On Mon, Nov 24, 2014 at 10:20:59AM +0000, Jijiagang wrote: > Hi Kirill, > I test your patch, bus there's no dump_vma definition. > The log is here, hope it will be helpful. > > page:817fd7e0 count:3 mapcount:1 mapping:a318bb8c index:0x4 > page flags: 0xa19(locked|uptodate|dirty|arch_1|private) > pte_write: 1 > page:81441a80 count:3 mapcount:1 mapping:a318bb8c index:0x5 > page flags: 0x209(locked|uptodate|arch_1) > pte_write: 1 Okay, pte is writable but page is not dirty and doesn't have private flag set. I looked through code and don't see how that could happen. > UBIFS assert failed in ubifs_set_page_dirty at 1422 (pid 545) > CPU: 2 PID: 545 Comm: kswapd0 Tainted: P O 3.10.0_s40 #19 Is it possible to reproduce the issue on current upstream without any patches or third-party modules? -- Kirill A. Shutemov -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>