From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760334Ab0J0Dz4 (ORCPT ); Tue, 26 Oct 2010 23:55:56 -0400 Received: from mx3-phx2.redhat.com ([209.132.183.24]:53633 "EHLO mx3-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752522Ab0J0Dzu (ORCPT ); Tue, 26 Oct 2010 23:55:50 -0400 Date: Tue, 26 Oct 2010 23:55:44 -0400 (EDT) From: caiqian@redhat.com To: linux-mm Cc: npiggin , linux-kernel Message-ID: <980303336.519221288151744899.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <314680146.519081288151589117.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> Subject: inode scaling series broke zram MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [10.5.5.71] X-Mailer: Zimbra 5.0.21_GA_3150.RHEL4_64 (ZimbraWebClient - FF3.0 (Linux)/5.0.21_GA_3150.RHEL4_64) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After applied the inode scaling series (http://lkml.org/lkml/2010/10/19/15) on top of linus's tree, "modprobe zram" threw those warnings, zram: module is from the staging directory, the quality is unknown, you have been warned. zram: num_devices not specified. Using default: 1 zram: Creating 1 devices ... ------------[ cut here ]------------ WARNING: at lib/list_debug.c:26 __list_add+0x6d/0xa0() Hardware name: KVM list_add corruption. next->prev should be prev (ffffffff81a636a0), but was (null). (next=ffff88020a5c1950). Modules linked in: zram(C+) veth snd_seq_dummy tun autofs4 sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_mirror dm_region_hash dm_log virtio_balloon pcspkr snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc 8139too 8139cp mii i2c_piix4 i2c_core sg ext4 mbcache jbd2 floppy virtio_blk sd_mod crc_t10dif virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mod [last unloaded: speedstep_lib] Pid: 10267, comm: modprobe Tainted: G WC 2.6.36vfs+ #2 Call Trace: [] warn_slowpath_common+0x7f/0xc0 [] warn_slowpath_fmt+0x46/0x50 [] __list_add+0x6d/0xa0 [] ? zram_init+0x0/0x27e [zram] [] __percpu_counter_init+0x56/0x70 [] bdi_init+0x10a/0x190 [] ? zram_init+0x0/0x27e [zram] [] blk_alloc_queue_node+0x79/0x190 [] blk_alloc_queue+0x13/0x20 [] zram_init+0xf2/0x27e [zram] [] do_one_initcall+0x43/0x190 [] sys_init_module+0xbb/0x200 [] system_call_fastpath+0x16/0x1b ---[ end trace 84534d674448c5db ]--- zram: Invalid ioctl 21297 CAI Qian