112/testcases/realtime/lib' >> >> >> >> > make[3]: Entering directory >> >> >> >> > `/home/LTP/ltp-dev-20101112/testcases/realtime/func' >> >> >> >> > make[4]: Entering directory >> >> >> >> > >> >> >> >> `/home/LTP/ltp-dev-20101112/testcases/realtime/func/async_handler' >> >> >> >> > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -D_GNU_SOURCE >> >> >> >> > -I/home/LTP/ltp-dev-20101112/testcases/realtime/include >> >> >> >> > -I../../../../include -I../../../../include >> >> >> >> > -L/home/LTP/ltp-dev-20101112/testcases/realtime/lib >> >> >> >> -L../../../../lib >> >> >> >> > async_handler.c -lrealtime -lpthread -lrt -lm -o >> async_handler >> >> >> >> > In file included from async_handler.c:42: >> >> >> >> > >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/include/librttest.h: >> >> >> >> In >> >> >> >> > function `atomic_add': >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/include/librttest.h:11 >> >> >> >> 9: >> >> >> >> > warning: implicit declaration of function >> `__sync_add_and_fetch' >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/librealtime.a(libr >> >> >> >> ttest.o) >> >> >> >> > (.text+0x1a7): In function `create_thread': >> >> >> >> > >> >> >> >> >> >> >> >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include/librtte >> >> >> >> st.h:119 >> >> >> >> > : undefined reference to `__sync_add_and_fetch' >> >> >> >> > collect2: ld returned 1 exit status >> >> >> >> > make[4]: *** [async_handler] Error 1 >> >> >> >> > make[4]: Leaving directory >> >> >> >> > >> >> >> >> `/home/LTP/ltp-dev-20101112/testcases/realtime/func/async_handler' >> >> >> >> > make[3]: *** [all] Error 2 >> >> >> >> > make[3]: Leaving directory >> >> >> >> > `/home/LTP/ltp-dev-20101112/testcases/realtime/func' >> >> >> >> > make[2]: *** [all] Error 2 >> >> >> >> > make[2]: Leaving directory >> >> >> >> `/home/LTP/ltp-dev-20101112/testcases/realtime' >> >> >> >> > make[1]: *** [all] Error 2 >> >> >> >> > make[1]: Leaving directory >> >> `/home/LTP/ltp-dev-20101112/testcases' >> >> >> >> > make: *** [testcases-all] Error 2 >> >> >> >> > ------------ >> >> >> >> > >> >> >> >> > "realtime" build failed in: >> >> >> >> > ------------ >> >> >> >> > RHEL4.8 -- x86, x86_64, ia64 >> >> >> >> > RHEL5.4 -- x86 >> >> >> >> > ------------ >> >> >> >> > >> >> >> >> > "realtime" build succeeded in: >> >> >> >> > ------------ >> >> >> >> > RHEL5.4 -- x86_64, ia64 >> >> >> >> > ------------ >> >> >> >> > >> >> >> >> > It is caused by "__sync_add_and_fetch". >> >> >> >> > >> >> >> >> > In following URL, "__sync_add_and_fetch" is "built-in functions >> >> for >> >> >> >> > atomic memory access". And It is provided in "gcc": >> >> >> >> >> >> >> >> >> >> > http://gcc.gnu.org/onlinedocs/gcc-4.4.0/gcc/Atomic-Builtins.html >> >> >> >> > >> >> >> >> > There is "__sync_add_and_fetch" in gcc4.1.2 (It is the gcc >> of >> >> RHEL5.1 >> >> >> >> - >> >> >> >> > RHEL5.4). >> >> >> >> > And there is not "__sync_add_and_fetch" in gcc3.4.6 (It is >> the >> >> gcc >> >> >> of >> >> >> >> > RHEL4.8) >> >> >> >> > >> >> >> >> > In addition, "__sync_add_and_fetch" is for 64 bit environment. >> >> >> >> > >> >> >> >> > >> >> >> >> >> >> >> >> >> >> http://stackoverflow.com/questions/130740/link-error-when-compiling- >> >> >> >> gcc-atom >> >> >> >> > ic-operation-in-32-bit-mode >> >> >> >> > >> >> >> >> > http://gcc.gnu.org/wiki/Atomic >> >> >> >> > >> >> >> >> > Perhaps, the judgment that "realtime" must be built or not >> depends >> >> >> on >> >> >> >> > gcc's version (> 4.0) and 64 bits environment, I think. >> >> >> >> >> >> >> >> Could you please attach your testcases/realtime/config.log and >> >> >> >> testcases/realtime/include/realtime_config.h ? >> >> >> >> Thanks, >> >> >> >> -Garrett >> >> >> > >> >> >> > >> >> >> > I understood. >> >> >> > Thank you and sorry for my insufficient information. >> >> >> > >> >> >> > I attach following files: >> >> >> > - config.log (RHEL4.8-x86) >> >> >> > - realtime_config.h (RHEL4.8-x86) >> >> >> > - config.log (RHEL5.5-x86) >> >> >> > - realtime_config.h (RHEL5.5-x86) >> >> >> >> >> >> Could you please try compiling the following C sources in both >> >> >> scenarios? >> >> >> Thanks, >> >> >> -Garrett >> >> >> >> >> >> #ifndef _GNU_SOURCE >> >> >> #define _GNU_SOURCE >> >> >> #endif >> >> >> #include <stdlib.h> >> >> >> int main(void) { >> >> >> char *c; >> >> >> return __sync_add_and_fetch(c, 1); >> >> >> } >> >> > >> >> > >> >> > I was going to compile the sent source in RHEL4.8/5.5-x86, but failed. >> >> > >> >> > ------------<RHEL4.8-x86> >> >> > [r...@rhel48-ltp-x86 async_handler]# cat realtime-test.c >> >> > #ifndef _GNU_SOURCE >> >> > #define _GNU_SOURCE >> >> > #endif >> >> > #include <stdlib.h> >> >> > int main(void) { >> >> > char *c; >> >> > return __sync_add_and_fetch(c, 1); } >> >> > >> >> > [r...@rhel48-ltp-x86 async_handler]# gcc realtime-test.c -o >> >> realtime-test >> >> > /tmp/cciHVx8b.o(.text+0x25): In function `main': >> >> > : undefined reference to `__sync_add_and_fetch' >> >> > collect2: ld returned 1 exit status >> >> > [r...@rhel48-ltp-x86 async_handler]# >> >> > [r...@rhel48-ltp-x86 async_handler]# gcc -g -O2 -g -O2 >> >> -fno-strict-aliasing -pipe -Wall -D >> >> > >> >> >> _GNU_SOURCE -I/home/LTP/ltp-dev-20101112/testcases/realtime/include >> >> -I../../../../include >> >> >> > -I../../../../include -L/home/LTP/ltp-dev-20101112/testcases/re >> >> altime/lib -L../../../.. >> >> > /lib realtime-test.c -lrealtime -lpthread -lrt -lm -o >> realtime-test >> >> > realtime-test.c: In function `main': >> >> > realtime-test.c:7: warning: implicit declaration of function >> >> `__sync_add_and_fetch' >> >> > realtime-test.c:6: warning: 'c' might be used uninitialized in this >> >> function >> >> > /tmp/ccIDckLk.o(.text+0x10): In function `main': >> >> > >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/func/async_handler/rea >> >> ltime-test.c:7: undefined reference to `__sync_add_and_fetch' >> >> > collect2: ld returned 1 exit status >> >> > [r...@rhel48-ltp-x86 async_handler]# >> >> > ------------ >> >> > >> >> > ------------<RHEL5.5-x86> >> >> > [r...@rhel55-ltp-x86 async_handler]# cat realtime-test.c >> >> > #ifndef _GNU_SOURCE >> >> > #define _GNU_SOURCE >> >> > #endif >> >> > #include <stdlib.h> >> >> > int main(void) { >> >> > char *c; >> >> > return __sync_add_and_fetch(c, 1); } >> >> > >> >> > [r...@rhel55-ltp-x86 async_handler]# gcc realtime-test.c -o >> >> realtime-test >> >> > /tmp/ccK8hmPs.o: In function `main': >> >> > realtime-test.c:(.text+0x20): undefined reference to >> >> `__sync_add_and_fetch_1' >> >> > collect2: ld returned 1 exit status >> >> > [r...@rhel55-ltp-x86 async_handler]# gcc -g -O2 -g -O2 >> >> -fno-strict-aliasing -pipe -Wall -D >> >> > >> >> >> _GNU_SOURCE -I/home/LTP/ltp-dev-20101112/testcases/realtime/include >> >> -I../../../../include >> >> >> > -I../../../../include -L/home/LTP/ltp-dev-20101112/testcases/re >> >> altime/lib -L../../../.. >> >> > /lib realtime-test.c -lrealtime -lpthread -lrt -lm -o >> realtime-test >> >> > realtime-test.c: In function 'main': >> >> > realtime-test.c:7: warning: 'c' is used uninitialized in this >> function >> >> > /tmp/ccKUnocB.o: In function `main': >> >> > >> >> >> /home/LTP/ltp-dev-20101112/testcases/realtime/func/async_handler/rea >> >> ltime-test.c:7: undefined reference to `__sync_add_and_fetch_1' >> >> > collect2: ld returned 1 exit status >> >> > [r...@rhel55-ltp-x86 async_handler]# >> >> >> >> Not sure why but it incorrectly passed on your machine: >> >> >> >> configure:5186: checking Checking for __sync_add_and_fetch gcc builtin >> >> function >> >> configure:5216: gcc -c -g -O2 conftest.c >&5 >> >> configure:5222: $? = 0 >> >> >> >> 23 AC_MSG_CHECKING([Checking for __sync_add_and_fetch gcc builtin >> >> function]) >> >> 24 AC_TRY_COMPILE([ >> >> 25 #ifndef _GNU_SOURCE >> >> 26 #define _GNU_SOURCE >> >> 27 #endif >> >> 28 #include <stdlib.h>],[int main(void) { >> >> 29 char *c; >> >> 30 return __sync_add_and_fetch(c, 1); >> >> 31 }],[has___sync_add_and_fetch=yes]) >> >> 32 if test "x$has___sync_add_and_fetch" = xyes; then >> >> 33 AC_DEFINE(HAVE___SYNC_ADD_AND_FETCH,1,[Define to 1 if you >> >> have the __ sync_add_and_fetch gcc builtin function]) >> >> 34 AC_MSG_RESULT(yes) >> >> 35 else >> >> 36 AC_MSG_RESULT(no) >> >> 37 fi >> >> >> >> Whereas it didn't on mine: >> >> >> >> 248 configure:4777: checking Checking for __sync_add_and_fetch gcc >> >> builtin funct ion >> >> 249 configure:4797: gcc -c -g -O2 conftest.c >&5 >> >> 250 configure:4797: $? = 0 >> >> >> >> There was a potential problem with the macro though (I keep on >> >> forgetting that AC_TRY_COMPILE and AC_COMPILE_IFELSE work predefine >> >> main() with the block of code provided), so please let me know if >> >> things work for you. >> >> Thanks, >> >> -Garrett >> > >> > >> > I attached same options by obeying "config.log". >> > And I confirmed that "conftest.c" could be successfully compiled by >> > manual operation: >> > ------------ >> > [r...@rhel48-ltp-x86 async_handler]# pwd >> > /home/LTP/ltp-dev-20101112/testcases/realtime/func/async_handler >> > [r...@rhel48-ltp-x86 async_handler]# ll >> > total 36 >> > -rw-rw-r-- 1 root root 1045 Nov 12 02:19 Makefile >> > -rw-rw-r-- 1 root root 5341 Nov 12 02:19 async_handler.c >> > -rw-rw-r-- 1 root root 4485 Nov 12 02:19 async_handler_jk.c >> > -rw-rw-r-- 1 root root 6013 Nov 12 02:19 async_handler_tsc.c >> > -rw-r--r-- 1 root root 147 Nov 15 15:14 conftest.c >> > -rwxrwxr-x 1 root root 333 Nov 12 02:19 run_auto.sh >> > [r...@rhel48-ltp-x86 async_handler]# cat conftest.c >> > #ifndef _GNU_SOURCE >> > #define _GNU_SOURCE >> > #endif >> > #include <stdlib.h> >> > int main(void) { >> > char *c; >> > return __sync_add_and_fetch(c, 1); } >> > >> > [r...@rhel48-ltp-x86 async_handler]# gcc -c -g -O2 conftest.c >> > [r...@rhel48-ltp-x86 async_handler]# echo $? >> > 0 >> > [r...@rhel48-ltp-x86 async_handler]# ll >> > total 40 >> > -rw-rw-r-- 1 root root 1045 Nov 12 02:19 Makefile >> > -rw-rw-r-- 1 root root 5341 Nov 12 02:19 async_handler.c >> > -rw-rw-r-- 1 root root 4485 Nov 12 02:19 async_handler_jk.c >> > -rw-rw-r-- 1 root root 6013 Nov 12 02:19 async_handler_tsc.c >> > -rw-r--r-- 1 root root 147 Nov 15 15:14 conftest.c >> > -rw-r--r-- 1 root root 2596 Nov 16 16:24 conftest.o >> > -rwxrwxr-x 1 root root 333 Nov 12 02:19 run_auto.sh >> > [r...@rhel48-ltp-x86 async_handler]# >> > ------------ >> > >> > I tried build async_handler.c with "-c" option by manual operation >> > according to "conftest.c", and it succeeded: >> > ------------ >> > [r...@rhel48-ltp-x86 async_handler]# gcc -c -g -O2 -fno-strict-aliasing >> -pipe -Wall >> -D_GNU_SOURCE -I/home/LTP/ltp-dev-20101112/testcases/realtime/inclu >> de -I../../../../include >> -I../../../../include -L/home/LTP/ltp-dev-20101112/testcases/realt >> ime/lib -L../../../../lib async_handler.c -lrealtime -lpthread -lrt >> -lm -o async_handler >> > In file included from async_handler.c:42: >> > /home/LTP/ltp-dev-20101112/testcases/realtime/include/librttest.h: >> In function `atomic_add': >> > >> /home/LTP/ltp-dev-20101112/testcases/realtime/include/librttest.h:11 >> 9: warning: implicit declaration of function `__sync_add_and_fetch' >> > gcc: -lrealtime: linker input file unused because linking not done >> > gcc: -lpthread: linker input file unused because linking not done >> > gcc: -lrt: linker input file unused because linking not done >> > gcc: -lm: linker input file unused because linking not done >> > [r...@rhel48-ltp-x86 async_handler]# echo $? >> > 0 >> > [r...@rhel48-ltp-x86 async_handler]# ll >> > total 56 >> > -rw-rw-r-- 1 root root 1045 Nov 12 02:19 Makefile >> > -rw-r--r-- 1 root root 12612 Nov 16 16:27 async_handler >> > -rw-rw-r-- 1 root root 5341 Nov 12 02:19 async_handler.c >> > -rw-rw-r-- 1 root root 4485 Nov 12 02:19 async_handler_jk.c >> > -rw-rw-r-- 1 root root 6013 Nov 12 02:19 async_handler_tsc.c >> > -rw-r--r-- 1 root root 147 Nov 15 15:14 conftest.c >> > -rw-r--r-- 1 root root 2596 Nov 16 16:24 conftest.o >> > -rwxrwxr-x 1 root root 333 Nov 12 02:19 run_auto.sh >> > [r...@rhel48-ltp-x86 async_handler]# >> > ------------ >> > >> > But above build is not with linkage by "-c" option. >> > With linkage, it failed: >> > ------------ >> > [r...@rhel48-ltp-x86 async_handler]# gcc -g -O2 -fno-strict-aliasing >> -pipe -Wall >> -D_GNU_SOURCE -I/home/LTP/ltp-dev-20101112/testcases/realtime/inclu >> de -I../../../../include >> -I../../../../include -L/home/LTP/ltp-dev-20101112/testcases/realt >> ime/lib -L../../../../lib async_handler.c -lrealtime -lpthread -lrt >> -lm -o async_handler >> > In file included from async_handler.c:42: >> > /home/LTP/ltp-dev-20101112/testcases/realtime/include/librttest.h: >> In function `atomic_add': >> > >> /home/LTP/ltp-dev-20101112/testcases/realtime/include/librttest.h:11 >> 9: warning: implicit declaration of function `__sync_add_and_fetch' >> > >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/librealtime.a(libr >> ttest.o)(.text+0x1a7): In function `create_thread': >> > >> /home/LTP/ltp-dev-20101112/testcases/realtime/lib/../include/librtte >> st.h:119: undefined reference to `__sync_add_and_fetch' >> > collect2: ld returned 1 exit status >> > [r...@rhel48-ltp-x86 async_handler]# >> > ------------ >> > >> > I think that the check of "__sync_add_and_fetch" by "conftest.c" must >> > be done without "-c" option. >> >> Please try out HEAD again. It should be fixed now (I substituted >> AC_LINK_IFELSE for AC_TRY_COMPILE). >> Thanks, >> -Garrett > > Thank you for your response. > > > I tried to build "realtime" tests with recent git "ltp-c23c351.tar.gz". > > Build succeeded in RHEL5.5-x86 system. > > But build failed in RHEL4.8-x86/x86_64/ia64 systems: > ------------<RHEL4.8-x86> > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -D_GNU_SOURCE > -I/home/LTP/ltp-dev-2010 > 1116/testcases/realtime/include -I../../../../include -I../../../../include > -L/home/LTP/ > ltp-dev-20101116/testcases/realtime/lib -L../../../../lib testpi-4.c > -lrealtime -lpthre > ad -lrt -lm -o testpi-4 > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -D_GNU_SOURCE > -I/home/LTP/ltp-dev-2010 > 1116/testcases/realtime/include -I../../../../include -I../../../../include > -L/home/LTP/ > ltp-dev-20101116/testcases/realtime/lib -L../../../../lib testpi-5.c > -lrealtime -lpthre > ad -lrt -lm -o testpi-5 > testpi-5.c: In function `do_test': > testpi-5.c:69: warning: unused variable `mutexattr' > testpi-5.c:70: warning: unused variable `retc' > testpi-5.c:70: warning: unused variable `protocol' > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -D_GNU_SOURCE > -I/home/LTP/ltp-dev-2010 > 1116/testcases/realtime/include -I../../../../include -I../../../../include > -L/home/LTP/ > ltp-dev-20101116/testcases/realtime/lib -L../../../../lib testpi-6.c > -lrealtime -lpthre > ad -lrt -lm -o testpi-6 > testpi-6.c: In function `do_test': > testpi-6.c:75: warning: implicit declaration of function > `pthread_mutexattr_setrobust_np' > testpi-6.c:75: error: `PTHREAD_MUTEX_ROBUST_NP' undeclared (first use in this > function) > testpi-6.c:75: error: (Each undeclared identifier is reported only once > testpi-6.c:75: error: for each function it appears in.) > testpi-6.c:79: warning: implicit declaration of function > `pthread_mutexattr_getrobust_np' > make[4]: *** [testpi-6] Error 1 > make[4]: Leaving directory > `/home/LTP/ltp-dev-20101116/testcases/realtime/func/pi-tests' > make[3]: *** [all] Error 2 > make[3]: Leaving directory > `/home/LTP/ltp-dev-20101116/testcases/realtime/func' > make[2]: *** [all] Error 2 > make[2]: Leaving directory `/home/LTP/ltp-dev-20101116/testcases/realtime' > make[1]: *** [all] Error 2 > make[1]: Leaving directory `/home/LTP/ltp-dev-20101116/testcases' > make: *** [testcases-all] Error 2 > ------------ > > The error of the "async_handler.c" by "__sync_add_and_fetch" until yesterday > was solved. > However, a new failure about mutex occurs in another function. > > I am investigating about it. > Perhaps.. perhaps, mutex is supported after kernel version 2.6.16, I think. > > > This is just a quick note to let you know.
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