From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: Re: UBIFS assert failed in ubifs_set_page_dirty at 1421 Date: Mon, 24 Nov 2014 15:27:55 +0200 Message-ID: <20141124132755.GA3167@node.dhcp.inet.fi> References: <1413805935.7906.225.camel@sauron.fi.intel.com> <1413810719.7906.268.camel@sauron.fi.intel.com> <545C2CEE.5020905@huawei.com> <20141120123011.GA9716@node.dhcp.inet.fi> <20141124091024.GA1190@node.dhcp.inet.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Hujianyang , "dedekind1@gmail.com" , Caizhiyong , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "Wanli (welly)" , "linux-mtd@lists.infradead.org" , "adrian.hunter@intel.com" To: Jijiagang Return-path: Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org 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@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org