From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail2.candelatech.com ([208.74.158.173]) by merlin.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cIzdd-0001yr-7e for ath10k@lists.infradead.org; Mon, 19 Dec 2016 15:14:06 +0000 Received: from [192.168.254.12] (h208.6.186.173.ip.windstream.net [173.186.6.208]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail2.candelatech.com (Postfix) with ESMTPSA id E4D3840A7E2 for ; Mon, 19 Dec 2016 07:07:30 -0800 (PST) Message-ID: <5857F7B3.206@candelatech.com> Date: Mon, 19 Dec 2016 07:07:31 -0800 From: Ben Greear MIME-Version: 1.0 Subject: ath10k truesize issue? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: ath10k This warning is from the code below. Anyone seen this recently? I think this was from a 9984 NIC (we have several different NICs in this chassis). } else { if (skb_shinfo(to)->nr_frags + skb_shinfo(from)->nr_frags > MAX_SKB_FRAGS) return false; delta = from->truesize - SKB_TRUESIZE(skb_end_offset(from)); } WARN_ON_ONCE(delta < len); Dec 18 22:40:36 ct524-9933 kernel: WARNING: CPU: 7 PID: 0 at /home/greearb/git/linux-4.7.dev.y/net/core/skbuff.c:4283 skb_try_coalesce+0x402/0x410 Dec 18 22:40:36 ct524-9933 kernel: Modules linked in: nf_conntrack_netlink nf_conntrack nfnetlink wanlink(O) nf_defrag_ipv4 macvlan pktgen fuse vfat fat coretemp intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass ath10k_pci ath10k_core ath mac80211 iTCO_wdt iTCO_vendor_support ipmi_ssif cfg80211 hci_uart joydev i2c_i801 btbcm btqca btintel ie31200_edac bluetooth edac_core shpchp acpi_als tpm_tis kfifo_buf pinctrl_sunrisepoint intel_lpss_acpi ipmi_msghandler tpm industrialio video pinctrl_intel intel_lpss acpi_power_meter sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace sunrpc 8021q garp stp llc mrp ast drm_kms_helper ttm drm igb i2c_algo_bit ixgbe mdio hwmon dca ptp pps_core i2c_hid i2c_core fjes efivarfs ipv6 [last unloaded: nfnetlink] Dec 18 22:40:36 ct524-9933 kernel: CPU: 7 PID: 0 Comm: swapper/7 Tainted: G O 4.7.10+ #46 Dec 18 22:40:36 ct524-9933 kernel: Hardware name: Supermicro Super Server/X11SSM, BIOS 1.0b 12/29/2015 Dec 18 22:40:36 ct524-9933 kernel: 0000000000000000 ffff8804779c3688 ffffffff81409351 0000000000000000 Dec 18 22:40:36 ct524-9933 kernel: 0000000000000000 ffff8804779c36c8 ffffffff81103976 000010bb779c36a8 Dec 18 22:40:36 ct524-9933 kernel: ffff88007ce1f800 00000000000005a8 ffff8804779c3724 ffff880075b85000 Dec 18 22:40:36 ct524-9933 kernel: Call Trace: Dec 18 22:40:36 ct524-9933 kernel: [] dump_stack+0x63/0x82 Dec 18 22:40:36 ct524-9933 kernel: [] __warn+0xc6/0xe0 Dec 18 22:40:36 ct524-9933 kernel: [] warn_slowpath_null+0x18/0x20 Dec 18 22:40:36 ct524-9933 kernel: [] skb_try_coalesce+0x402/0x410 Dec 18 22:40:36 ct524-9933 kernel: [] tcp_try_coalesce+0x39/0xa0 Dec 18 22:40:36 ct524-9933 kernel: [] ? skb_checksum+0x21/0x30 Dec 18 22:40:36 ct524-9933 kernel: [] tcp_queue_rcv+0x52/0x140 Dec 18 22:40:36 ct524-9933 kernel: [] tcp_rcv_established+0x364/0x6f0 Dec 18 22:40:36 ct524-9933 kernel: [] tcp_v4_do_rcv+0x136/0x210 Dec 18 22:40:36 ct524-9933 kernel: [] tcp_v4_rcv+0x8d9/0xaf0 Dec 18 22:40:36 ct524-9933 kernel: [] ? iptable_filter_hook+0x22/0x60 Dec 18 22:40:36 ct524-9933 kernel: [] ip_local_deliver_finish+0x9b/0x1f0 Dec 18 22:40:36 ct524-9933 kernel: [] ip_local_deliver+0x5b/0xd0 Dec 18 22:40:36 ct524-9933 kernel: [] ? ip_rcv_finish+0x3f0/0x3f0 Dec 18 22:40:36 ct524-9933 kernel: [] ip_rcv_finish+0x11a/0x3f0 Dec 18 22:40:36 ct524-9933 kernel: [] ip_rcv+0x25f/0x380 Dec 18 22:40:36 ct524-9933 kernel: [] ? inet_del_offload+0x40/0x40 Dec 18 22:40:36 ct524-9933 kernel: [] __netif_receive_skb_core+0x684/0xa80 Dec 18 22:40:36 ct524-9933 kernel: [] ? kmem_cache_free+0x17a/0x180 Dec 18 22:40:36 ct524-9933 kernel: [] __netif_receive_skb+0x13/0x60 Dec 18 22:40:36 ct524-9933 kernel: [] netif_receive_skb_internal+0x23/0x90 Dec 18 22:40:36 ct524-9933 kernel: [] netif_receive_skb+0x17/0x80 Dec 18 22:40:36 ct524-9933 kernel: [] ieee80211_deliver_skb+0x157/0x1b0 [mac80211] Dec 18 22:40:36 ct524-9933 kernel: [] ieee80211_rx_handlers+0xa8a/0x2560 [mac80211] Dec 18 22:40:36 ct524-9933 kernel: [] ? dma_pte_clear_level+0x14a/0x190 Dec 18 22:40:36 ct524-9933 kernel: [] ieee80211_prepare_and_rx_handle+0x597/0x10a0 [mac80211] Dec 18 22:40:36 ct524-9933 kernel: [] ieee80211_rx_napi+0x27a/0x930 [mac80211] Dec 18 22:40:36 ct524-9933 kernel: [] ath10k_process_rx+0x2ac/0x4a0 [ath10k_core] Dec 18 22:40:36 ct524-9933 kernel: [] ath10k_htt_rx_h_deliver+0x35/0x80 [ath10k_core] Dec 18 22:40:36 ct524-9933 kernel: [] ath10k_htt_txrx_compl_task+0xc91/0xe60 [ath10k_core] Dec 18 22:40:36 ct524-9933 kernel: [] tasklet_action+0x10b/0x120 Dec 18 22:40:36 ct524-9933 kernel: [] __do_softirq+0xca/0x2b0 Dec 18 22:40:36 ct524-9933 kernel: [] irq_exit+0x89/0x90 Dec 18 22:40:36 ct524-9933 kernel: [] do_IRQ+0x4f/0xd0 Dec 18 22:40:36 ct524-9933 kernel: [] common_interrupt+0x82/0x82 Dec 18 22:40:36 ct524-9933 kernel: [] ? cpuidle_enter_state+0x110/0x290 Dec 18 22:40:36 ct524-9933 kernel: [] cpuidle_enter+0x12/0x20 Dec 18 22:40:36 ct524-9933 kernel: [] call_cpuidle+0x25/0x40 Dec 18 22:40:36 ct524-9933 kernel: [] cpu_startup_entry+0x2b2/0x370 Dec 18 22:40:36 ct524-9933 kernel: [] start_secondary+0x14d/0x170 Dec 18 22:40:36 ct524-9933 kernel: ---[ end trace fa9eabf037886c79 ]--- Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k