1.7.10s 20110729 - problem listing services in /proc

David Rothenberger daveroth@acm.org
Fri Jul 29 22:42:00 GMT 2011


On 7/29/2011 3:36 PM, Yaakov (Cygwin/X) wrote:
> On Fri, 2011-07-29 at 22:21 +0200, Corinna Vinschen wrote:
>> On Jul 29 11:58, David Rothenberger wrote:
>>> With the 20110729 snapshot (and some earlier ones), the following
>>> command terminates early.
>>>
>>> % find /proc/registry/HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/services -maxdepth 1 -print
>>>
>>> strace lists an exception: "exception C0000005 at 6100296A". This is
>>> occurring for me in both Win7 x64 and WinXP x86. It doesn't occur in
>>> either environment using 1.7.9.
>>
>> I can't reproduce this.  Address 6100296A points to a double free on
>> the cygheap, alternativly an overwritten memeory slot on the cygheap.
>> Without being able to duplicate the problem it's rather hard to find.
>> Can you try earlier snapshots to find out in what timeframe this 
>> problem has been introduced?  An strace might be helpful as well.
> 
> I did have C0000005 exceptions with the 20110729 snapshot with seemingly
> all fork() calls, which I don't have with 1.7.9.  I'm running Win7 SP1
> x64 with large-address-aware executables and DLLs rebased above
> 0x80000000.  I won't be able to diagnose this further until after the
> weekend.

For what it's worth, I was also running the 20110729 snapshot on Win7
SP1 x64 with large-address-aware executables and DLLs rebased above
0x80000000, and this was the only regular problem I was seeing.

-- 
David Rothenberger  ----  daveroth@acm.org

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