Return-Path: Received: from fieldses.org ([173.255.197.46]:35370 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964833AbbJVVTa (ORCPT ); Thu, 22 Oct 2015 17:19:30 -0400 Date: Thu, 22 Oct 2015 17:19:28 -0400 From: "J. Bruce Fields" To: Jeff Layton Cc: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Al Viro Subject: Re: [PATCH v6 00/19] nfsd: open file caching Message-ID: <20151022211928.GF5205@fieldses.org> References: <1445362432-18869-1-git-send-email-jeff.layton@primarydata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1445362432-18869-1-git-send-email-jeff.layton@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Looks like there's a leak--is this something you've seen already? This is on my current nfsd-next, which has some other stuff too. --b. [ 819.980697] kmem_cache_destroy nfsd_file_mark: Slab cache still has objects [ 819.981326] CPU: 0 PID: 4360 Comm: nfsd Not tainted 4.3.0-rc3-00040-ga6bca98 #360 [ 819.981969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140709_153950- 04/01/2014 [ 819.982805] ffff8800738d7d30 ffff8800738d7d20 ffffffff816053ac ffff880051ee5540 [ 819.983803] ffff8800738d7d58 ffffffff811813df ffff8800738d7d30 ffff8800738d7d30 [ 819.984782] ffff880074fd5e00 ffffffff822f9c80 ffff88007c64cf80 ffff8800738d7d68 [ 819.985751] Call Trace: [ 819.985940] [] dump_stack+0x4e/0x82 [ 819.986369] [] kmem_cache_destroy+0xef/0x100 [ 819.986899] [] nfsd_file_cache_shutdown+0x78/0xa0 [nfsd] [ 819.987513] [] nfsd_shutdown_generic+0x1d/0x20 [nfsd] [ 819.988100] [] nfsd_shutdown_net+0xdd/0x180 [nfsd] [ 819.988656] [] ? nfsd_shutdown_net+0x5/0x180 [nfsd] [ 819.989218] [] nfsd_last_thread+0x164/0x190 [nfsd] [ 819.989770] [] ? nfsd_last_thread+0x5/0x190 [nfsd] [ 819.990328] [] svc_shutdown_net+0x2e/0x40 [sunrpc] [ 819.990996] [] nfsd_destroy+0xd6/0x190 [nfsd] [ 819.991719] [] ? nfsd_destroy+0x5/0x190 [nfsd] [ 819.992373] [] nfsd+0x1c1/0x280 [nfsd] [ 819.992960] [] ? nfsd+0x5/0x280 [nfsd] [ 819.993537] [] ? nfsd_destroy+0x190/0x190 [nfsd] [ 819.994195] [] kthread+0xef/0x110 [ 819.994734] [] ? _raw_spin_unlock_irq+0x2c/0x50 [ 819.995439] [] ? kthread_create_on_node+0x200/0x200 [ 819.996129] [] ret_from_fork+0x3f/0x70 [ 819.996706] [] ? kthread_create_on_node+0x200/0x200 [ 819.998854] nfsd: last server has exited, flushing export cache [ 820.195957] NFSD: starting 20-second grace period (net ffffffff822f9c80)