Hello Norbert, Thank you for your work. But, I don't know much about Xen, so I want to ask for help from Zhangfengwei and other experts in Xen. Thanks Atsushi Kumagai On Fri, 22 Jun 2012 17:18:05 +0200 Norbert Trapp <Norbert.Trapp at ts.fujitsu.com> wrote: > > Saving just the dom0 and Xen pages is a good idea because usually > the crash can be analysed in dom0 and saving just the Xen and dom0 pages > allows the machine to restart quickly. > > makedumpfile needs to be modified to exclude domU pages when using Xen4 > since the Xen implementation has changed. The Xen version can be determined > in the kcore file and then either Xen3 or Xen4 functions are used. The other > modifications are based on the goal of quickly finding the dom0 and Xen pages. > > The domU page exclusion for Xen4 is implemented so far just for x86_64. > > The kvtop_xen_x86_64 modification for a faster method to run through the page > table (last_p.._read) was seen in the crash utility source code. > > arch/x86_64.c | 244 ++++++++++++++++++++++++++++---------- > elf_info.c | 2 + > makedumpfile.c | 362 ++++++++++++++++++++++++++++++++++++++++++++++++++++---- > makedumpfile.h | 79 +++++++++++-- > 4 files changed, 591 insertions(+), 96 deletions(-) > > With kind regards > > Norbert Trapp > PDG ES&S SWE OS 6 > > FUJITSU > Fujitsu Technology Solutions GmbH > Domagkstrasse 28, D-80807 Muenchen, Germany > E-mail: Norbert.Trapp at xxxxxxxxxxxxxx > Web: ts.fujitsu.com > Company details: ts.fujitsu.com/imprint > Please be advised that neither Fujitsu, its affiliates, its employees or agents accept liability for any errors, > omissions or damages caused by delays of receipt or by any virus infection in this message or its attachments, > or which may otherwise arise as a result of this e-mail transmission. > > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec
