It looks like the stackdumps I sent may be due to secondary crashes. Here is the strace of a failure with the segfault and crashdump. It is different than the strace I sent earlier.
88 224700 [sig] cc386 356 wait_sig: signalling pack.wakeup 0x6B0 2290 224775 [main] cc386 1312 wait_for_sigthread: wait_sig_inited 0x7EC 117 224817 [main] cc386 356 sig_send: returning 0x0 from sending signal -34 67 224842 [main] cc386 1312 wait_for_sigthread: process/signal handling enabled, state 0x41 55 224872 [main] cc386 356 wait4: calling proc_subproc, pid 1312, options 0 68 224910 [main] cc386 1312 fork: 0 = fork() 91 224963 [main] cc386 356 proc_subproc: args: 4, 2284288 109 225019 [main] cc386 1312 spawnve: spawnve (/usr/local/companytools/gcc34/x86/cc1.exe, /usr/local/companytools/gcc34/x86/cc1.exe, 1002DAA0) 80 225043 [main] cc386 356 proc_subproc: wval->pid 1312, wval->options 0 83 225102 [main] cc386 1312 spawn_guts: spawn_guts (3, /usr/local/companytools/gcc34/x86/cc1.exe) 106 225149 [main] cc386 356 checkstate: nprocs 1 106 225208 [main] cc386 1312 perhaps_suffix: prog '/usr/local/companytools/gcc34/x86/cc1.exe' 84 225233 [main] cc386 356 stopped_or_terminated: considering pid 1312 77 225285 [main] cc386 1312 normalize_posix_path: src /usr/local/companytools/gcc34/x86/cc1.exe 74 225307 [main] cc386 356 checkstate: no matching terminated children found 104 225389 [main] cc386 1312 normalize_posix_path: /usr/local/companytools/gcc34/x86/cc1.exe = normalize_posix_path (/usr/local/companytools/gcc34/x86/cc1.exe) 107 225414 [main] cc386 356 checkstate: returning -1 90 225479 [main] cc386 1312 mount_info::conv_to_win32_path: conv_to_win32_path (/usr/local/companytools/gcc34/x86/cc1.exe) 77 225491 [main] cc386 356 proc_subproc: only found non-terminated children 91 225582 [main] cc386 356 proc_subproc: finished processing terminated/stopped child 108 225587 [main] cc386 1312 set_flags: flags: binary (0x2) --- Process 1312, exception C0000005 at 6110721F 237 225819 [main] cc386 356 proc_subproc: returning 1 335 225922 [main] cc386 1312 exception::handle: In cygwin_except_handler exc 0xC0000005 at 0x6110721F sp 0x22A2FC 116 226038 [main] cc386 1312 exception::handle: In cygwin_except_handler sig 11 at 0x6110721F 82 226120 [main] cc386 1312 exception::handle: In cygwin_except_handler calling 0x0 78 226198 [main] cc386 1312 perhaps_suffix: buf (null), suffix found '(null)' 156 226354 [main] cc386 1312 __set_errno: int spawn_guts(const char*, const char* const*, const char* const*, int, int, int):369 val 2 771 227125 [main] cc386 1312 fhandler_console::write: 10029448, 5 87 227212 [main] cc386 1312 fhandler_console::write: at 99(c) state is 0 --- Process 1312, exception C0000005 at 611131D8 181 227393 [main] cc386 1312 exception::handle: In cygwin_except_handler exc 0xC0000005 at 0x611131D8 sp 0x22B950 108 227501 [main] cc386 1312 exception::handle: In cygwin_except_handler sig 11 at 0x611131D8 87 227588 [main] cc386 1312 exception::handle: In cygwin_except_handler calling 0x0 73 227661 [main] cc386 1312 try_to_debug: debugger_command '' 604 228265 [main] cc386 1312 open_stackdumpfile: Dumping stack trace to cc386.exe.stackdump 35179 263444 [main] cc386 1312 _cygtls::inside_kernel: pc 0x611131D8, h 0x61000000, inside_kernel 0 189 263633 [main] cc386 1312 normalize_posix_path: src /dev/kmsg 100 263733 [main] cc386 1312 normalize_posix_path: /dev/kmsg = normalize_posix_path (/dev/kmsg) 91 263824 [main] cc386 1312 mount_info::conv_to_win32_path: conv_to_win32_path (/dev/kmsg) --- Process 1312, exception C0000005 at 61109620 217 264041 [main] cc386 1312 exception::handle: In cygwin_except_handler exc 0xC0000005 at 0x61109620 sp 0x229830 88 264129 [main] cc386 1312 exception::handle: In cygwin_except_handler sig 11 at 0x61109620 73 264202 [main] cc386 1312 exception::handle: In cygwin_except_handler calling 0x0 96 264298 [main] cc386 1312 __set_errno: fhandler_base* build_fh_name(const char*, unsigned int, suffix_info*):410 val 14 225 264523 [main] cc386 1312 try_to_debug: debugger_command '' 97 264620 [main] cc386 1312 _cygtls::signal_exit: about to call do_exit (8B) 79 264699 [main] cc386 1312 do_exit: do_exit (139), exit_state 2 85 264784 [main] cc386 1312 void: 0x0 = signal (20, 0x1) 219 265003 [main] cc386 1312 void: 0x40E880 = signal (1, 0x1) 89 265092 [main] cc386 1312 void: 0x40E880 = signal (2, 0x1) 81 265173 [main] cc386 1312 void: 0x0 = signal (3, 0x1) Stephen On Thu, May 13, 2010 at 5:45 PM, Stephen Morton <stephen.c.mor...@gmail.com> wrote: > The problem appears to be cygwin 1.7-specific. (*) > > I get a stackdump as follows. I find that I get a stackdump under a > cygwin shell (DOS terminal) but not under mintty so I'm not 100% sure > the stackdump is for the correct error. > > Exception: STATUS_ACCESS_VIOLATION at eip=611131D8 > eax=0022B9E4 ebx=7FF70008 ecx=00000063 edx=0022B9E4 esi=00000001 edi=00000005 > ebp=0022B998 esp=0022B950 > program=C:\usr\local\companytools\gcc34\x86\cc386.exe, pid 1312, > thread main > cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023 > Stack trace: > Frame Function Args > 0022B998 611131D8 (0022D000, 7FF70008, 10029448, 00000005) > 0022B9F8 610C953E (00008000, 10029448, 00000005, 00000001) > 1002944D 6103413C (68000000, 46611C2F, 68DF0DF0, 00100280) > End of stack trace > > I was able to get a further stack trace from gdb from that. Again, it > would only happen on a cygwin shell and not mintty so I'm not sure I > copied the correct error: > (gdb) backtrace > #0 0x7c90120f in ?? () > #1 0x7c951e68 in ?? () > #2 0x00000005 in ?? () > #3 0x00000004 in ?? () > #4 0x00000001 in ?? () > #5 0x006dffd0 in ?? () > #6 0x00000246 in ?? () > #7 0xffffffff in ?? () > #8 0x7c90e920 in ?? () > #9 0x7c951e88 in ?? () > #10 0x00000000 in ?? () > > Stephen > > (*) I know that doesn't mean that it's 1.7's fault. Perhaps the > problem was pre-existing and was only revealed in 1.7. But it works in > 1.3 and 1.5 on WinXP and fails in 1.7 in WinXP-32, Vista-32, Win7-67. > -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
