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1.5.25: Random segfaults in unix tools



I'm using Cygwin to provide the UNIX utilities such as sed, awk, cut etc. to a Windows server. This process works correctly on our dev server, but when using the same shells and Cygwin install on our prod box these tools randomly segfault.

The processes will work a number of times (seemingly random), but after a few runs will invariably begin to segfault as shown below, the only solution is to bounce the box and we get a few more runs before futher segfaults.


Exception: STATUS_ACCESS_VIOLATION at eip=8B909090
eax=00000000 ebx=61168990 ecx=00000007 edx=00000000 esi=611689B8 edi=0022C900
ebp=0022C858 esp=0022C850 program=C:\cygwin\bin\cut.exe, pid 1620, thread main
cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B
Stack trace:
Frame Function Args
0022C858 8B909090 (611689B8, 61168990, 10000000, 61168990)
0022C888 61084107 (0022C900, 00000001, 00000001, 61168990)
0022C8B8 6108447D (00000000, 00000000, 6110941C, 7D61C92D)
0022CCE8 61096FB4 (00000000, 00000400, 00000000, 00000000)
0022CD98 6100552E (00000000, 0022CDD0, 61005450, 0022CDD0)
61005450 61004416 (0000009C, A02404C7, E8611021, FFFFFF48)
19 [main] cut 1620 _cygtls::handle_exceptions: Error while dumping state (probably corrupted stack)

What is causing the segfaults and how can it be resolved?

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http://clk.atdmt.com/UKM/go/msnnkmgl0010000007ukm/direct/01/

Attachment: cygcheck.out
Description: Text document

Attachment: bash.exe.stackdump
Description: Text document

Attachment: sed.exe.stackdump
Description: Text document

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