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On Wed, Oct 02, 2013 at 09:14:43AM -0700, Ildar Muslukhov wrote:

 > On Wed, Oct 2, 2013 at 8:12 AM, Dave Jones <davej@xxxxxxxxxx> wrote:
 > > On Thu, Sep 19, 2013 at 02:24:24PM -0700, Ildar Muslukhov wrote:
 > >  >
 > >  > This patch fixes missing 6th param for 32bit syscalls in i386 and x86_64
 > >  > archs.
 > >
 > > Something isn't quite right with this.
 > > I was looking at a log file and noticed that in a lot of cases, we end up
 > > doing a 32bit syscall, and then the child respawns.  I suspected it
 > > was segfaulting, and running with -D confirms it.
 > >
 > > A whole bunch of core dumps appears, looking like this..
 > >
 > > Core was generated by `../trinity -q -D'.
 > > Program terminated with signal 11, Segmentation fault.
 > > #0  0x0000000000403aa5 in syscall32 (a6=<optimized out>, a5=5, a4=9709, a3=29, a2=4, a1=<optimized out>, call=279, num_args=5) at syscall.c:76
 > > 76                      __syscall_return(long,__res);
 > >
 > > This is running on x86-64, I haven't tested actually running on a 32-bit machine,
 > > but I suspect it's a problem there too.
 >
 > Yes, it gave me problems in the beginning, but after removing static
 > from the function and taking care of ebp it worked. Will test it on my
 > machine in a moment. BTW which kernel version are you running against?

Happens with 3.11, and Linus' git. Seems to not matter.

	Dave

 
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