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Subject:	RE: Bash login breaks if too many environment variables are set
Date:	Fri, 16 Sep 2005 21:55:47 +0200
Message-ID:	<67B13185D126644BA1AC929BE1F942AD7A5B56@dekomplm001.net.plm.eds.com>
From:	"Hommersom, Fred" <fhommers AT ugs DOT com>
To:	<cygwin AT cygwin DOT com>
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id j8GJvBOC010799

>>You can help by running the new snapshot under strace, like you did before.

I have done three tests:
below the maximum
exactly the maximum
over the maximum

**********************************************
Here are the results of the test below the maximum 
**********************************************
Program name: c:\cygwin\bin\bash.exe (pid 3260, ppid 1)
App version:  1005.18, api: 0.132
DLL version:  1005.19, api: 0.138
DLL build:    20050916 12:02:10SNP
OS version:   Windows NT-5.1
Heap size:    1073741824
Date/Time:    2005-09-16 21:41:35
**********************************************
   23     240 [main] bash 3260 set_myself: myself->dwProcessId 3260
   20     260 [main] bash 3260 time: 1126899695 = time (0)
  496     756 [main] bash 3260 environ_init: GetEnvironmentStrings returned 0x2452F8 - "=C:=C:\Data\locations\tc50_custy00"
   36     792 [main] bash 3260 environ_init: 0x10010238: !C:=C:\Data\locations\tc50_custy00
   32     824 [main] bash 3260 environ_init: 0x10010260: ACD=C:\Data\TC\TC50\support\acd
....many more lines



**********************************************
Here are the results for the exact number where it went wrong.
**********************************************

*** internal error reading the windows environment - too many environment variables?

**********************************************
Program name: c:\cygwin\bin\bash.exe (pid 3140, ppid 1)
App version:  1005.18, api: 0.132
DLL version:  1005.19, api: 0.138
DLL build:    20050916 12:02:10SNP
OS version:   Windows NT-5.1
Heap size:    1073741824
Date/Time:    2005-09-16 21:37:00
**********************************************
   26     538 [main] bash 3140 set_myself: myself->dwProcessId 3140
   24     562 [main] bash 3140 time: 1126899420 = time (0)
14408   14970 [main] bash 3140 environ_init: GetEnvironmentStrings returned 0x2452F8 - "x
$"
   46   15016 [main] bash 3140 environ_init: 0x10010238: X
$
   35   15051 [main] bash 3140 environ_init: 0x10010248: ðH$
   76   15127 [main] bash 3140 handle_exceptions: In cygwin_except_handler exc 0xC0000005 at 0x610D6BD1 sp 0x22ED64
   24   15151 [main] bash 3140 handle_exceptions: In cygwin_except_handler sig 11 at 0x610D6BD1
   21   15172 [main] bash 3140 handle_exceptions: In cygwin_except_handler calling 0x0



**********************************************
Here are the results if the environment size is increased by 10 characters
No error message in the window. bash quits immediately. The environmentstring is truncated.

**********************************************
Program name: c:\cygwin\bin\bash.exe (pid 568, ppid 1)
App version:  1005.18, api: 0.132
DLL version:  1005.19, api: 0.138
DLL build:    20050916 12:02:10SNP
OS version:   Windows NT-5.1
Heap size:    1073741824
Date/Time:    2005-09-16 21:44:55
**********************************************
   23     282 [main] bash 568 set_myself: myself->dwProcessId 568
   20     302 [main] bash 568 time: 1126899895 = time (0)
  408     710 [main] bash 568 environ_init: GetEnvironmentStrings returned 0x2552F8 - "=C:=C:\Data\location"
   35     745 [main] bash 568 environ_init: 0x10010238: !C:=C:\Data\location

no more lines in this trace

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