The issue appears to be caused by mmap no longer supporting 0-length file
mapping in linux kernel 2.6.12.
See this webpage:
http://www.linuxhq.com/kernel/v2.6/12-rc1-bk6/mm/mmap.c
diff -Nru a/mm/mmap.c b/mm/mmap.c
--- a/mm/mmap.c 2005-03-10 00:38:22 -08:00
+++ b/mm/mmap.c 2005-03-28
Here are the details from the kernel changelog:
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12
commit d11cf326bd5e785cc5a3f5a3d3f4e3a5522f4fb7
Author: Zhang Yanmin <[EMAIL PROTECTED]>
Date: Sun May 22 17:47:00 2005 -0700
[IA64] sys_mmap doesn't follow posix.1
I'm debugging the quelcom source code, have tracked the issue down to this
section:
FILE: libs/qfile.cc
FUNCTION: qfile::qfile(string filename, u_int32_t f)
LOGIC:
if ((map=(caddr_t)mmap((caddr_t)
0,size,mapflags,MAP_SHARED,fd,0))==MAP_FAILED) {
close(fd);
throw qexceptio
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