>>> On 25.08.17 at 19:14, <boris.ostrov...@oracle.com> wrote: > On 08/25/2017 09:40 AM, Jan Beulich wrote: >>>>> On 25.08.17 at 05:15, <osstest-ad...@xenproject.org> wrote: >>> flight 112855 xen-unstable real [real] >>> http://logs.test-lab.xenproject.org/osstest/logs/112855/ >>> >>> Regressions :-( >>> >>> Tests which did not succeed and are blocking, >>> including tests which could not be run: >>> test-amd64-i386-examine 7 reboot fail REGR. vs. >>> 112809 >>> test-amd64-i386-freebsd10-amd64 7 xen-boot fail REGR. vs. >>> 112809 >> These two are watchdog NMIs during the loading of Dom0. Most >> likely candidate for introducing the issue is Boris' scrub series. > > > I haven't been able to reproduce this but perhaps adding > process_pending_softirqs() in alloc_heap_pages() and free_heap_pages() > loops if CONFIG_SCRUB_DEBUG is set might help?
That's possible, but might as well only be papering over a deeper issue, e.g. ... > One other thing that also comes to mind is that there is probably no > reason to scrub (and in some cases poison) pages during dom0 creation. ... this one: Iirc before your series Dom0 pages weren't being scrubbed, and imo this property ought to be retained (also if any other boot time allocations now suddenly got scrubbed). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
