From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.candelatech.com ([208.74.158.172] helo=ns3.lanforge.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VWTkp-0005TQ-JY for ath10k@lists.infradead.org; Wed, 16 Oct 2013 16:15:24 +0000 Received: from [192.168.100.236] (firewall.candelatech.com [70.89.124.249]) (authenticated bits=0) by ns3.lanforge.com (8.14.2/8.14.2) with ESMTP id r9GG0Uq6026126 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 16 Oct 2013 09:01:11 -0700 Message-ID: <525EB81E.5060305@candelatech.com> Date: Wed, 16 Oct 2013 09:00:30 -0700 From: Ben Greear MIME-Version: 1.0 Subject: Fwd: ath10k related kernel crash in wireless-testing (3.12.0-rc3-wl+) References: <52588F0C.3000009@candelatech.com> In-Reply-To: <52588F0C.3000009@candelatech.com> 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@lists.infradead.org I sent this to the wrong list the first time. Do you know if this is already addressed? If not, I'll see if I can find a fix. Thanks, Ben -------- Original Message -------- Subject: ath10k related kernel crash in wireless-testing (3.12.0-rc3-wl+) Date: Fri, 11 Oct 2013 16:51:40 -0700 From: Ben Greear Organization: Candela Technologies To: ath9k-devel@lists.ath9k.org CC: linux-wireless@vger.kernel.org My kernel is lightly patched, no patches to ath10k. Looks like something is not checking a NULL pointer, but I did not dig into the code. I'm not actually running any traffic on the ath10k device. ath10k: Completion buffers are full ath10k: Completion buffers are full ath10k: MSI-X interrupt handling (8 intrs) e1000e: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx ath10k: UART prints disabled ath10k: firmware 1.0.0.636 booted ath10k: htt target version 2.1 ... ath10k: Completion buffers are full ath10k: Completion buffers are full IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready 8021q: adding VLAN 0 to HW filter on device eth1 IPv6: ADDRCONF(NETDEV_UP): sta0: link is not ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): sta0: link is not ready IPv6: ADDRCONF(NETDEV_UP): sta0: link is not ready ath10k: MSI-X interrupt handling (8 intrs) ath10k: Unable to wakeup target ath10k: target took longer 5000 us to wake up (awake count 1) ath10k: Failed to get pcie state addr: -16 ath10k: early firmware event indicated BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 IP: [] ath10k_ce_completed_send_next+0x47/0x122 [ath10k_pci] PGD d1f5b067 PUD d9c1c067 PMD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4 nfs fscache nf_nat_ipv4 nf_nat 8021q ga] CPU: 1 PID: 17 Comm: ksoftirqd/1 Tainted: G C 3.12.0-rc3-wl+ #10 Hardware name: To be filled by O.E.M. To be filled by O.E.M./HURONRIVER, BIOS 4.6.5 05/02/2012 task: ffff8802160fdd80 ti: ffff880216306000 task.ti: ffff880216306000 RIP: 0010:[] [] ath10k_ce_completed_send_next+0x47/0x122 [ath10k_pci] RSP: 0018:ffff880216307c98 EFLAGS: 00010246 RAX: 0000000000005b5b RBX: ffff88020bfbfc50 RCX: 0000000000057400 RDX: ffff88020c7e5f20 RSI: ffff880216307d10 RDI: ffff88020bfbfc48 RBP: ffff880216307cf8 R08: ffff880216307d1c R09: ffff8800d967d438 R10: ffff88021fa92ff0 R11: 0000000000000001 R12: ffff880216307d10 R13: ffff880216307d24 R14: ffff880216307d20 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88021fa80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 00000000d1c76000 CR4: 00000000000407e0 Stack: ffff880216307cc8 ffff8802160fdde8 ffff88021fa92ff0 ffff880216307d1c ffff88020bfbfc48 ffff88021fa92ff0 ffff880216307d08 ffff88020c7e5f20 ffff88020bfbf800 0000000000000000 ffff88020bfbfc48 0000000000057430 Call Trace: [] ath10k_pci_bmi_send_done+0x1d/0x32 [ath10k_pci] [] ? local_bh_enable_ip+0x9/0xb [] ? _raw_spin_unlock_bh+0x1f/0x21 [] ath10k_ce_per_engine_service+0xab/0xea [ath10k_pci] [] ath10k_pci_ce_tasklet+0x15/0x17 [ath10k_pci] [] tasklet_action+0x78/0xc6 [] __do_softirq+0xc4/0x19d [] run_ksoftirqd+0x23/0x42 [] smpboot_thread_fn+0x21e/0x223 [] ? smpboot_create_threads+0x61/0x61 [] kthread+0xb0/0xb8 [] ? kthread_freezable_should_stop+0x5b/0x5b [] ret_from_fork+0x7c/0xb0 [] ? kthread_freezable_should_stop+0x5b/0x5b Code: 38 4c 89 45 b8 48 8b 07 48 8b 80 a0 01 00 00 48 05 48 04 00 00 48 89 c7 48 89 45 c0 e8 b6 07 ee e0 RIP [] ath10k_ce_completed_send_next+0x47/0x122 [ath10k_pci] RSP CR2: 0000000000000004 ---[ end trace 6b10a0163cca0cc3 ]--- -- Ben Greear Candela Technologies Inc http://www.candelatech.com _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k