Re: makedumpfile 1.5.4, 734G kdump tests

Cliff Wickman
2013-07-10T18:27:53Z

On Wed, Jul 10, 2013 at 04:37:20PM +0400, Maxim Uvarov wrote:
> thanks. I also have a question about static support of snappy in
> makedumpfile.
>
> Dynamic linking works ok. But static link confuses snappy C++ library and
> C, and fails with:
> undefined reference to `__gxx_personality_v0' and undefined reference to
> new[].
>
> Is there workaround for that?
> gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC)

I think you'll have to install the libstdc++ devel rpm, such as
libstdc++-devel-4.4.7-3.el6.x86_64.rpm, to get libstdc++.a

And probably add -lstdc to the Makefile
LIBS := -lsnappy -lstdc++ $(LIBS)

> Maxim.
>
> 2013/7/10 HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
>
> > (2013/07/10 17:33), Maxim Uvarov wrote:
> >
> >> does crash tool read snappy compressed files?
> >>
> >>
> > Yes, but you need to specify libraries at build.
> >
> > http://people.redhat.com/**anderson/crash.changelog.html<http://people.redhat.com/anderson/crash.changelog.html>
> >
> > 6.0.9 - Fix for building on host machines that have glibc-2.15.90
> > installed,
> > <cut>
> >
> > - Add support for reading compressed kdump dumpfiles that were
> > compressed by the snappy compressor. This feature is disabled
> > by
> > default. To enable this feature, build the crash utility in the
> > following manner:
> > (1) Install the snappy libraries by using the host system's
> > package
> > manager or by directly downloading libraries from author's
> > website. The packages required are:
> > - snappy
> > - snappy-devel
> > The author's website is: http://code.google.com/p/**snappy<http://code.google.com/p/snappy>
> > (2) Create a CFLAGS.extra file and an LDFLAGS.extra file in
> > top-level
> > crash sources directory:
> > - enter -DSNAPPY in the CFLAGS.extra file
> > - enter -lsnappy in the LDFLAGS.extra file.
> > (3) Build crash with "make" as always.
> >
> > 6.0.7 - Enhanced the "search" command to allow the searched-for value
> > <cut>
> > - Add support to for reading dumpfiles compressed by LZO using
> > makedumpfile version 1.4.4 or later. This feature is disabled
> > by
> > default. To enable this feature, build the crash utility in the
> > following manner:
> > (1) Install the LZO libraries by using the host system's package
> > manager or by directly downloading libraries from author's
> > website. The packages required are:
> > - lzo
> > - lzo-minilzo
> > - lzo-devel
> > The author's website is: http://www.oberhumer.com/**
> > opensource/lzo <http://www.oberhumer.com/opensource/lzo>
> > (2) Create a CFLAGS.extra file and an LDFLAGS.extra file in
> > top-level
> > crash sources directory:
> > - enter -DLZO in the CFLAGS.extra file
> > - enter -llzo2 in the LDFLAGS.extra file.
> > (3) Build crash with "make" as always.
> >
> > --
> > Thanks.
> > HATAYAMA, Daisuke
> >
> >
>
>
> --
> Best regards,
> Maxim Uvarov

--
Cliff Wickman
SGI
cpw@sgi.com
(651) 683-3824