Hi all, On Tue, 25 Aug 2020 13:03:53 +0530 Naresh Kamboju <[email protected]> wrote: > > On Mon, 24 Aug 2020 at 16:36, Matthew Wilcox <[email protected]> wrote: > > > > On Mon, Aug 24, 2020 at 03:14:55PM +0530, Naresh Kamboju wrote: > > > [ 67.545247] BUG: Bad page state in process true pfn:a8fed > > > [ 67.550767] page:9640c0ab refcount:0 mapcount:-1024 > > > > Somebody freed a page table without calling __ClearPageTable() on it. > > After running git bisect on this problem, > The first suspecting of this problem on arm architecture this patch. > 424efe723f7717430bec7c93b4d28bba73e31cf6 > ("mm: account PMD tables like PTE tables ") > > Reported-by: Naresh Kamboju <[email protected]> > Reported-by: Anders Roxell <[email protected]> > > Additional information: > We have tested linux next by reverting this patch and confirmed > that the reported BUG is not reproduced. > > These configs enabled on the running device, > > CONFIG_TRANSPARENT_HUGEPAGE=y > CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y > > > -- Suspecting patch -- > commit 424efe723f7717430bec7c93b4d28bba73e31cf6 > Author: Matthew Wilcox <[email protected]> > Date: Thu Aug 20 10:01:30 2020 +1000 > > mm: account PMD tables like PTE tables
OK, I have reverted that patch from todays' linux-next. -- Cheers, Stephen Rothwell
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