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Date: Mon, 01 Aug 2011 15:20:11 +0400 From: Rustam Afanasyev <cpulinker@...dex.ru> To: Andrew Morton <akpm@...ux-foundation.org> CC: netdev@...r.kernel.org, bugme-daemon@...zilla.kernel.org, Patrick McHardy <kaber@...sh.net> Subject: Re: [Bugme-new] [Bug 39742] New: 2.6.39.3 crash and hangs in 1-2 minutes. Still have traps. With applied patch from xeb (http://www.spinics.net/lists/netdev/msg170766.html) there isn't hangs any more. Panics is still occurs. They only occur much less frequently. And seems it's different place. Here it is. 1 was like: [ 1582.319303] ------------[ cut here ]------------ [ 1582.323205] kernel BUG at include/linux/skbuff.h:1189! [ 1582.323205] invalid opcode: 0000 [#1] SMP [ 1582.323205] last sysfs file: /sys/devices/virtual/net/ppp168/uevent [ 1582.323205] CPU 0 [ 1582.323205] Modules linked in: cls_fw sch_sfq arc4 ecb ppp_mppe act_mirred act_skbedit cls_u32 sch_ingress l2tp_ppp l2d [ 1582.323205] [ 1582.598100] Pid: 0, comm: swapper Not tainted 2.6.39-std-def-alt3 #1 ASUS RS100-E4/PI2/P5M2-M/RS100-E4 [ 1582.616208] RIP: 0010:[<ffffffff8134a94b>] [<ffffffff8134a94b>] skb_pull+0x2b/0x30 [ 1582.616208] RSP: 0018:ffff88011fc03b20 EFLAGS: 00010293 [ 1582.616208] RAX: 0000000000000247 RBX: ffff880117ac2880 RCX: 0000000000000027 [ 1582.616208] RDX: 0000000000000027 RSI: 0000000000000002 RDI: ffff880117ac2880 [ 1582.698595] RBP: ffff88011fc03b20 R08: 0000000000000228 R09: 000000000000000c [ 1582.698595] R10: 0000000000000240 R11: 0000000000000001 R12: ffff880118f00800 [ 1582.698595] R13: ffff8801176a086e R14: 000000000000002f R15: ffff880115346000 [ 1582.698595] FS: 0000000000000000(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 [ 1582.698595] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1582.808009] CR2: 0000000000645f4c CR3: 000000011760b000 CR4: 00000000000006f0 [ 1582.808009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1582.808009] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1582.808009] Process swapper (pid: 0, threadinfo ffffffff81800000, task ffffffff8180b020) [ 1582.808009] Stack: [ 1582.808009] ffff88011fc03b50 ffffffffa034663a ffff88011fc03b80 ffff880118f00800 [ 1582.808009] ffff880117ac2880 0000000000000000 ffff88011fc03b90 ffffffff81346ecc [ 1582.808009] ffff88011fc03bb0 ffffffff8134b4e9 0000000000000001 ffff880117ac2880 [ 1582.808009] Call Trace: [ 1582.808009] <IRQ> [ 1582.808009] [<ffffffffa034663a>] pptp_rcv_core+0x21a/0x220 [pptp] [ 1582.808009] [<ffffffff81346ecc>] sk_receive_skb+0x10c/0x140 [ 1582.808009] [<ffffffff8134b4e9>] ? __pskb_pull_tail+0x59/0x3e0 [ 1582.808009] [<ffffffffa0346783>] pptp_rcv+0x143/0x190 [pptp] [ 1582.808009] [<ffffffffa03250ad>] gre_rcv+0x5d/0x80 [gre] [ 1582.808009] [<ffffffff8138946d>] ip_local_deliver_finish+0xdd/0x2a0 [ 1582.808009] [<ffffffff813897f0>] ip_local_deliver+0x80/0x90 [ 1582.808009] [<ffffffff81389135>] ip_rcv_finish+0x135/0x390 [ 1582.808009] [<ffffffff81389a1c>] ip_rcv+0x21c/0x2e0 [ 1582.808009] [<ffffffff81356f5a>] __netif_receive_skb+0x52a/0x690 [ 1582.808009] [<ffffffff8100cf01>] ? do_IRQ+0x61/0xe0 [ 1582.808009] [<ffffffff8140a593>] ? common_interrupt+0x13/0x13 [ 1582.808009] [<ffffffff813572d0>] netif_receive_skb+0x60/0x90 [ 1582.808009] [<ffffffff8124de9c>] ? is_swiotlb_buffer+0x3c/0x50 [ 1582.808009] [<ffffffff81357440>] napi_skb_finish+0x50/0x70 [ 1582.808009] [<ffffffff813579bd>] napi_gro_receive+0xbd/0xd0 [ 1582.808009] [<ffffffffa01b229b>] igb_poll+0x6fb/0xae0 [igb] [ 1582.808009] [<ffffffff81356f5a>] ? __netif_receive_skb+0x52a/0x690 [ 1582.808009] [<ffffffff81357be5>] net_rx_action+0x135/0x270 [ 1582.808009] [<ffffffff81062705>] __do_softirq+0xa5/0x1d0 [ 1582.808009] [<ffffffff8141301c>] call_softirq+0x1c/0x30 [ 1582.808009] [<ffffffff8100d355>] do_softirq+0x65/0xa0 [ 1582.808009] [<ffffffff81062a96>] irq_exit+0x86/0xa0 [ 1582.808009] [<ffffffff8100cf01>] do_IRQ+0x61/0xe0 [ 1582.808009] [<ffffffff8140a593>] common_interrupt+0x13/0x13 [ 1582.808009] <EOI> [ 1582.808009] [<ffffffff81012deb>] ? mwait_idle+0x9b/0x1d0 [ 1582.808009] [<ffffffff8140de35>] ? atomic_notifier_call_chain+0x15/0x20 [ 1582.808009] [<ffffffff8100a1e6>] cpu_idle+0x56/0xa0 [ 1582.808009] [<ffffffff813f396d>] rest_init+0x6d/0x80 [ 1582.808009] [<ffffffff8187fbe6>] start_kernel+0x392/0x39d [ 1582.808009] [<ffffffff8187f347>] x86_64_start_reservations+0x132/0x136 [ 1582.808009] [<ffffffff8187f44c>] x86_64_start_kernel+0x101/0x110 [ 1582.808009] Code: 8b 47 68 55 48 89 e5 39 c6 77 1c 29 f0 3b 47 6c 89 47 68 72 16 89 f0 48 03 87 e0 00 00 00 48 89 87 e [ 1582.808009] RIP [<ffffffff8134a94b>] skb_pull+0x2b/0x30 [ 1582.808009] RSP <ffff88011fc03b20> [ 1583.628015] ---[ end trace 6c39f3d0e04ed229 ]--- [ 1583.641960] Kernel panic - not syncing: Fatal exception in interrupt [ 1583.661088] Pid: 0, comm: swapper Tainted: G D 2.6.39-std-def-alt3 #1 [ 1583.682846] Call Trace: [ 1583.690254] <IRQ> [<ffffffff81407284>] panic+0x8c/0x197 [ 1583.706576] [<ffffffff8140b4d2>] oops_end+0xe2/0xf0 [ 1583.721540] [<ffffffff8100e876>] die+0x56/0x90 [ 1583.735215] [<ffffffff8140abf4>] do_trap+0xc4/0x170 [ 1583.750191] [<ffffffff8100bf00>] do_invalid_op+0x90/0xb0 [ 1583.766466] [<ffffffff8134a94b>] ? skb_pull+0x2b/0x30 [ 1583.781965] [<ffffffffa01f31d6>] ? ipt_do_table+0x256/0x670 [ip_tables] other was: [ 245.268856] ------------[ cut here ]------------ [ 245.272797] kernel BUG at include/linux/skbuff.h:1189! [ 245.272797] invalid opcode: 0000 [#1] SMP [ 245.272797] last sysfs file: /sys/devices/virtual/net/ppp100/uevent [ 245.272797] CPU 3 [ 245.272797] Modules linked in: cls_fw sch_sfq arc4 ecb ppp_mppe act_mirred act_skbedit cls_u32 sch_ingress l2tp_ppp l2d [ 245.272797] [ 245.272797] Pid: 0, comm: kworker/0:1 Not tainted 2.6.39-std-def-alt3 #1 ASUS RS100-E4/PI2/P5M2-M/RS100-E4 [ 245.272797] RIP: 0010:[<ffffffff8134a94b>] [<ffffffff8134a94b>] skb_pull+0x2b/0x30 [ 245.272797] RSP: 0018:ffff88011fd83b20 EFLAGS: 00010297 [ 245.272797] RAX: 0000000000000518 RBX: ffff880116a0e0c0 RCX: 0000000000000444 [ 245.272797] RDX: 0000000000000444 RSI: 0000000000000010 RDI: ffff880116a0e0c0 [ 245.272797] RBP: ffff88011fd83b20 R08: 0000000000000500 R09: 000000000000000c [ 245.272797] R10: 0000000000000240 R11: 0000000000000001 R12: ffff8801171fb400 [ 245.272797] R13: ffff880116a0cc72 R14: 000000000000002f R15: ffff8801168de000 [ 245.272797] FS: 0000000000000000(0000) GS:ffff88011fd80000(0000) knlGS:0000000000000000 [ 245.272797] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 245.272797] CR2: 00000000008faa2c CR3: 00000001151c2000 CR4: 00000000000006e0 [ 245.272797] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 245.272797] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 245.272797] Process kworker/0:1 (pid: 0, threadinfo ffff880118f46000, task ffff880118f444c0) [ 245.272797] Stack: [ 245.272797] ffff88011fd83b50 ffffffffa03374e2 ffff88011fd83b80 ffff8801171fb400 [ 245.272797] ffff880116a0e0c0 0000000000000000 ffff88011fd83b90 ffffffff81346ecc [ 245.892667] ffff88011fd83bb0 ffffffff8134b4e9 0000000000000001 ffff880116a0e0c0 [ 245.892667] Call Trace: [ 245.892667] <IRQ> [ 245.892667] [<ffffffffa03374e2>] pptp_rcv_core+0xc2/0x220 [pptp] [ 245.892667] [<ffffffff81346ecc>] sk_receive_skb+0x10c/0x140 [ 245.892667] [<ffffffff8134b4e9>] ? __pskb_pull_tail+0x59/0x3e0 [ 245.892667] [<ffffffffa0337783>] pptp_rcv+0x143/0x190 [pptp] [ 245.892667] [<ffffffffa03160ad>] gre_rcv+0x5d/0x80 [gre] [ 245.892667] [<ffffffff8138946d>] ip_local_deliver_finish+0xdd/0x2a0 [ 245.892667] [<ffffffff813897f0>] ip_local_deliver+0x80/0x90 [ 245.892667] [<ffffffff81389135>] ip_rcv_finish+0x135/0x390 [ 245.892667] [<ffffffff81389a1c>] ip_rcv+0x21c/0x2e0 [ 245.892667] [<ffffffff81356f5a>] __netif_receive_skb+0x52a/0x690 [ 245.892667] [<ffffffff81137985>] ? __kmalloc_node_track_caller+0x55/0x60 [ 245.892667] [<ffffffff813572d0>] netif_receive_skb+0x60/0x90 [ 245.892667] [<ffffffff8124de9c>] ? is_swiotlb_buffer+0x3c/0x50 [ 245.892667] [<ffffffff81357440>] napi_skb_finish+0x50/0x70 [ 245.892667] [<ffffffff813579bd>] napi_gro_receive+0xbd/0xd0 [ 245.892667] [<ffffffffa01ea29b>] igb_poll+0x6fb/0xae0 [igb] [ 245.892667] [<ffffffff81356f5a>] ? __netif_receive_skb+0x52a/0x690 [ 245.892667] [<ffffffff81357be5>] net_rx_action+0x135/0x270 [ 245.892667] [<ffffffff81062705>] __do_softirq+0xa5/0x1d0 [ 245.892667] [<ffffffff8141301c>] call_softirq+0x1c/0x30 [ 245.892667] [<ffffffff8100d355>] do_softirq+0x65/0xa0 [ 245.892667] [<ffffffff81062a96>] irq_exit+0x86/0xa0 [ 245.892667] [<ffffffff8100cf01>] do_IRQ+0x61/0xe0 [ 245.892667] [<ffffffff8140a593>] common_interrupt+0x13/0x13 [ 245.892667] <EOI> [ 245.892667] [<ffffffff81012deb>] ? mwait_idle+0x9b/0x1d0 [ 245.892667] [<ffffffff8140de35>] ? atomic_notifier_call_chain+0x15/0x20 [ 245.892667] [<ffffffff8100a1e6>] cpu_idle+0x56/0xa0 [ 245.892667] [<ffffffff81403729>] start_secondary+0x197/0x19c [ 245.892667] Code: 8b 47 68 55 48 89 e5 39 c6 77 1c 29 f0 3b 47 6c 89 47 68 72 16 89 f0 48 03 87 e0 00 00 00 48 89 87 e [ 245.892667] RIP [<ffffffff8134a94b>] skb_pull+0x2b/0x30 [ 245.892667] RSP <ffff88011fd83b20> [ 246.520989] ---[ end trace ad4c118e9d8ac857 ]--- [ 246.534912] Kernel panic - not syncing: Fatal exception in interrupt [ 246.534916] Pid: 0, comm: kworker/0:1 Tainted: G D 2.6.39-std-def-alt3 #1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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