On 2015/7/14 17:24, Xishi Qiu wrote: > 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. > Sorry, it is modified by us... the driver come from intel，the info： root:~ # ethtool -i p2p2 driver: ixgbe version: 3.9.16-NAPI firmware-version: 0x18f10001 bus-info: 0000:04:00.1 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes 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>