Messages in this thread | | | From | "Anand K" <> | Subject | Re: fork() crashes on child but returns success on parent | Date | Thu, 29 May 2003 12:43:42 +0530 |
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Just wondering if you have masked off this signal, even though you have setup signal handlers.
thanks, Anand K. ----- Original Message ----- From: "Nir Livni" <nirl@cyber-ark.com> Newsgroups: mailinglists.external.linux-kernel To: <linux-kernel@vger.kernel.org> Sent: Wednesday, May 28, 2003 5:08 PM Subject: fork() crashes on child but returns success on parent
> Now I know for sure that the child crashes (SIGSEGV) before fork() returns. > I could see it in the UML debugger. > It does not use the signal handler I have set up of the SIGSEGV. It simply > crashes and exits. > > Could this be any kernel problem ? > Any ideas what should I do next to track this problem ? > > > Subject: fork() returns on parent but not returns on child > > > > > > Hi all, > > I am experiencing a problem, where fork() returns succesfully > > on parent, but does not return on child. The child process > > simply "disappears". I believe it might have got a SIGSEGV > > (if it makes any sence) before fork() has returned. > > > > I would like to track down this problem. > > What I did so far is: > > 1. I tried first to make sure there are no memory overruns > > using few tools. 2. I tried to look at strace output, but the > > problem does not occur if I use strace 3. I make a > > UserModeLinux machine and now I would like to breakpoint the > > created child before it crashes (assuming it really crashes) > > > > How do I do that ? > > > > Thanks, > > Nir > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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