From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: (3.2.9) WARNING: at net/ipv4/tcp_input.c:3439 tcp_ack+0x21d0/0x2260() Date: Mon, 12 Mar 2012 14:47:33 -0400 Message-ID: <20120312184733.GB1946@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Fedora Kernel Team To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:47794 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754627Ab2CLSrg (ORCPT ); Mon, 12 Mar 2012 14:47:36 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: We had a report of this WARN being hit since we pushed out 3.2.9 as an update. WARN_ON((int)tp->sacked_out < 0); Dave > backtrace: > :WARNING: at net/ipv4/tcp_input.c:3439 tcp_ack+0x21d0/0x2260() > :Hardware name: HP Compaq 8000 Elite SFF PC > :Modules linked in: vfat fat usb_storage tcp_lp fuse ebtable_nat ebtables > ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc > be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 > lockd mdio ib_iser rdma_cm nf_conntrack_ipv4 nf_defrag_ipv4 ib_cm > nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ftp iw_cm > ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ib_sa ib_mad ib_core xt_state > ib_addr ip6table_filter nf_conntrack iscsi_tcp libiscsi_tcp libiscsi ip6_tables > scsi_transport_iscsi snd_usb_audio snd_usbmidi_lib snd_rawmidi gspca_sn9c20x > gspca_main videodev media v4l2_compat_ioctl32 joydev tpm_infineon > snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq > snd_seq_device vhost_net macvtap macvlan snd_pcm tun snd_timer virtio_net snd > hp_wmi tpm_tis e1000e iTCO_wdt kvm_intel tpm tpm_bios kvm iTCO_vendor_support > soundcore snd_page_alloc microcode sparse_keymap rfkill serio_raw binfmt_misc > sunrpc uinput btrfs > :pata_acpi zlib_deflate libcrc32c wmi ata_generic i915 drm_kms_helper drm > i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] > :Pid: 0, comm: swapper/0 Tainted: G W 3.2.9-1.fc16.x86_64 #1 > :Call Trace: > : [] warn_slowpath_common+0x7f/0xc0 > : [] warn_slowpath_null+0x1a/0x20 > : [] tcp_ack+0x21d0/0x2260 > : [] ? tcp_validate_incoming+0x255/0x370 > : [] tcp_rcv_established+0x1ca/0x8b0 > : [] tcp_v4_do_rcv+0x27f/0x430 > : [] tcp_v4_rcv+0x610/0x8e0 > : [] ? ip_rcv_finish+0x380/0x380 > : [] ? ip_rcv_finish+0x380/0x380 > : [] ip_local_deliver_finish+0xdd/0x280 > : [] ip_local_deliver+0x88/0x90 > : [] ip_rcv_finish+0x131/0x380 > : [] ip_rcv+0x235/0x300 > : [] ? ns_to_timeval+0x12/0x40 > : [] __netif_receive_skb+0x523/0x5c0 > : [] netif_receive_skb+0x80/0x90 > : [] ? dev_gro_receive+0x1b9/0x2c0 > : [] napi_skb_finish+0x50/0x70 > : [] napi_gro_receive+0xf5/0x140 > : [] e1000_receive_skb+0x5b/0x70 [e1000e] > : [] e1000_clean_rx_irq+0x2f1/0x400 [e1000e] > : [] e1000_clean+0x78/0x2c0 [e1000e] > : [] ? enqueue_hrtimer+0x39/0xc0 > : [] net_rx_action+0x12b/0x270 > : [] __do_softirq+0xb8/0x230 > : [] ? do_timer+0x2d6/0x500 > : [] call_softirq+0x1c/0x30 > : [] do_softirq+0x65/0xa0 > : [] irq_exit+0x9e/0xc0 > : [] do_IRQ+0x63/0xe0 > : [] common_interrupt+0x6e/0x6e > : [] ? arch_local_irq_enable+0x8/0xd > : [] ? sched_clock_idle_wakeup_event+0x1a/0x20 > : [] acpi_idle_enter_bm+0x225/0x269 > : [] cpuidle_idle_call+0xc1/0x280 > : [] cpu_idle+0xca/0x120 > : [] rest_init+0x72/0x74 > : [] start_kernel+0x3ba/0x3c5 > : [] x86_64_start_reservations+0x132/0x136 > : [] ? early_idt_handlers+0x140/0x140 > : [] x86_64_start_kernel+0x102/0x111