[lldb-dev] LLDB kernel panic on OSX

[Andrew MacPherson]

Hi Greg,

That was exactly it, removing those lines makes the kernel panic go away.

Thanks for the help!

Andrew


On Wed, Jan 8, 2014 at 12:25 AM, Greg Clayton <gclayton at apple.com> wrote:

> Try modifying the function in Host.mm:
>
> static short GetPosixspawnFlags (ProcessLaunchInfo &launch_info)
>
> by commenting out the following lines:
>
> #ifdef POSIX_SPAWN_CLOEXEC_DEFAULT
>     // Close all files exception those with file actions if this is
> supported.
>     flags |= POSIX_SPAWN_CLOEXEC_DEFAULT;
> #endif
>
>
> Using this flag used to cause kernel panics. Maybe it still does on 10.7?
> Let me know if this fixes things and if it does, then I will place a
> dynamic MacOSX version check for 10.8 and above.
>
> Greg
>
> On Jan 7, 2014, at 4:14 AM, Andrew MacPherson <andrew.macp at gmail.com>
> wrote:
>
> > Hello,
> >
> > I've tried building the latest LLDB + LLVM from trunk on two different
> OSX machines running Lion (10.7.5) and the resulting lldb binary seems to
> cause a kernel panic when run. I'm not an OSX developer normally so it's
> quite possible that I'm doing something wrong and I'm wondering if anyone
> has any pointers.
> >
> > I have tried with both clang 3.2 (the default for Xcode 4.6) as well as
> clang 3.3 from MacPorts with the following configure line:
> >
> > ./configure --enable-optimized --enable-assertions --enable-cxx11
> --enable-libcpp
> >
> > The lldb binary can be run but crashes when trying to launch a process.
> >
> > lldb /usr/bin/python
> > (lldb) r
> > <kernel panic>
> >
> > Any ideas are welcome.
> >
> > Thanks,
> > Andrew
> > _______________________________________________
> > lldb-dev mailing list
> > lldb-dev at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>
>
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