From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.codeaurora.org ([198.145.11.231]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WpuhP-0007UW-7O for linux-mtd@lists.infradead.org; Thu, 29 May 2014 07:24:28 +0000 From: "Dolev Raviv" To: "'hujianyang'" , "'Artem Bityutskiy'" References: <1396260879.9016.70.camel@sauron.fi.intel.com> <533A5407.4060900@codeaurora.org> <1396871016.17040.33.camel@sauron.fi.intel.com> <789ed0034a7f4aa993addb2bc8c7e914.squirrel@www.codeaurora.org> <538693AD.5070606@huawei.com> In-Reply-To: <538693AD.5070606@huawei.com> Subject: RE: ubifs: assertion fails Date: Thu, 29 May 2014 10:24:01 +0300 Message-ID: <004001cf7b0e$f839a640$e8acf2c0$@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Language: en-us Cc: 'linux-mtd' List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, I still see this. I was blocked recently by other tasks. I guess I'll get to it in the near future. If you have an insight on this it will be very helpful. Thanks, Dolev -- QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -----Original Message----- From: hujianyang [mailto:hujianyang@huawei.com] Sent: Thursday, May 29, 2014 4:56 AM To: Dolev Raviv; Artem Bityutskiy Cc: linux-mtd Subject: Re: ubifs: assertion fails Hi Dolev and Artem, I hit the same assert failed in Kernel v3.10 shows like this: [ 9641.164028] UBIFS assert failed in shrink_tnc at 131 (pid 13297) [ 9641.234078] CPU: 1 PID: 13297 Comm: mmap.test Tainted: G O 3.10.40 #1 [ 9641.234116] [] (unwind_backtrace+0x0/0x12c) from [] (show_stack+0x20/0x24) [ 9641.234137] [] (show_stack+0x20/0x24) from [] (dump_stack+0x20/0x28) [ 9641.234188] [] (dump_stack+0x20/0x28) from [] (shrink_tnc_trees+0x25c/0x350 [ubifs]) [ 9641.234265] [] (shrink_tnc_trees+0x25c/0x350 [ubifs]) from [] (ubifs_shrinker+0x25c/0x310 [ubifs]) [ 9641.234307] [] (ubifs_shrinker+0x25c/0x310 [ubifs]) from [] (shrink_slab+0x1d4/0x2f8) [ 9641.234327] [] (shrink_slab+0x1d4/0x2f8) from [] (do_try_to_free_pages+0x300/0x544) [ 9641.234344] [] (do_try_to_free_pages+0x300/0x544) from [] (try_to_free_pages+0x2d0/0x398) [ 9641.234363] [] (try_to_free_pages+0x2d0/0x398) from [] (__alloc_pages_nodemask+0x494/0x7e8) [ 9641.234382] [] (__alloc_pages_nodemask+0x494/0x7e8) from [] (new_slab+0x78/0x238) [ 9641.234400] [] (new_slab+0x78/0x238) from [] (__slab_alloc.constprop.42+0x1a4/0x50c) [ 9641.234419] [] (__slab_alloc.constprop.42+0x1a4/0x50c) from [] (kmem_cache_alloc_trace+0x54/0x188) [ 9641.234459] [] (kmem_cache_alloc_trace+0x54/0x188) from [] (do_readpage+0x168/0x468 [ubifs]) [ 9641.234553] [] (do_readpage+0x168/0x468 [ubifs]) from [] (ubifs_readpage+0x424/0x464 [ubifs]) [ 9641.234606] [] (ubifs_readpage+0x424/0x464 [ubifs]) from [] (filemap_fault+0x304/0x418) [ 9641.234638] [] (filemap_fault+0x304/0x418) from [] (__do_fault+0xd4/0x530) [ 9641.234665] [] (__do_fault+0xd4/0x530) from [] (handle_pte_fault+0x480/0xf54) [ 9641.234690] [] (handle_pte_fault+0x480/0xf54) from [] (handle_mm_fault+0x140/0x184) [ 9641.234716] [] (handle_mm_fault+0x140/0x184) from [] (do_page_fault+0x150/0x3ac) [ 9641.234737] [] (do_page_fault+0x150/0x3ac) from [] (do_DataAbort+0x3c/0xa0) [ 9641.234759] [] (do_DataAbort+0x3c/0xa0) from [] (__dabt_usr+0x38/0x40) Did you fix it in recent patches? If not, I will take some times on it. I hit this when I was doing stress test, only once and no other failed messages. I haven't do umount or rmmod until now so I don't know further information about it. Thanks! Hu