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On Wed, 27 Jun 2007, Corinna Vinschen wrote: > On Jun 27 09:22, Brian Ford wrote: > > On Wed, 27 Jun 2007, Corinna Vinschen wrote: > > > On Jun 22 12:16, Brian Ford wrote: > > > > On Wed, 6 Jun 2007, Brian Ford wrote: > > > > > 6 [main] ? (1584) C:\cygwin\bin\make.exe: *** fatal error - couldn't > > > > > allocate heap, Win32 error 487, base 0x680000, top 0x6B0000, reserve_size > > > > > 192512, allocsize 196608, page_const 4096 > > > > > 585603 [main] make 1736 fork: child -1 - died waiting for longjmp before > > > > > initialization, retry 0, exit code 0x100, errno 11 > > > >[...] > > > > I'm pretty sure I've identified the change, but I don't see any > > > > obvious cause. Corinna, do you have any suggestions about where > > > > to target or how to specifically dig deeper? Thanks. > > > > > > > > http://cygwin.com/ml/cygwin-cvs/2007-q1/msg00139.html > > > > > > I can't reproduce this problem on XP, > > > > > > Or, did you try if setting the heap_slop_in_mb registry value to some > > > different value (default 0 up to XP, 4 since 2K3) helps? > > > > I'll give it a try, but I guess I'd like to find out what the conflict is. > > Any tips on how to catch this in the debugger or if inserting some sort of > > vitual query would be informative? > > Not really, except for the obvious. Try to find out what already uses > the address area which is used as heap in the parent I attained the following output from the attached patch: 7 [main] ? (4876) heap_init: baseAddr: 0x680000 171 [main] ? (4876) heap_init: allocBase: 0x670000 347 [main] ? (4876) heap_init: allocProt: 0x20 425 [main] ? (4876) heap_init: regionSize:0xA7000 502 [main] ? (4876) heap_init: state: 0x1000 614 [main] ? (4876) heap_init: protect: 0x20 693 [main] ? (4876) heap_init: type: 0x40000 778 [main] ? (4876) C:\cygwin\bin\make.exe: *** fatal error - couldn't allocate heap, Win32 error 487, base 0x680000, top 0x6B0000, reserve_size 192512, allocsize 196608, page_const 4096 I know this isn't much to go on, but just in case... >, and perhaps why. I really wish I had more than a few minutes a week to spend on this :-(. Perhaps then I'll be able to figure it out. > You could also try to eliminate any change from > http://cygwin.com/ml/cygwin-cvs/2007-q1/msg00139.html which is not > related to your problem, so that only the exact change causing it is > highlighted. That might give us an idea, hopefully. You don't have any suggestions for how to best separate the patch into pieces do you? -- Brian Ford Lead Realtime Software Engineer VITAL - Visual Simulation Systems FlightSafety International the best safety device in any aircraft is a well-trained crew...
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heap_debug_patch.txt
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