On 2015/7/14 17:00, zhuyj wrote: > Do you use the default ixgbe driver? or the ixgbe driver is modified by you? > Yes，no modify. Thanks, Xishi Qiu > On Tue, Jul 14, 2015 at 4:31 PM, Xishi Qiu <qiuxishi@xxxxxxxxxx <mailto:qiuxishi@xxxxxxxxxx>> wrote: > > 1、the host directly link to the storage device，by intel ixgbe NIC; > between them, no switch or router. > 2、the nic of the storage device suddenly become unused and then OK > after a little time, this happened frequency. > 3、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] [<ffffffff810048b5>] dump_trace+0x75/0x300 > Jul 9 11:31:36 root kernel: [1042291.977639] [<ffffffff8143ea0f>] dump_stack+0x69/0x6f > Jul 9 11:31:36 root kernel: [1042291.977644] [<ffffffff810f53a1>] bad_page+0xb1/0x120 > Jul 9 11:31:37 root kernel: [1042291.977649] [<ffffffff810f5926>] free_pages_prepare+0xe6/0x110 > Jul 9 11:31:37 root kernel: [1042291.977654] [<ffffffff810f9259>] free_hot_cold_page+0x49/0x1f0 > Jul 9 11:31:37 root kernel: [1042291.977660] [<ffffffff8137a3b4>] skb_release_data+0xb4/0xe0 > Jul 9 11:31:37 root kernel: [1042291.977665] [<ffffffff81379e79>] __kfree_skb+0x9/0x90 > Jul 9 11:31:37 root kernel: [1042291.977676] [<ffffffffa02784a9>] ixgbe_clean_tx_irq+0xa9/0x480 [ixgbe] > Jul 9 11:31:37 root kernel: [1042291.977693] [<ffffffffa02788cb>] ixgbe_poll+0x4b/0x1a0 [ixgbe] > Jul 9 11:31:37 root kernel: [1042291.977705] [<ffffffff81389c3a>] net_rx_action+0x10a/0x2c0 > Jul 9 11:31:37 root kernel: [1042291.977711] [<ffffffff81060a1f>] __do_softirq+0xef/0x220 > Jul 9 11:31:37 root kernel: [1042291.977716] [<ffffffff8144a8bc>] 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@xxxxxxxxxxxxxxxxxxxxx <mailto:E1000-devel@xxxxxxxxxxxxxxxxxxxxx> > 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@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>