Hi,
I wasn't really sure which package to report this bug against, so writing it to the lists. This is happening randomly almost everyday. Not able to figure out why Here's our uname -a # uname -a Linux <myhostnamewashere> 3.5.2-x86_64-linode26 #1 SMP Wed Aug 15 14:31:07 EDT 2012 x86_64 GNU/Linux Sep 14 04:46:01 n4 kernel: ------------[ cut here ]------------ Sep 14 04:46:01 n4 kernel: WARNING: at net/core/skbuff.c:3414 skb_try_coalesce+0x1d7/0x2dd() Sep 14 04:46:01 n4 kernel: Modules linked in: Sep 14 04:46:01 n4 kernel: Pid: 0, comm: swapper/0 Not tainted 3.5.2-x86_64-linode26 #1 Sep 14 04:46:01 n4 kernel: Call Trace: Sep 14 04:46:01 n4 kernel: <IRQ> [<ffffffff8103ba0e>] warn_slowpath_common+0x80/0x98 Sep 14 04:46:01 n4 kernel: [<ffffffff8103ba3b>] warn_slowpath_null+0x15/0x17 Sep 14 04:46:01 n4 kernel: [<ffffffff8150448e>] skb_try_coalesce+0x1d7/0x2dd Sep 14 04:46:01 n4 kernel: [<ffffffff81606836>] ? ip6t_do_table+0x3b5/0x3e3 Sep 14 04:46:01 n4 kernel: [<ffffffff8158b382>] tcp_try_coalesce+0x4c/0xa4 Sep 14 04:46:01 n4 kernel: [<ffffffff81042e0f>] ? local_bh_enable+0xd/0xf Sep 14 04:46:01 n4 kernel: [<ffffffff8158b42c>] tcp_queue_rcv+0x52/0x9a Sep 14 04:46:01 n4 kernel: [<ffffffff8158e7c6>] tcp_rcv_established+0x348/0x4e1 Sep 14 04:46:01 n4 kernel: [<ffffffff815fac47>] tcp_v6_do_rcv+0xbc/0x325 Sep 14 04:46:01 n4 kernel: [<ffffffff815fbed4>] tcp_v6_rcv+0x461/0x6fd Sep 14 04:46:01 n4 kernel: [<ffffffff815de330>] ip6_input_finish+0x1e4/0x2b2 Sep 14 04:46:01 n4 kernel: [<ffffffff815de14c>] ? T.1042+0x4f/0x4f Sep 14 04:46:01 n4 kernel: [<ffffffff815de44a>] T.1043+0x4c/0x53 Sep 14 04:46:01 n4 kernel: [<ffffffff815de0d0>] ? ip6_forward+0x5de/0x5de Sep 14 04:46:01 n4 kernel: [<ffffffff815de75d>] ip6_input+0x1c/0x1e Sep 14 04:46:01 n4 kernel: [<ffffffff815de0f9>] ip6_rcv_finish+0x29/0x2d Sep 14 04:46:01 n4 kernel: [<ffffffff815de44a>] T.1043+0x4c/0x53 Sep 14 04:46:01 n4 kernel: [<ffffffff815de70d>] ipv6_rcv+0x2bc/0x2f0 Sep 14 04:46:01 n4 kernel: [<ffffffff815100fd>] __netif_receive_skb+0x379/0x3bb Sep 14 04:46:01 n4 kernel: [<ffffffff8151038a>] netif_receive_skb+0x71/0x78 Sep 14 04:46:01 n4 kernel: [<ffffffff8146fb19>] handle_incoming_queue+0x7c/0x11a Sep 14 04:46:01 n4 kernel: [<ffffffff814700fe>] xennet_poll+0x547/0x611 Sep 14 04:46:01 n4 kernel: [<ffffffff81510ba7>] net_rx_action+0xb6/0x22f Sep 14 04:46:01 n4 kernel: [<ffffffff816b9a56>] ? _raw_spin_lock+0x9/0xd Sep 14 04:46:01 n4 kernel: [<ffffffff813be772>] ? info_for_irq+0x9/0x19 Sep 14 04:46:01 n4 kernel: [<ffffffff81042f40>] __do_softirq+0xc8/0x1a4 Sep 14 04:46:01 n4 kernel: [<ffffffff810997ae>] ? handle_edge_irq+0xb8/0xca Sep 14 04:46:01 n4 kernel: [<ffffffff816c199c>] call_softirq+0x1c/0x30 Sep 14 04:46:01 n4 kernel: [<ffffffff81010bc1>] do_softirq+0x41/0x7e Sep 14 04:46:01 n4 kernel: [<ffffffff81042cfe>] irq_exit+0x44/0xb2 Sep 14 04:46:01 n4 kernel: [<ffffffff813bf61b>] xen_evtchn_do_upcall+0x2f/0x3d Sep 14 04:46:01 n4 kernel: [<ffffffff816c19ee>] xen_do_hypervisor_callback+0x1e/0x30 Sep 14 04:46:01 n4 kernel: <EOI> [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000 Sep 14 04:46:01 n4 kernel: [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000 Sep 14 04:46:01 n4 kernel: [<ffffffff81006aab>] ? xen_safe_halt+0x10/0x1a Sep 14 04:46:01 n4 kernel: [<ffffffff81016330>] ? default_idle+0x4b/0x85 Sep 14 04:46:01 n4 kernel: [<ffffffff81015acc>] ? cpu_idle+0x65/0xa1 Sep 14 04:46:01 n4 kernel: [<ffffffff816acbe9>] ? rest_init+0x6d/0x6f Sep 14 04:46:01 n4 kernel: [<ffffffff81cc1ca9>] ? start_kernel+0x34d/0x35a Sep 14 04:46:01 n4 kernel: [<ffffffff81cc1791>] ? kernel_init+0x130/0x130 Sep 14 04:46:01 n4 kernel: [<ffffffff81cc12dd>] ? x86_64_start_reservations+0xb8/0xbd Sep 14 04:46:01 n4 kernel: [<ffffffff81cc4d80>] ? xen_start_kernel+0x568/0x56f Sep 14 04:46:01 n4 kernel: ---[ end trace 0db5757b0051d5bf ]--- This is happening to 2 boxes where we have apache running on it and they are identical (both in configuration and software .. managed via puppet) to other apache servers which do not have this problem. Any help/pointers is appreciated. Thank you, -- Krish Hey! Checkout my new startup * www.toonheart.com * Like Us if you Like Us! - facebook.com/toonheart -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/CA+Vv_Q29nb_8bi6x=kbm+hjlz3tc8qj-uajabqeczbyw_bd...@mail.gmail.com