[Bug 25428] New: Memory allocation issue when working with a PAE kernel
wine-bugs at winehq.org
wine-bugs at winehq.org
Sun Dec 5 04:46:18 CST 2010
http://bugs.winehq.org/show_bug.cgi?id=25428
Summary: Memory allocation issue when working with a PAE kernel
Product: Wine
Version: 1.3.7
Platform: x86
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: -unknown
AssignedTo: wine-bugs at winehq.org
ReportedBy: iliverez at gmail.com
Created an attachment (id=32366)
--> (http://bugs.winehq.org/attachment.cgi?id=32366)
Memory allocation test program.
It seems that when using wine with A PAE kernel on a system with enough memory
to put PAE into effect (e.g. 5GB), the maximum limit of memory that an
application can allocate is about 1.5GB. Using the same kernels on the same
system but with 3GB, the limit is 2GB.
I have created a small test that allocates memory with a step of 64MB with a
maximum total allocated space of 2GB. Then I compiled it both with winegcc and
gcc.
On the 3GB RAM setup, I could reach the MAX value, both with the winegcc and
the gcc compiled executable
On the 5GB RAM setup, the winegcc version stopped at ~1.5, while the gcc
version reached the MAX value.
Kernels tested:
2.6.31.12-rt21-avlinux-realtime-pae-rev3
2.6.36-liquorix-avlinux-pae
Wine versions tested:
1.3.5, 1.3.7
Known applications affected by this issue:
NI Kontakt 4
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