On Tue, 11 Feb 2014 12:00:56 -0500 Luiz Capitulino <lcapitul...@redhat.com> wrote:
> On Tue, 28 Jan 2014 14:21:53 +0800 > qiaonuohan <qiaonuo...@cn.fujitsu.com> wrote: > > > Hi, all > > > > The last version is here: > > http://lists.nongnu.org/archive/html/qemu-devel/2014-01/msg00209.html > > > > Command 'dump-guest-memory' was introduced to dump guest's memory. But the > > vmcore's format is only elf32 or elf64. The message is here: > > http://lists.gnu.org/archive/html/qemu-devel/2012-04/msg03379.html > > > > Compared with migration, the missing of compression feature means regression > > to 'dump-guest-memory'. So we post these patches to make > > 'dump-guest-memory' be > > able to dump guest's in kdump-compressed format. Then vmcore can be much > > smaller, and easily to be delivered. > > > > The kdump-compressed format is *linux specific* *linux standard* crash dump > > format used in kdump framework. The kdump-compressed format is readable only > > with the crash utility, and it can be smaller than the ELF format because of > > the compression support. To get more detailed information about > > kdump-compressed format, please refer to the following URL: > > http://sourceforge.net/projects/makedumpfile/ > > I did what was requested by Paolo. I applied patches 1 to 12 and will wait > for the rework on patch 13. Unfortunately this series doesn't build on 32-bit hosts, so I had to drop it from my queue (see error below). Can you please do the following: 1. Fix the build 2. Add new patch 13/13 to the series 3. Add Ekaterina's patch to your series Thanks. Here's the error message: ar: creating libfdt/libfdt.a /root/qmp-unstable/dump.c: In function ‘write_dump_pages’: /root/qmp-unstable/dump.c:1356:21: error: passing argument 2 of ‘compress2’ from incompatible pointer type [-Werror] Z_BEST_SPEED) == Z_OK) && (size_out < s->page_size)) { ^ In file included from /root/qmp-unstable/dump.c:28:0: /usr/include/zlib.h:1174:21: note: expected ‘uLongf *’ but argument is of type ‘size_t *’ ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, ^ cc1: all warnings being treated as errors make[1]: *** [dump.o] Error 1 make: *** [subdir-aarch64-softmmu] Error 2 make: *** Waiting for unfinished jobs.... /root/qmp-unstable/dump.c: In function ‘write_dump_pages’: /root/qmp-unstable/dump.c:1356:21: error: passing argument 2 of ‘compress2’ from incompatible pointer type [-Werror] Z_BEST_SPEED) == Z_OK) && (size_out < s->page_size)) { ^ In file included from /root/qmp-unstable/dump.c:28:0: /usr/include/zlib.h:1174:21: note: expected ‘uLongf *’ but argument is of type ‘size_t *’ ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, ^ cc1: all warnings being treated as errors make[1]: *** [dump.o] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [subdir-alpha-softmmu] Error 2
