[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] RE: produce windows compatible dump file from Dom0
IIRC Tim posted kdd a while ago which should allow generation of crash dumps from the VM without Windows doing anything at all. Paul > -----Original Message----- > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel- > bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of James Harper > Sent: 23 February 2011 11:07 > To: xen-devel@xxxxxxxxxxxxxxxxxxx > Subject: [Xen-devel] produce windows compatible dump file from Dom0 > > I'm interested in being able to produce a windows dump file from > Dom0, which would help immensely in tracking down crashes when they > happen. > What it would involve is: > > . PV driver would need to prepare a crash dump header via Windows > API (in advance, and then at crash dump time if possible), store it > in non-paged memory, and write the PFN out to xenstore . xc would > need to detect a parameter (eg -w), check for the value in xenstore, > then write out that as the header and then write out the rest of the > data in windows dump format. The header could also be detected by > scanning memory (eg if the crash happened before xenbus was able to > start) but would be a bit less reliable. > > It might also be possible to manufacture the header from Dom0, but I > can't say for sure. > > Does this feature or similar already exist in any incantations of > the > dom0 tools? > > If not, would it be considered for inclusion into some future > version of xen? > > Thanks > > James > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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