From: Adam S. <ada...@gm...> - 2018-02-07 21:25:33
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Even with the patches from that bug the error still occurred. On Wed, Feb 7, 2018 at 3:16 PM, Adam Scott <ada...@gm...> wrote: > I am using the latest version 3.13. I will pull down that patch and try it > out. > > On Wed, Feb 7, 2018 at 3:03 PM, Philippe Waroquiers < > phi...@sk...> wrote: > >> Which version are you using ? >> Some improvements to clone handling was done in 3.13 : >> * On Linux, clone handling has been improved to honour CLONE_VFORK that >> involves a child stack. Note however that CLONE_VFORK | CLONE_VM is >> handled >> like CLONE_VFORK (by removing CLONE_VM), so applications that depend on >> CLONE_VM exact semantics will (still) not work. >> >> Otherwise, I am sure we have still a bunch of clone related bugs >> opened. E.g. https://bugs.kde.org/show_bug.cgi?id=183406 >> and https://bugs.kde.org/show_bug.cgi?id=386427 which has >> a patch, and might be what you have encountered. >> >> Philippe >> >> >> On Wed, 2018-02-07 at 14:51 -0600, Adam Scott wrote: >> > I'm hoping someone else has seen this issue and is able to help me. I >> have search all over the internet for a solution and haven't been able to >> find one. I am trying to run Valgrind on armv7 architecture, and after >> compiling Valgrind and getting it onto the target I am able to run Valgrind >> successfully on 'ls -l' but when I run Valgrind on my executable it starts >> and then always fails after printing out this error: >> > >> > ==2333== Unsupported clone() flags: 0x800600 >> > ==2333== >> > ==2333== The only supported clone() uses are: >> > ==2333== - via a threads library (LinuxThreads or NPTL) >> > ==2333== - via the implementation of fork or vfork >> > ==2333== >> > ==2333== Valgrind detected that your program requires >> > ==2333== the following unimplemented functionality: >> > ==2333== Valgrind does not support general clone(). >> > ==2333== This may be because the functionality is hard to implement, >> > ==2333== or because no reasonable program would behave this way, >> > ==2333== or because nobody has yet needed it. In any case, let us know >> at >> > ==2333== www.valgrind.org and/or try to work around the problem, if >> you can. >> > ==2333== >> > ==2333== Valgrind has to exit now. Sorry. Bye! >> > ==2333== >> > >> > sched status: >> > running_tid=9 >> > >> > The thread that has the crash has the following stack: >> > Thread 9: status = VgTs_Runnable (lwpid 2354) >> > ==2333== at 0x6C5BCC: sys_clone (linux_syscall_support.h:2666) >> > ==2333== by 0x6C5BCC: google_breakpad::ExceptionHand >> ler::GenerateDump(google_breakpad::ExceptionHandler::CrashContext*) >> (exception_handler.cc:527) >> > ==2333== by 0x6C60C3: google_breakpad::ExceptionHandler::SignalHandler(int, >> siginfo_t*, void*) (exception_handler.cc:368) >> > ==2333== by 0x4CE5ACF: ??? (in /lib/libc-2.22.so) >> > ------------------------------------------------------------ >> ------------------ >> > Check out the vibrant tech community on one of the world's most >> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot >> > _______________________________________________ >> > Valgrind-users mailing list >> > Val...@li... >> > https://lists.sourceforge.net/lists/listinfo/valgrind-users >> > > |