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 1UzYMo-0007QW-88 for ath10k@lists.infradead.org; Wed, 17 Jul 2013 20:30:31 +0000 Received: from [192.168.100.226] (firewall.candelatech.com [70.89.124.249]) (authenticated bits=0) by ns3.lanforge.com (8.14.2/8.14.2) with ESMTP id r6HKU6s5004875 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 17 Jul 2013 13:30:06 -0700 Message-ID: <51E6FECE.40401@candelatech.com> Date: Wed, 17 Jul 2013 13:30:06 -0700 From: Ben Greear MIME-Version: 1.0 Subject: 3.11.0-rc1: Crash on rmmod of ath10k_pci 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 So, started testing on a v2 ath10k board today. wlanX showed up once I updated to 3.11.0-rc1 (didn't work on a 3.10 -wl kernel I had laying around). rmmod of ath10k_pci blows up pretty spectacularly however... I'll go looking for a different tree to test upon... [root@LEC2270-1 ~]# BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 IP: [] ath10k_ce_per_engine_service+0x2c/0x17a [ath10k_pci] PGD 1f12d9067 PUD 1f1299067 PMD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: nf_nat_ipv4 nf_nat 8021q garp stp mrp llc fuse macvlan wanlink(O) pktgen lockd sunrpc f71882fg coretemp hwmon snd_hda_codec_hdmi snd_hda_codec_rea] CPU: 1 PID: 5085 Comm: rmmod Tainted: G C O 3.11.0-rc1+ #2 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: ffff8801ecb7ae80 ti: ffff8801e8934000 task.ti: ffff8801e8934000 RIP: 0010:[] [] ath10k_ce_per_engine_service+0x2c/0x17a [ath10k_pci] RSP: 0018:ffff88021fa83e78 EFLAGS: 00010286 RAX: ffff88021598c000 RBX: 0000000000000000 RCX: ffff88021fa83ec8 RDX: ffff88021598c0f8 RSI: 0000000000000000 RDI: ffff88020d015f20 RBP: ffff88021fa83ed8 R08: ffff88021fa83f88 R09: ffff88021fa8e640 R10: ffff88021fa930a0 R11: ffff88021fa83ee8 R12: ffff88020d015f20 R13: ffff88021598c450 R14: 0000000000000009 R15: 0000000000000030 FS: 00007f3fe79f6740(0000) GS:ffff88021fa80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000010 CR3: 00000001f1223000 CR4: 00000000000407e0 Stack: ffff88021fa83e88 ffffffff81579152 ffff88021fa83f08 ffffffff810ab7be ffffffff810305d4 ffff88021fa8db40 ffff88021fa83ed8 ffff88021598c168 ffff88021598c100 0000000000000101 0000000000000009 0000000000000030 Call Trace: [] ? _raw_spin_unlock_irq+0x26/0x31 [] ? run_timer_softirq+0x1dd/0x1ec [] ? lapic_next_deadline+0x2f/0x36 [] ath10k_pci_ce_tasklet+0x15/0x17 [ath10k_pci] [] tasklet_action+0x78/0xc6 [] __do_softirq+0xc4/0x19d [] irq_exit+0x46/0xa3 [] smp_apic_timer_interrupt+0x2a/0x37 [] apic_timer_interrupt+0x6d/0x80 [] ? _raw_spin_unlock_irqrestore+0xf/0x37 [] __free_irq+0x116/0x1a4 [] free_irq+0x72/0x8b [] ath10k_pci_stop_intr+0x35/0x5c [ath10k_pci] [] ath10k_pci_remove+0x64/0xad [ath10k_pci] [] pci_device_remove+0x3a/0x91 [] __device_release_driver+0x84/0xda [] driver_detach+0x8a/0xb0 [] bus_remove_driver+0xb4/0xd7 [] driver_unregister+0x67/0x6f [] pci_unregister_driver+0x20/0x85 [] ath10k_pci_exit+0x10/0x12 [ath10k_pci] [] SyS_delete_module+0x1f7/0x25b [] ? do_notify_resume+0x58/0x69 [] system_call_fastpath+0x16/0x1b Code: 89 f6 48 89 e5 41 57 41 56 41 55 41 54 49 89 fc 53 48 83 ec 38 4c 8b af 90 01 00 00 49 8b 9c f5 58 04 00 00 49 81 c5 50 04 00 00 <44> 8b 73 10 e8 c3 fc ff ff 4 RIP [] ath10k_ce_per_engine_service+0x2c/0x17a [ath10k_pci] RSP CR2: 0000000000000010 ---[ end trace ca9bd6378a42a1a7 ]--- -- Ben Greear Candela Technologies Inc http://www.candelatech.com _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k