Hi Greg, Greg Ungerer wrote, > Hi Waldemar, > > On 20/05/16 14:20, Waldemar Brodkorb wrote: > > Greg Ungerer wrote, > >> On 16/05/16 19:54, Waldemar Brodkorb wrote: > >>> I compile and test the thread test app from here on > >>> Qemu coldfire emulation: > >>> http://debug.openadk.org/arm-pthreads/hello.c > >>> > >>> Sometimes it works, sometimes I get SIGILL. > >>> Tested with buildroot and qemu_m68k_mcf5208_defconfig. It uses gcc > >>> 4.9.3 and binutils 2.25.1. The kernel is 4.5.3 including the signal > >>> handler patch. uClibc-ng 1.0.14 is used. > >>> > >>> Any idea? > >> > >> Do you get the SIGILL when running without strace? > > > > Yes. > > > >> How often does it work, and not work? > > > > ~ # ill=0; for i in $(seq 1 50); do /test; if [ $? -ne 0 ]; then > > ill=$(($ill+1)) ;fi; sleep 2; done > > ~ # echo $ill > > 30 > > > > It is not always the same. > > Ok. I expect I would see it pretty easily though if I > run hello 100 times for example. > > > >> I have a setup with a gcc-5.3/binutils-2.25.1 toolchain building > >> linux-4.6 and using uClibc-ng-1.0.14 and using your hello.c test > >> app and I don't see any SIGILLs. Ran it quite a few times but > >> didn't see any. > > > > Hmm. I now changed to gcc 5.3.0 and see the same problem. > > Need to try linux-4.6. What version of Qemu are you using? > > I recently updated to 2.6.0. > > I was using an older 2.3.50. But I just pulled down 2.6 and > tried again. I still don't see any SIGILLs. > > Looking at your strace dump and mine it puzzles me that the initial > startup is a little different. On my dump the first output > write() is the 3rd system call. On your traces it is much later. > > Can you send me your hello (and hello.gdb) binaries?
They are here: http://debug.openadk.org/coldfire/ Are you using linuxthreads.old or linuxthreads.new? I use old, and new will be removed in the next uClibc-ng release. best regards Waldemar _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
