From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f41.google.com (mail-oi0-f41.google.com [209.85.218.41]) by kanga.kvack.org (Postfix) with ESMTP id E34449003C8 for ; Tue, 14 Jul 2015 05:28:29 -0400 (EDT) Received: by oiab3 with SMTP id b3so2633249oia.1 for ; Tue, 14 Jul 2015 02:28:29 -0700 (PDT) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com. [119.145.14.66]) by mx.google.com with ESMTPS id f124si390884oih.59.2015.07.14.02.28.27 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 14 Jul 2015 02:28:29 -0700 (PDT) Message-ID: <55A4D55A.2080903@huawei.com> Date: Tue, 14 Jul 2015 17:24:42 +0800 From: Xishi Qiu MIME-Version: 1.0 Subject: Re: [E1000-devel] bad pages when up/down network cable References: <55A4C8F1.4000104@huawei.com> In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: zhuyj Cc: Linux MM , LKML , guozhibin 00179312 , linux.nics@intel.com, "e1000-devel@lists.sourceforge.net" On 2015/7/14 17:00, zhuyj wrote: > Do you use the default ixgbe driver? or the ixgbe driver is modified by you? > Yesi 1/4 ?no modify. Thanks, Xishi Qiu > On Tue, Jul 14, 2015 at 4:31 PM, Xishi Qiu > wrote: > > 1a??the host directly link to the storage devicei 1/4 ?by intel ixgbe NIC; > between them, no switch or router. > 2a??the nic of the storage device suddenly become unused and then OK > after a little time, this happened frequency. > 3a??the host printk a lot of message like these: > > The kernel is SUSE 3.0.13, use slab, and the following log shows the > page still have PG_slab when free_pages(). Does anyone have seen the > problem? > > Jul 9 11:31:36 root kernel: [1042291.977565] BUG: Bad page state in process swapper pfn:00bf2 > Jul 9 11:31:36 root kernel: [1042291.977568] page:ffffea0000029cf0 count:0 mapcount:0 mapping: (null) index:0x7f6d4f500 > Jul 9 11:31:36 root kernel: [1042291.977571] page flags: 0x40000000000100(slab) // here is the reason > Jul 9 11:31:36 root kernel: [1042291.977574] Pid: 0, comm: swapper Tainted: G B X 3.0.13-0.27-default #1 > Jul 9 11:31:36 root kernel: [1042291.977577] Call Trace: > Jul 9 11:31:36 root kernel: [1042291.977583] [] dump_trace+0x75/0x300 > Jul 9 11:31:36 root kernel: [1042291.977639] [] dump_stack+0x69/0x6f > Jul 9 11:31:36 root kernel: [1042291.977644] [] bad_page+0xb1/0x120 > Jul 9 11:31:37 root kernel: [1042291.977649] [] free_pages_prepare+0xe6/0x110 > Jul 9 11:31:37 root kernel: [1042291.977654] [] free_hot_cold_page+0x49/0x1f0 > Jul 9 11:31:37 root kernel: [1042291.977660] [] skb_release_data+0xb4/0xe0 > Jul 9 11:31:37 root kernel: [1042291.977665] [] __kfree_skb+0x9/0x90 > Jul 9 11:31:37 root kernel: [1042291.977676] [] ixgbe_clean_tx_irq+0xa9/0x480 [ixgbe] > Jul 9 11:31:37 root kernel: [1042291.977693] [] ixgbe_poll+0x4b/0x1a0 [ixgbe] > Jul 9 11:31:37 root kernel: [1042291.977705] [] net_rx_action+0x10a/0x2c0 > Jul 9 11:31:37 root kernel: [1042291.977711] [] __do_softirq+0xef/0x220 > Jul 9 11:31:37 root kernel: [1042291.977716] [] call_softirq+0x1c/0x30 > Jul 9 11:31:37 root kernel: [1042291.978974] DWARF2 unwinder stuck at call_softirq+0x1c/0x30 > > Thanks, > Xishi Qiu > > > ------------------------------------------------------------------------------ > Don't Limit Your Business. Reach for the Cloud. > GigeNET's Cloud Solutions provide you with the tools and support that > you need to offload your IT needs and focus on growing your business. > Configured For All Businesses. Start Your Cloud Today. > https://www.gigenetcloud.com/ > _______________________________________________ > E1000-devel mailing list > E1000-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/e1000-devel > To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired > > -- 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