>>> On 07.12.16 at 17:18, <jgr...@suse.com> wrote: > On 07/12/16 17:10, Sven Köhler wrote: >> Am 28.09.2016 um 05:50 schrieb Juergen Gross: >>> On 28/09/16 01:33, Sven Köhler wrote: >>>> Am 27.09.2016 um 14:52 schrieb Juergen Gross: >>>>> On 27/09/16 14:09, Sven Köhler wrote: >>>>>> Am 27.09.2016 um 14:02 schrieb Juergen Gross: >>>>>>> On 27/09/16 13:13, Sven Köhler wrote: >>>>>>>> Am 27.09.2016 um 07:31 schrieb Juergen Gross: >>>>>>>>> On 27/09/16 00:48, Sven Köhler wrote: >>>>>>>>>> Am 26.09.2016 um 07:43 schrieb Juergen Gross: >>>>>>>>>>> On 25/09/16 18:04, Sven Köhler wrote: >>>>>>>>>>>> Hi, >>>>>>>>>>>> >>>>>>>>>>>> I'm experiencing the bug below which was discussed on xen-devel >>>>>>>>>>>> December >>>>>>>>>>>> last year buy Ian and Juergen. I'm using xen-pvgrub-4.7.0 on >>>>>>>>>>>> Gentoo. >>>>>>>>>>>> >>>>>>>>>>>> The bug only seems to occur with the last domU booted on my >>>>>>>>>>>> machine. >>>>>>>>>>>> Where do I find a patch that fixes that? >>>>>>>>>>> >>>>>>>>>>> The issue back in December was fixed by commit >>>>>>>>>>> c8eb0ec277ae387e78d685523e0fee633e46f046 which is included in Xen >>>>>>>>>>> 4.7. >>>>>>>>>>> Either gentoo didn't update to the official Xen 4.7 release >>>>>>>>>>> (including >>>>>>>>>>> pvgrub) or you are seeing a new issue. >>>>>>>>>> >>>>>>>>>> From the looks of it, the Gentoo package is using the grub from the >>>>>>>>>> xen-4.7.0 tarball. >>>>>>>>>> >>>>>>>>>> I downgraded to pvgrub 4.6.3 and the problem went away. >>>>>>>>>> >>>>>>>>>> So I assume I'm seeing a new issue. How do I debug it? >>>>>>>>> >>>>>>>>> Interesting. Just tested it on upstream Xen and saw the same problem >>>>>>>>> with a rather old guest kernel (3.0 based, xen flavor), while a newer >>>>>>>>> kernel (4.1, pvops) is working. >>>>>>>>> >>>>>>>>> Can you give me some more details about the kernel you are trying to >>>>>>>>> boot? >>>>>>>> >>>>>>>> It's an unmodified 4.4.21 kernel which I compile by hand. The config is >>>>>>>> attached. Does that help? >>>>>>> >>>>>>> Not really. OTOH I think I don't need more help, as I've found a problem >>>>>>> in pvgrub. I have a patch which seems to correct the issue. Are you fine >>>>>>> with me adding you as the original reporter of the problem in the patch? >>>>>> >>>>>> Yes, I'm fine with adding me as the reporter. >>>>>> Do you want me to test the patch first? >>>>> >>>>> Sure. The attached patch is for Xen upstream, but I think it should >>>>> apply to Xen 4.7, too. >>>> >>>> This patch solved the issue for me. My domU boots fine again after >>>> recompiling pvgrub with the patch applied. >>>> >>>> Thanks! >>> >>> Thank you for the test! >> >> It seems this patch was not included in 4.7.1. That's a shame, cause I >> ran into the same issue after upgrading to 4.7.1. > > Right. Jan, could you please include the patch for 4.7.2? Upstream > commit was 9714f6b87e19b32d3a6663a20df6610265c4bfe5.
Samuel, could you confirm that this is okay to backport. In which case the question then is whether 4.6.5 should get it too - with p2m_seg mentioned no-where else under stubdom/ I can't really tell where this is coming from. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
