[Xen-devel] Supporting large dump files

["Graham, Simon" <Simon.Graham@xxxxxxxxxxx>]

This may have come up before but I can't find it - with the default
build of Xen, libxc is built in a way that does not support large files
- this is a problem currently when attempting to dump domains larger
than 2GB - the dump eventually fails with:

[root@teller diag]# xm dump-core penn1
Dumping core of domain: penn1 ...
Error: Failed to dump core: (27, 'File too large')

My (admittedly limited) knowledge of this area leads me to the need to
define _FILE_OFFSET_BITS as 64; is there any issue with turning this on
for the tools/libxc build? Is there any other #define that should be
used instead of or in addition to this one?

Simon

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