On Thu, 25 Oct 2007 10:44:59 -0400
Jeff Dike <[EMAIL PROTECTED]> wrote:
> On Thu, Oct 25, 2007 at 02:03:11PM +0800, WANG Cong wrote:
> > $ ls -l core.10752
> > -rw------- 1 wangcong wangcong 2207744 10-25 14:00 core.10752
> >
> > What should I do then?
>
> gdb it and get a backtrace, although I'm suspicious that it's the main
> process, not the child that unexpectedly segfaulted. Was there only
> one core?
>
Yes, exactly one.
$ ls core*
core.10752
And backtrace is:
#0 0x0807b197 in kernel_sigprocmask (how=0, set=0xbf89bd2c, oldset=0xbf89bcac)
at kernel/signal.c:1981
1981 *oldset = current->blocked;
(gdb) bt
#0 0x0807b197 in kernel_sigprocmask (how=0, set=0xbf89bd2c, oldset=0xbf89bcac)
at kernel/signal.c:1981
#1 0x08064adb in change_sig (signal=28, on=0) at arch/um/os-Linux/signal.c:186
#2 0x08064bc8 in ptrace_child () at arch/um/os-Linux/start_up.c:35
#3 0x08064c91 in start_ptraced_child () at arch/um/os-Linux/start_up.c:100
#4 0x0804b6e1 in check_ptrace () at arch/um/os-Linux/start_up.c:284
#5 0x0804b867 in os_early_checks () at arch/um/os-Linux/start_up.c:347
#6 0x0804a4d5 in linux_main (argc=2, argv=0xbf89bee4)
at arch/um/kernel/um_arch.c:270
#7 0x0804ae74 in main (argc=2, argv=0xbf89bee4, envp=0xbf89bef0)
at arch/um/os-Linux/main.c:148
Regards.
--
May the Source Be With You.
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