[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2] xen, kdump: handle pv domain in paddr_vmcoreinfo_note()
On Mon, 10 Apr 2017 22:49:33 +0200 Daniel Kiper <daniel.kiper@xxxxxxxxxx> wrote: > On Fri, Apr 07, 2017 at 11:16:22AM +0200, Petr Tesarik wrote: > > On Wed, 5 Apr 2017 13:13:00 +0200 > > Petr Tesarik <ptesarik@xxxxxxxx> wrote: > > > > > On Tue, 4 Apr 2017 12:42:53 -0700 (PDT) > > > Daniel Kiper <daniel.kiper@xxxxxxxxxx> wrote: > > > > > >[...] > > > > So, if Petr did relevant tests that is nice. However, then, IMO, this > > > > patch begs Petr Tested-by. > > > > > > Actually, I tested with this patch applied on top of kernel 4.4 (SLES > > > 12 SP2). It matches what traditional Xen had always done, so I am quite > > > confident it will work with a later kernel, but to give my Tested-by, > > > let me first re-run the test on master, hopefully until today EOB. > > > > It took me much longer than anticipated (I had some trouble setting up > > the host again), but I can confirm that the patch works as expected on > > No problem. I know how it works. > > > top of 4.11-rc5. > > Great! > > > Without the patch, makedumpfile in the crash kernel complains: > > > > /proc/vmcore doesn't contain vmcoreinfo. > > Though, I would like to ask you to do crash tool tests too. > Could you do that? I'm not sure what kind of tests you want me to perform. I'm not able to save a dump file without the patch. Well ... I could reserve enough memory to launch a crash session directly in the kdump environment. I'll get to you later. > > With the patch applied, dumping still fails later because of an > > unrelated bug in makedumpfile, but I was able to extract the kernel > > message buffer with "makedumpfile --dump-dmesg". This already confirms > > VMCOREINFO presence and usability. > > Is it Xen specific issue or more generic one? It is Xen-specific, and I even have a patch now, about to be sent to the kexec ML. Petr T _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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