Hi All,, msx:~ # ethtool -i eth0 driver: igb version: 3.2.10-k firmware-version: 3.2-9 bus-info: 0000:0b:00.1 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes
I have one issue, at customer machine the user space process is hogging up the processor (soft lockup)along with 2 kernel process and dump stack trace showing RIP at _ticket_spin_lock in all 3 process. As i know "If an user-space process had caused the soft-lockup, a line identifying the process by its pid would logged, followed by the contents of various CPU-registers without a call-trace of any sorts" but in my case i am getting dump stack trace for user process too. is it coming from a misbehaving user space app? is it normal functionality of soft lockup? if is it functionality of soft lockup then how to resolve the issue? Any help will be highly appreciated. it is x86_64 machine and kernel is 3.1.10. I know all 3 process are waiting for _ticket_spin_lock. see : Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492033] BUG: soft lockup - CPU#3 stuck for 22s! [virtio_shm/5/3:7874] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404215] BUG: soft lockup - CPU#31 stuck for 23s! [kni_thread:6605] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172014] BUG: soft lockup - CPU#0 stuck for 22s! [gis:14145] here gis is my user space process but has call trace. Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492033] BUG: soft lockup - CPU#3 stuck for 22s! [virtio_shm/5/3:7874] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492036] Modules linked in: xt_sharedlimit xt_hashlimit ip_set_hash_ipport ip_set_hash_ipportip xt_NOTRACK ip_set_bitmap_port xt_sctp nf_conntrack_ipv6 nf_defrag_ipv6 xt_CT arpt_mangle ip_set_hash_ipnet xt_NFLOG xt_limit xt_hashcounter ip_set_hash_ipip xt_set ip_set_hash_ip deflate ctr twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic cbc xcbc rmd160 crypto_null af_key iptable_mangle ip_set arptable_filter arp_tables iptable_raw iptable_nat nfnetlink_log nfnetlink ipt_ULOG ipt_PORTMAP af_packet zlib zlib_deflate sha512_generic sha256_generic sha1_generic md5 icp_qa_al pcie8120 rte_kni pfe_pep virtio_rte virtio_shm virtio_vtnet virtio_uio igb_uio virtio_ring virtio uio xt_tcpudp xt_state xt_pkttype nf_conntrack_control bonding binfmt_misc iptable_filter ip6table_filter ip6_tables nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables x_tables mperf ipmi_devintf ipmi_si ipmi_msghandler edd nf_conntrack_proto_sctp nf_conntrack sctp 8021q garp stp llc gb_sys usb_storage uas iTCO_wdt ioatdma pcspkr iTCO_vendor_support ixgbe igb wmi i2c_i801 mdio dca sg button container ipv6 autofs4 usbhid ehci_hcd megasr(P) usbcore processor thermal_sys Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492126] CPU 3 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492127] Modules linked in: xt_sharedlimit xt_hashlimit ip_set_hash_ipport ip_set_hash_ipportip xt_NOTRACK ip_set_bitmap_port xt_sctp nf_conntrack_ipv6 nf_defrag_ipv6 xt_CT arpt_mangle ip_set_hash_ipnet xt_NFLOG xt_limit xt_hashcounter ip_set_hash_ipip xt_set ip_set_hash_ip deflate ctr twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic cbc xcbc rmd160 crypto_null af_key iptable_mangle ip_set arptable_filter arp_tables iptable_raw iptable_nat nfnetlink_log nfnetlink ipt_ULOG ipt_PORTMAP af_packet zlib zlib_deflate sha512_generic sha256_generic sha1_generic md5 icp_qa_al pcie8120 rte_kni pfe_pep virtio_rte virtio_shm virtio_vtnet virtio_uio igb_uio virtio_ring virtio uio xt_tcpudp xt_state xt_pkttype nf_conntrack_control bonding binfmt_misc iptable_filter ip6table_filter ip6_tables nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables x_tables mperf ipmi_devintf ipmi_si ipmi_msghandler edd nf_conntrack_proto_sctp nf_conntrack sctp 8021q garp stp llc gb_sys usb_storage uas iTCO_wdt ioatdma pcspkr iTCO_vendor_support ixgbe igb wmi i2c_i801 mdio dca sg button container ipv6 autofs4 usbhid ehci_hcd megasr(P) usbcore processor thermal_sys Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492193] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492196] Pid: 7874, comm: virtio_shm/5/3 Tainted: P 3.1.10-gb20-default #1 Intel Corporation S2600CO/S2600CO Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492201] RIP: 0010:[<ffffffff81020650>] [<ffffffff81020650>] __ticket_spin_lock+0x18/0x1b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492208] RSP: 0018:ffff88043ee63de8 EFLAGS: 00000293 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492210] RAX: 00000000000069be RBX: ffff880423772740 RCX: 000000000000000e Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492213] RDX: 00000000000069bc RSI: 000000000000000e RDI: ffff88041e56a484 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492215] RBP: ffff88041e56a484 R08: ffff88041e56a740 R09: ffff88041554f04c Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492217] R10: 0000000000000048 R11: ffff88041ee7fbc0 R12: ffff88043ee63d58 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492219] R13: ffffffff813f831e R14: ffff88041e56a484 R15: ffff88041ee7fbc0 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492222] FS: 0000000000000000(0000) GS:ffff88043ee60000(0000) knlGS:0000000000000000 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492225] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492227] CR2: 000000000078a410 CR3: 000000080b8df000 CR4: 00000000000406e0 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492232] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492234] Process virtio_shm/5/3 (pid: 7874, threadinfo ffff880811e52000, task ffff880821e320c0) Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492236] Stack: Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492238] ffffffff8106b766 ffffffffa05e3a1e 000000001201fea9 ffffffffa03ef8b8 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492244] 0000002e1201fea9 ffff880423772000 ffff88043ee63e48 ffff880423772000 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492249] ffffffff8192a870 0000000000000608 0000000000000000 ffffffff81928b00 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492255] Call Trace: Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492266] [<ffffffff8106b766>] do_raw_spin_lock+0x5/0x8 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492275] [<ffffffffa05e3a1e>] packet_rcv+0x254/0x2ab [af_packet] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492299] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492304] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492311] [<ffffffffa03e2b49>] virtio_rte_recv_packets+0x2c/0x49 [virtio_rte] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492318] [<ffffffffa03e2b78>] virtio_rte_poll+0x12/0x8c [virtio_rte] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492325] [<ffffffff81339c88>] net_rx_action+0x65/0x178 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492331] [<ffffffff81045c73>] __do_softirq+0xb2/0x19d Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492337] [<ffffffff813f9aac>] call_softirq+0x1c/0x30 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492343] [<ffffffff81003931>] do_softirq+0x3c/0x7b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492348] [<ffffffff81045971>] _local_bh_enable_ip.isra.12+0x75/0x9b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492355] [<ffffffffa03d8cdc>] virtio_shm_interrupt.isra.8+0xd6/0xeb [virtio_shm] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492363] [<ffffffffa03d8e0c>] virtio_shm_intr_task+0x11b/0x15f [virtio_shm] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492371] [<ffffffff8105975a>] kthread+0x76/0x7e Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492377] [<ffffffff813f99b4>] kernel_thread_helper+0x4/0x10 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492379] Code: b7 c9 40 0f b6 ff 48 89 c2 44 89 ce e9 8e fb ff ff 90 90 b8 00 00 01 00 f0 0f c1 07 0f b7 d0 c1 e8 10 39 c2 74 07 f3 90 0f b7 17 <eb> f5 c3 8b 07 89 c2 c1 c0 10 39 c2 8d 90 00 00 01 00 75 04 f0 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492409] Call Trace: Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492413] [<ffffffff8106b766>] do_raw_spin_lock+0x5/0x8 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492418] [<ffffffffa05e3a1e>] packet_rcv+0x254/0x2ab [af_packet] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492428] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492432] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492437] [<ffffffffa03e2b49>] virtio_rte_recv_packets+0x2c/0x49 [virtio_rte] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492444] [<ffffffffa03e2b78>] virtio_rte_poll+0x12/0x8c [virtio_rte] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492450] [<ffffffff81339c88>] net_rx_action+0x65/0x178 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492454] [<ffffffff81045c73>] __do_softirq+0xb2/0x19d Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492459] [<ffffffff813f9aac>] call_softirq+0x1c/0x30 Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492463] [<ffffffff81003931>] do_softirq+0x3c/0x7b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492467] [<ffffffff81045971>] _local_bh_enable_ip.isra.12+0x75/0x9b Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492472] [<ffffffffa03d8cdc>] virtio_shm_interrupt.isra.8+0xd6/0xeb [virtio_shm] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492480] [<ffffffffa03d8e0c>] virtio_shm_intr_task+0x11b/0x15f [virtio_shm] Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492486] [<ffffffff8105975a>] kthread+0x76/0x7e Aug 26 09:31:58 at-vie01a-cq21b kernel: [115452.492491] [<ffffffff813f99b4>] kernel_thread_helper+0x4/0x10 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404215] BUG: soft lockup - CPU#31 stuck for 23s! [kni_thread:6605] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404219] Modules linked in: xt_sharedlimit xt_hashlimit ip_set_hash_ipport ip_set_hash_ipportip xt_NOTRACK ip_set_bitmap_port xt_sctp nf_conntrack_ipv6 nf_defrag_ipv6 xt_CT arpt_mangle ip_set_hash_ipnet xt_NFLOG xt_limit xt_hashcounter ip_set_hash_ipip xt_set ip_set_hash_ip deflate ctr twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic cbc xcbc rmd160 crypto_null af_key iptable_mangle ip_set arptable_filter arp_tables iptable_raw iptable_nat nfnetlink_log nfnetlink ipt_ULOG ipt_PORTMAP af_packet zlib zlib_deflate sha512_generic sha256_generic sha1_generic md5 icp_qa_al pcie8120 rte_kni pfe_pep virtio_rte virtio_shm virtio_vtnet virtio_uio igb_uio virtio_ring virtio uio xt_tcpudp xt_state xt_pkttype nf_conntrack_control bonding binfmt_misc iptable_filter ip6table_filter ip6_tables nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables x_tables mperf ipmi_devintf ipmi_si ipmi_msghandler edd nf_conntrack_proto_sctp nf_conntrack sctp 8021q garp stp llc gb_sys usb_storage uas iTCO_wdt ioatdma pcspkr iTCO_vendor_support ixgbe igb wmi i2c_i801 mdio dca sg button container ipv6 autofs4 usbhid ehci_hcd megasr(P) usbcore processor thermal_sys Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404306] CPU 31 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404308] Modules linked in: xt_sharedlimit xt_hashlimit ip_set_hash_ipport ip_set_hash_ipportip xt_NOTRACK ip_set_bitmap_port xt_sctp nf_conntrack_ipv6 nf_defrag_ipv6 xt_CT arpt_mangle ip_set_hash_ipnet xt_NFLOG xt_limit xt_hashcounter ip_set_hash_ipip xt_set ip_set_hash_ip deflate ctr twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic cbc xcbc rmd160 crypto_null af_key iptable_mangle ip_set arptable_filter arp_tables iptable_raw iptable_nat nfnetlink_log nfnetlink ipt_ULOG ipt_PORTMAP af_packet zlib zlib_deflate sha512_generic sha256_generic sha1_generic md5 icp_qa_al pcie8120 rte_kni pfe_pep virtio_rte virtio_shm virtio_vtnet virtio_uio igb_uio virtio_ring virtio uio xt_tcpudp xt_state xt_pkttype nf_conntrack_control bonding binfmt_misc iptable_filter ip6table_filter ip6_tables nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables x_tables mperf ipmi_devintf ipmi_si ipmi_msghandler edd nf_conntrack_proto_sctp nf_conntrack sctp 8021q garp stp llc gb_sys usb_storage uas iTCO_wdt ioatdma pcspkr iTCO_vendor_support ixgbe igb wmi i2c_i801 mdio dca sg button container ipv6 autofs4 usbhid ehci_hcd megasr(P) usbcore processor thermal_sys Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404373] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404376] Pid: 6605, comm: kni_thread Tainted: P 3.1.10-gb20-default #1 Intel Corporation S2600CO/S2600CO Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404380] RIP: 0010:[<ffffffff81020650>] [<ffffffff81020650>] __ticket_spin_lock+0x18/0x1b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404389] RSP: 0018:ffff88083ede3cf0 EFLAGS: 00000297 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404391] RAX: 00000000000069bd RBX: 0000000000000000 RCX: 000000000000000e Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404393] RDX: 00000000000069bc RSI: 000000000000000e RDI: ffff88041e56a484 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404395] RBP: ffff88041e56a484 R08: ffff88041e56a740 R09: ffff880808f20440 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404397] R10: ffff88080d395084 R11: 000000000000001f R12: ffff88083ede3c68 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404400] R13: ffffffff813f831e R14: ffff88041e56a484 R15: ffff88080b97d0c0 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404402] FS: 0000000000000000(0000) GS:ffff88083ede0000(0000) knlGS:0000000000000000 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404405] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404407] CR2: 00007f0ad3e5e000 CR3: 0000000001805000 CR4: 00000000000406e0 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404412] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404414] Process kni_thread (pid: 6605, threadinfo ffff88080cab8000, task ffff8808138562c0) Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404416] Stack: Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404418] ffffffff8106b766 ffffffffa05e3a1e 0000000000000000 0000000000000000 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404424] 0000002e00000000 ffff88042488a000 0000000000000000 ffff88042488a000 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404429] ffffffff8192a870 0000000000000608 0000000000000000 ffffffff81928b00 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404435] Call Trace: Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404446] [<ffffffff8106b766>] do_raw_spin_lock+0x5/0x8 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404454] [<ffffffffa05e3a1e>] packet_rcv+0x254/0x2ab [af_packet] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404477] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404482] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404487] [<ffffffff8133979e>] napi_skb_finish+0x1c/0x31 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404497] [<ffffffffa031adee>] igb_clean_rx_irq+0x30d/0x39e [igb] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404517] [<ffffffffa031aecd>] igb_poll+0x4e/0x74 [igb] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404532] [<ffffffff81339c88>] net_rx_action+0x65/0x178 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404538] [<ffffffff81045c73>] __do_softirq+0xb2/0x19d Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404544] [<ffffffff813f9aac>] call_softirq+0x1c/0x30 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404550] [<ffffffff81003931>] do_softirq+0x3c/0x7b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404555] [<ffffffff81045f98>] irq_exit+0x3c/0xac Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404558] [<ffffffff81003655>] do_IRQ+0x82/0x98 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404565] [<ffffffff813f24ee>] common_interrupt+0x6e/0x6e Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404573] [<ffffffffa05e0003>] atomic_inc+0x3/0x4 [af_packet] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404579] [<ffffffffa05e3a33>] packet_rcv+0x269/0x2ab [af_packet] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404477] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404482] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404487] [<ffffffff8133979e>] napi_skb_finish+0x1c/0x31 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404589] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404593] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404610] [<ffffffffa041bd4b>] kni_net_rx_normal+0x12d/0x178 [rte_kni] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404690] [<ffffffffa041ae58>] kni_thread+0x39/0x91 [rte_kni] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404758] [<ffffffff8105975a>] kthread+0x76/0x7e Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404763] [<ffffffff813f99b4>] kernel_thread_helper+0x4/0x10 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404766] Code: b7 c9 40 0f b6 ff 48 89 c2 44 89 ce e9 8e fb ff ff 90 90 b8 00 00 01 00 f0 0f c1 07 0f b7 d0 c1 e8 10 39 c2 74 07 f3 90 0f b7 17 <eb> f5 c3 8b 07 89 c2 c1 c0 10 39 c2 8d 90 00 00 01 00 75 04 f0 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404795] Call Trace: Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404800] [<ffffffff8106b766>] do_raw_spin_lock+0x5/0x8 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404805] [<ffffffffa05e3a1e>] packet_rcv+0x254/0x2ab [af_packet] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404814] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404818] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404822] [<ffffffff8133979e>] napi_skb_finish+0x1c/0x31 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404831] [<ffffffffa031adee>] igb_clean_rx_irq+0x30d/0x39e [igb] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404849] [<ffffffffa031aecd>] igb_poll+0x4e/0x74 [igb] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404863] [<ffffffff81339c88>] net_rx_action+0x65/0x178 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404868] [<ffffffff81045c73>] __do_softirq+0xb2/0x19d Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404872] [<ffffffff813f9aac>] call_softirq+0x1c/0x30 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404875] [<ffffffff81003931>] do_softirq+0x3c/0x7b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404880] [<ffffffff81045f98>] irq_exit+0x3c/0xac Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404883] [<ffffffff81003655>] do_IRQ+0x82/0x98 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404887] [<ffffffff813f24ee>] common_interrupt+0x6e/0x6e Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404893] [<ffffffffa05e0003>] atomic_inc+0x3/0x4 [af_packet] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404899] [<ffffffffa05e3a33>] packet_rcv+0x269/0x2ab [af_packet] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404908] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404912] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404921] [<ffffffffa041bd4b>] kni_net_rx_normal+0x12d/0x178 [rte_kni] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.404996] [<ffffffffa041ae58>] kni_thread+0x39/0x91 [rte_kni] Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.405064] [<ffffffff8105975a>] kthread+0x76/0x7e Aug 26 09:32:00 at-vie01a-cq21b kernel: [115455.405068] [<ffffffff813f99b4>] kernel_thread_helper+0x4/0x10 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172014] BUG: soft lockup - CPU#0 stuck for 22s! [gis:14145] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172017] Modules linked in: xt_sharedlimit xt_hashlimit ip_set_hash_ipport ip_set_hash_ipportip xt_NOTRACK ip_set_bitmap_port xt_sctp nf_conntrack_ipv6 nf_defrag_ipv6 xt_CT arpt_mangle ip_set_hash_ipnet xt_NFLOG xt_limit xt_hashcounter ip_set_hash_ipip xt_set ip_set_hash_ip deflate ctr twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic cbc xcbc rmd160 crypto_null af_key iptable_mangle ip_set arptable_filter arp_tables iptable_raw iptable_nat nfnetlink_log nfnetlink ipt_ULOG ipt_PORTMAP af_packet zlib zlib_deflate sha512_generic sha256_generic sha1_generic md5 icp_qa_al pcie8120 rte_kni pfe_pep virtio_rte virtio_shm virtio_vtnet virtio_uio igb_uio virtio_ring virtio uio xt_tcpudp xt_state xt_pkttype nf_conntrack_control bonding binfmt_misc iptable_filter ip6table_filter ip6_tables nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables x_tables mperf ipmi_devintf ipmi_si ipmi_msghandler edd nf_conntrack_proto_sctp nf_conntrack sctp 8021q garp stp llc gb_sys usb_storage uas iTCO_wdt ioatdma pcspkr iTCO_vendor_support ixgbe igb wmi i2c_i801 mdio dca sg button container ipv6 autofs4 usbhid ehci_hcd megasr(P) usbcore processor thermal_sys Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172098] CPU 0 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172099] Modules linked in: xt_sharedlimit xt_hashlimit ip_set_hash_ipport ip_set_hash_ipportip xt_NOTRACK ip_set_bitmap_port xt_sctp nf_conntrack_ipv6 nf_defrag_ipv6 xt_CT arpt_mangle ip_set_hash_ipnet xt_NFLOG xt_limit xt_hashcounter ip_set_hash_ipip xt_set ip_set_hash_ip deflate ctr twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic cbc xcbc rmd160 crypto_null af_key iptable_mangle ip_set arptable_filter arp_tables iptable_raw iptable_nat nfnetlink_log nfnetlink ipt_ULOG ipt_PORTMAP af_packet zlib zlib_deflate sha512_generic sha256_generic sha1_generic md5 icp_qa_al pcie8120 rte_kni pfe_pep virtio_rte virtio_shm virtio_vtnet virtio_uio igb_uio virtio_ring virtio uio xt_tcpudp xt_state xt_pkttype nf_conntrack_control bonding binfmt_misc iptable_filter ip6table_filter ip6_tables nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables x_tables mperf ipmi_devintf ipmi_si ipmi_msghandler edd nf_conntrack_proto_sctp nf_conntrack sctp 8021q garp stp llc gb_sys usb_storage uas iTCO_wdt ioatdma pcspkr iTCO_vendor_support ixgbe igb wmi i2c_i801 mdio dca sg button container ipv6 autofs4 usbhid ehci_hcd megasr(P) usbcore processor thermal_sys Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172163] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172166] Pid: 14145, comm: gis Tainted: P 3.1.10-gb20-default #1 Intel Corporation S2600CO/S2600CO Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172170] RIP: 0010:[<ffffffff8102064d>] [<ffffffff8102064d>] __ticket_spin_lock+0x15/0x1b Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172178] RSP: 0000:ffff88043ee03cf0 EFLAGS: 00000293 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172180] RAX: 00000000000069bf RBX: 00000000020110ac RCX: 000000000000000e Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172182] RDX: 00000000000069bc RSI: 000000000000000e RDI: ffff88041e56a484 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172184] RBP: ffff88041e56a484 R08: ffff88041e56a740 R09: ffff8804154a5840 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172187] R10: 00007f0afce77000 R11: 0000000000000000 R12: ffff88043ee03c68 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172189] R13: ffffffff813f831e R14: ffff88041e56a484 R15: ffff88041e568280 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172192] FS: 00007f0afd70b700(0000) GS:ffff88043ee00000(0000) knlGS:0000000000000000 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172196] CR2: 00007f54f6b88098 CR3: 000000042427e000 CR4: 00000000000406f0 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172201] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172204] Process gis (pid: 14145, threadinfo ffff88037537e000, task ffff88036a8fe180) Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172205] Stack: Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172207] ffffffff8106b766 ffffffffa05e3a1e 0000000101b72e68 ffff8808260ae680 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172213] 0000002e1e568280 ffff880420450000 ffff88041f887a00 ffff880420450000 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172218] ffffffff8192a870 0000000000000608 0000000000000000 ffffffff81928b00 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172224] Call Trace: Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172233] [<ffffffff8106b766>] do_raw_spin_lock+0x5/0x8 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172240] [<ffffffffa05e3a1e>] packet_rcv+0x254/0x2ab [af_packet] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172257] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172262] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172266] [<ffffffff8133979e>] napi_skb_finish+0x1c/0x31 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172277] [<ffffffffa031adee>] igb_clean_rx_irq+0x30d/0x39e [igb] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172298] [<ffffffffa031aecd>] igb_poll+0x4e/0x74 [igb] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172313] [<ffffffff81339c88>] net_rx_action+0x65/0x178 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172319] [<ffffffff81045c73>] __do_softirq+0xb2/0x19d Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172324] [<ffffffff813f9aac>] call_softirq+0x1c/0x30 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172329] [<ffffffff81003931>] do_softirq+0x3c/0x7b Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172333] [<ffffffff81045f98>] irq_exit+0x3c/0xac Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172337] [<ffffffff81003655>] do_IRQ+0x82/0x98 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172342] [<ffffffff813f24ee>] common_interrupt+0x6e/0x6e Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172351] [<00007f0c560356d1>] 0x7f0c560356d0 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172353] Code: ff 45 0f b7 c9 40 0f b6 ff 48 89 c2 44 89 ce e9 8e fb ff ff 90 90 b8 00 00 01 00 f0 0f c1 07 0f b7 d0 c1 e8 10 39 c2 74 07 f3 90 <0f> b7 17 eb f5 c3 8b 07 89 c2 c1 c0 10 39 c2 8d 90 00 00 01 00 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172382] Call Trace: Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172386] [<ffffffff8106b766>] do_raw_spin_lock+0x5/0x8 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172392] [<ffffffffa05e3a1e>] packet_rcv+0x254/0x2ab [af_packet] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172402] [<ffffffff81337bbf>] __netif_receive_skb+0x2e1/0x36b Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172406] [<ffffffff81339722>] netif_receive_skb+0x7e/0x84 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172410] [<ffffffff8133979e>] napi_skb_finish+0x1c/0x31 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172418] [<ffffffffa031adee>] igb_clean_rx_irq+0x30d/0x39e [igb] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172436] [<ffffffffa031aecd>] igb_poll+0x4e/0x74 [igb] Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172450] [<ffffffff81339c88>] net_rx_action+0x65/0x178 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172454] [<ffffffff81045c73>] __do_softirq+0xb2/0x19d Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172459] [<ffffffff813f9aac>] call_softirq+0x1c/0x30 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172462] [<ffffffff81003931>] do_softirq+0x3c/0x7b Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172467] [<ffffffff81045f98>] irq_exit+0x3c/0xac Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172470] [<ffffffff81003655>] do_IRQ+0x82/0x98 Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172474] [<ffffffff813f24ee>] common_interrupt+0x6e/0x6e Aug 26 09:32:01 at-vie01a-cq21b kernel: [115456.172480] [<00007f0c560356d1>] 0x7f0c560356d0 Judging by the backtrace, this sounds more like some sort of a bug in the igb network interface driver or the network packet driver af_packet. Your gis userland process is probably the main thing that talks to the network on that machine, so it appears connected, but soft lockups are really kernel space bugs. is my analysis right? -- Sumit Gemini | Software Engineer GlobalLogic www.globallogic.com http://www.globallogic.com/email_disclaimer.txt
