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sig_send: wait for sig_complete event failed

Hi List,

I've just bitten the bullet and upgraded from a b20.1 snapshot release to the 
latest and greatest net release, and almost everything is much improved (so I 
don't really want to go back ... ;-)  Unfortunately, I've started having various 
problems with the error message:

1184486202 [sig] bash 28849 sig_send: wait for sig_complete event failed, sig 11, rc 258, Win32 error 0

being repeated over and over and over.  I've tried killing bash (PID 28849 in this case) with the kill command, but it doesn't seem to help.  I couldn't work out 
what its Windows PID was to try killing it from the Task Manager.

This is being given by our overnight rebuild and regression tests, which are 
monster Bourne-shell and bash scripts, after a good few hours of runtime.  I've 
done a search of the mailing list archives, and the only other person I could find 
who was seeing this was in the following message, during testing something 

The same error message occurred in a couple of other contexts, but this was 
the only one with a real-looking signal number and Win32 error 0.  Needless to 
say, I couldn't find a fix recorded with any of them. :-(

I haven't tried to run with strace and so on, for the simple reason that this only 
seems to happen after they've been running pretty solidly for 4-5 hours or 
more!  I can't seem to find an obvious reproducible and useful test case, so it's 
not obvious what anybody can do about it; this is mostly a plea for help!  Has 
anybody else seen this problem, and was there a solution?

This is NT 4, but with lots of software installed which may be causing this; I did 
some tests using VMware before upgrading, and didn't see the problem, but I 
was doing shorter runs there, and also the virtual machine is much slower than 
a real NT box.  I wonder whether it might be a race; I'm running on a dual CPU 
box here, and that's caused me some problems before with stock b20.1.  (In 
that case, they were fixed by a snapshot).  It's also interesting that I've been 
having similar hangs with b20.1; I couldn't find any error messages in that case,
but it may or may not be related.

cygcheck output appended.  Thanks in advance for any help/clues anybody can 
give!  (Especially if there is a way to recover from this and kill off the process 
which is hung without having to start all the way over again, that'd be nice).  If 
anybody can give me a pointer as to where I might start debugging this I may 
be able to have a go at that, but given what little I know about either this 
problem or Cygwin, it's a rather daunting task at the moment!



Andy Mortimer, CFX-5 Architecture and Infrastructure Team

Cygnus Win95/NT Configuration Diagnostics
Current System Time: Fri Sep 15 11:42:53 2000

WinNT Ver 4.0 build 1381 Service Pack 5

Path:	/cygdrive/u/bin
	/c/Program Files/Microsoft Visual Studio/Common/Tools
	/c/Program Files/Microsoft Visual Studio/Common/Msdev98/BIN
	/c/Program Files/Microsoft Visual Studio/DF98/BIN
	/c/Program Files/Microsoft Visual Studio/VC98/BIN
	/c/Program Files/DevStudio/SharedIDE/BIN
	/c/Program Files/DevStudio/DF/BIN
	/c/Program Files/DevStudio/VC/BIN
	/c/Program Files/InstallShield/InstallShield 5.5 Professional Edition/Program
	/c/Program Files/Exceed.nt

SysDir: C:\WINNT\System32
WinDir: C:\WINNT

HOME = `/cygdrive/u'
MAKE_MODE = `unix'
PWD = `/E/Home/andy/src/tools/pvm-merge/pvm3'
USER = `andy_mortimer'

!C: = `C:\cygwin\bin'
!U: = `U:\'
COMSPEC = `C:\WINNT\system32\cmd.exe'
CPU = `i386'
CVS_HOST = `io'
EDITMODE = `emacs'
EDITOR = `vim'
FPS_LIB = `C:\FPS4\LIB;C:\Program Files\DevStudio\VC\LIB'
HOMESHARE = `\\cfx-server\Andy_Mortimer$'
HOSTTYPE = `i586'
INCLUDE = `C:\Program Files\Microsoft Visual Studio\DF98\INCLUDE;C:\Program Files\Microsoft Visual Studio\VC98\INCLUDE;C:\Program Files\DevStudio\DF\INCLUDE;C:\Program Files\DevStudio\VC\INCLUDE'
LIB = `C:\Program Files\Microsoft Visual Studio\DF98\LIB;C:\Program Files\Microsoft Visual Studio\VC98\LIB;C:\Program Files\DevStudio\DF\LIB;C:\Program Files\DevStudio\VC\LIB'
LM_LICENSE_FILE = `C:\MSC\flexlm\licenses\license.dat'
MACHTYPE = `i586-pc-cygwin'
OLDPWD = `/cygdrive/u'
OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
OS = `Windows_NT'
OSTYPE = `cygwin'
PAGER = `less'
PROCESSOR_IDENTIFIER = `x86 Family 6 Model 5 Stepping 2, GenuineIntel'
PS1 = `\[\033]2;${SHDESC:+<$SHDESC>:}\w\007\033]1;<${SHDESC:-??}> \h:\W\007\]\[\033[1m\][${SHDESC:+$SHDESC:}$SHLVL]:\w\$\[\033[0m\] '
SHELL = `/bin/sh'
SHLVL = `1'
TEMP = `/c/TEMP'
TERM = `cygwin'
USERNAME = `Andy_Mortimer'
USERPROFILE = `C:\WINNT\Profiles\andy_mortimer'
VISUAL = `vim'
_ = `/usr/bin/cygcheck'
TZ = `GMTST0GMTDT-1,M3.5.0/2,M10.5.0/3'

  (default) = 0x00000007
  PopupColors = 0x000000f5
  ColorTable00 = 0x00000000
  ColorTable01 = 0x00800000
  ColorTable02 = 0x00008000
  ColorTable03 = 0x00808000
  ColorTable04 = 0x00000080
  ColorTable05 = 0x00800080
  ColorTable06 = 0x00008080
  ColorTable07 = 0x00c0c0c0
  ColorTable08 = 0x00808080
  ColorTable09 = 0x00ff0000
  ColorTable10 = 0x0000ff00
  ColorTable11 = 0x00ffff00
  ColorTable12 = 0x000000ff
  ColorTable13 = 0x00ff00ff
  ColorTable14 = 0x0000ffff
  ColorTable15 = 0x00ffffff
  InsertMode = 0x00000001
  QuickEdit = 0x00000001
  FullScreen = 0x00000000
  ScreenBufferSize = 0x0bb80050
  WindowSize = 0x00190050
  FontSize = 0x000c0000
  FontFamily = 0x00000036
  FontWeight = 0x00000190
  FaceName = `Lucida Console'
  CursorSize = 0x00000019
  HistoryBufferSize = 0x00000032
  NumberOfHistoryBuffers = 0x00000004
  HistoryNoDup = 0x00000000
HKEY_CURRENT_USER\Software\Cygnus Solutions
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
  (default) = `/cygdrive'
  cygdrive flags = 0x00000020
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\00
  (default) = `E:\Temp'
  unix = `/tmp'
  fbinary = 0x00000000
  fsilent = 0x00000000
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\01
  (default) = `\\colossus\scratch'
  unix = `/scratch'
  fbinary = 0x00000001
  fsilent = 0x00000000
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\02
  (default) = `E:\localscratch'
  unix = `/localscratch'
  fbinary = 0x00000000
  fsilent = 0x00000000
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\03
  (default) = `\\.\tape1:'
  unix = `/dev/st1'
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\04
  (default) = `\\.\tape0:'
  unix = `/dev/st0'
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\05
  (default) = `\\.\b:'
  unix = `/dev/fd1'
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\06
  (default) = `\\.\a:'
  unix = `/dev/fd0'
  fbinary = 0x00000000
  fsilent = 0x00000001
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\07
  (default) = `C:\Cygnus\Cygwin-b20\H-i586-cygwin32'
  unix = `/'
  fbinary = 0x00000000
  fsilent = 0x00000000
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu\&Programs\Cygnus Solutions
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu\&Programs\Cygnus Solutions\Menu
  (default) = (unsupported type)
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/
  (default) = `C:/cygwin'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/c
  (default) = `c:'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/d
  (default) = `d:'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/e
  (default) = `E:'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/f
  (default) = `f:'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/g
  (default) = `g:'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
  (default) = `C:/cygwin/bin'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
  (default) = `C:/cygwin/lib'
  flags = 0x00000008
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin B20\B20.1
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\00
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\01
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\02
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\03
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\04
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\05
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\06
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\07
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\08
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\09
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0A
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0B
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0C
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0D
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0E
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0F
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\10
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\11
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\12
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\13
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\14
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\15
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\16
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\17
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\18
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\19
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1A
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1B
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1C
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1D
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro\i586-cygwin32
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro\i586-cygwin32\i586-cygwin32
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro\i586-cygwin32\i586-cygwin32\cygwin-B20.1
  (default) = `c:\cygnus\cygwin-b20'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Cygnus Cygwin B20
  (default) = `C:\WINNT\IsUninst.exe -fc:\cygnus\cygwin-b20\Uninst.isu'
  DisplayName = `Cygwin B20'

a:  fd           N/A    N/A                    
c:  hd  NTFS    4008Mb  83% CP CS UN PA FC     
d:  cd  CDFS     544Mb 100%    CS              DN60AENU2
e:  hd  NTFS   13350Mb  73% CP CS UN PA FC     
f:  cd           N/A    N/A                    
g:  hd  NTFS   17508Mb  69% CP CS UN PA FC     
j:  net NTFS    2047Mb   0% CP CS              home_devel
t:  net NTFS   31047Mb  99% CP CS UN PA FC     User space
u:  net NTFS   31047Mb  99% CP CS UN PA FC     User space

C:\cygwin\bin  /usr/bin  system  textmode
C:\cygwin\lib  /usr/lib  system  textmode
C:\cygwin  /        system  textmode
E:    /e       system  textmode
c:    /c       system  textmode
d:    /d       system  textmode
f:    /f       system  textmode
g:    /g       system  textmode

Found: C:\cygwin\bin\bash.exe
Found: C:\cygwin\bin\cat.exe
Found: C:\cygwin\bin\cpp.exe
Found: C:\cygwin\bin\find.exe
Found: C:\cygwin\bin\gcc.exe
Found: C:\cygwin\bin\gdb.exe
Found: C:\cygwin\bin\ld.exe
Found: C:\cygwin\bin\ls.exe
Found: C:\cygwin\bin\make.exe
Found: E:\Tools\CYGWIN32_NT\bin\make.exe
Warning: C:\cygwin\bin\make.exe hides E:\Tools\CYGWIN32_NT\bin\make.exe
Found: C:\cygwin\bin\sh.exe

   83k 2000/06/11 C:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitcl30.dll" v0.0 ts=2000/6/11 4:34
   35k 2000/06/11 C:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitk30.dll" v0.0 ts=2000/6/11 4:34
  402k 2000/06/11 C:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtcl80.dll" v0.0 ts=2000/6/11 4:30
    5k 2000/06/11 C:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
   10k 2000/06/11 C:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtclreg80.dll" v0.0 ts=2000/6/11 4:30
  639k 2000/06/11 C:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtk80.dll" v0.0 ts=2000/6/11 4:34
  586k 2000/08/04 C:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/8/4 1:53
    Cygwin DLL version info:
        dll major: 1001
        dll minor: 4
        dll epoch: 19
        dll bad signal mask: 19005
        dll old termios: 5
        api major: 0
        api minor: 26
        shared data: 3
        dll identifier: cygwin1
        mount registry: 2
        cygnus registry name: Cygnus Solutions
        cygwin registry name: Cygwin
        program options name: Program Options
        cygwin mount registry name: mounts v2
        build date: Thu Aug 3 20:53:46 EDT 2000
        CVS tag: cygwin-1-1-4
        shared id: cygwin1S3

  603k 1999/06/03 E:\Tools\CYGWIN32_NT\bin\cygwinb19.dll - os=4.0 img=1.0 sys=4.0
                  "cygwinb19.dll" v0.0 ts=1998/6/7 18:35
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