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To: cygwin AT cygwin DOT com
From: Christian Franke <Christian DOT Franke AT t-online DOT de>
Subject: rebase-4.4.3-1 regression: Too many DLLs for available address space
Message-ID: <98715417-cabe-7b0f-8767-fd114cc929e8@t-online.de>
Date: Thu, 11 Jan 2018 13:32:20 +0100
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After 4.4.3-1 upgrade, rebase always fails on 32- and 64-bit Cygwin:

$ rebase -s -T /var/cache/rebase/rebase_all
rebase: Too many DLLs for available address space: Cannot allocate memory

Using /bin/rebaseall does not help.

A downgrade to 4.4.2-1 fixes the problem.

The DLL address range on 32-bit Cygwin looks sane:

$ rebase -si
/usr/libexec/coreutils/libstdbuf.so   base 0x436b0000 size 0x0000b000
/usr/lib/zsh/5.3/zsh/zutil.dll        base 0x436c0000 size 0x0000e000
...
/usr/bin/cygEMF-1.dll                 base 0x6ff80000 size 0x00034000
/usr/bin/cygEGL-1.dll                 base 0x6ffc0000 size 0x00039000


Christian

PS: rebase should possibly warn/fail if a 32bit DLL would need to be 
rebased < 0x38000000.
Recent tests on Win10 1703 show that LoadLibrary() always loads such 
DLLs to other locations.


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