Hi David, currently i work on other ath9k_htc related issue. If you or some body else can work on this one it will be great. Am 05.12.2013 11:31, schrieb David Herrmann: > Hi > > I'm testing wifi-P2P with an ath9k_htc device. The relevant log from wpa_cli is: > >> p2p_find > OK > <3>P2P-DEVICE-FOUND 12:68:3f:4e:39:f2 p2p_dev_addr=12:68:3f:4e:39:f2 > pri_dev_type=10-0050F204-5 name='dvdhrm-nx' config_methods=0x188 > dev_capab=0x25 group_capab=0x0 > <3>P2P-PROV-DISC-SHOW-PIN 12:68:3f:4e:39:f2 33413853 > p2p_dev_addr=12:68:3f:4e:39:f2 pri_dev_type=10-0050F204-5 > name='dvdhrm-nx' config_methods=0x188 dev_capab=0x25 group_capab=0x0 >> p2p_connect 12:68:3f:4e:39:f2 pin > 98344376 > <3>P2P-FIND-STOPPED > <3>P2P-GO-NEG-SUCCESS role=GO freq=2462 ht40=0 > peer_dev=12:68:3f:4e:39:f2 peer_iface=12:68:3f:4e:b9:f2 > wps_method=Display > > After the P2P-GO-NEG-SUCCESS I get a NULL-deref in the ath9k-htc > driver, logs appended below. Kernel is 3.12.2 but I also get this with > 3.11. I can test any -git trees if you want, but bisecting won't work > as I don't know any working revision. > > Any hints are welcome! > Thanks > David > > > Dec 05 11:13:46 david-ub kernel: BUG: unable to handle kernel NULL > pointer dereference at 000000000000000c > Dec 05 11:13:46 david-ub kernel: IP: [<ffffffffa0b6d9e2>] > ar9002_hw_calibrate+0x3b2/0x430 [ath9k_hw] > Dec 05 11:13:46 david-ub kernel: PGD 0. > Dec 05 11:13:46 david-ub kernel: Oops: 0002 [#1] PREEMPT SMP. > Dec 05 11:13:46 david-ub kernel: Modules linked in: ath9k_htc > ath9k_common ath9k_hw ath btusb bluetooth crc16 uvcvideo > videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media > x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm > crct10dif_pclmul crct10dif_common crc32_pclmul ghash_clmulni_intel > aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd > joydev arc4 hid_sensor_hub nls_cp437 vfat fat hid_generic > microread_mei microread crc_ccitt mei_phy hid_multitouch hci nfc > iwldvm iTCO_wdt iTCO_vendor_support mac80211 iwlwifi microcode psmouse > evdev snd_hda_codec_hdmi ums_realtek usbhid usb_storage serio_raw hid > cfg80211 pcspkr i2c_i801 snd_hda_codec_realtek rfkill i915 fan thermal > snd_hda_intel intel_agp intel_gtt drm_kms_helper snd_hda_codec drm > battery video snd_hwdep snd_pcm i2c_algo_bit i2c_core > Dec 05 11:13:46 david-ub kernel: snd_page_alloc ac mei_me snd_timer > snd mei button soundcore shpchp lpc_ich processor usbip_host(C) > usbip_core(C) btrfs libcrc32c xor raid6_pq sd_mod crc32c_intel ahci > libahci libata ehci_pci xhci_hcd ehci_hcd scsi_mod usbcore usb_common > Dec 05 11:13:46 david-ub kernel: CPU: 1 PID: 6 Comm: kworker/u32:0 > Tainted: G C 3.12.2-1-ARCH #1 > Dec 05 11:13:46 david-ub kernel: Hardware name: Intel Corporation 2012 > Client Platform/Latexo FFRD, BIOS ACRVMBY1.86C.0094.P02.1207301240 > 07/30/2012 > Dec 05 11:13:46 david-ub kernel: Workqueue: phy2 ath9k_htc_ani_work > [ath9k_htc] > Dec 05 11:13:46 david-ub kernel: task: ffff8801492dab70 ti: > ffff880149352000 task.ti: ffff880149352000 > Dec 05 11:13:46 david-ub kernel: RIP: 0010:[<ffffffffa0b6d9e2>] > [<ffffffffa0b6d9e2>] ar9002_hw_calibrate+0x3b2/0x430 [ath9k_hw] > Dec 05 11:13:46 david-ub kernel: RSP: 0018:ffff880149353db0 EFLAGS: > 00010286 > Dec 05 11:13:46 david-ub kernel: RAX: 0000000000000001 RBX: > ffff880149294000 RCX: 00000000ffffffff > Dec 05 11:13:46 david-ub kernel: RDX: 0000000000000000 RSI: > 0000000000000046 RDI: 0000000000000246 > Dec 05 11:13:46 david-ub kernel: RBP: ffff880149353de8 R08: > 0000000000000000 R09: 0000000000000001 > Dec 05 11:13:46 david-ub kernel: R10: 0000000000000002 R11: > 0000000000000000 R12: 0000000000000000 > Dec 05 11:13:46 david-ub kernel: R13: ffff880149294220 R14: > ffff8801492955c0 R15: 0000000000000000 > Dec 05 11:13:46 david-ub kernel: FS: 0000000000000000(0000) > GS:ffff88014f220000(0000) knlGS:0000000000000000 > Dec 05 11:13:46 david-ub kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > 0000000080050033 > Dec 05 11:13:46 david-ub kernel: CR2: 000000000000000c CR3: > 000000000280d000 CR4: 00000000001407e0 > Dec 05 11:13:46 david-ub kernel: Stack: > Dec 05 11:13:46 david-ub kernel: 00000000a0bdba8e ffff880100000000 > ffff880149294000 ffff88013e42dde0 > Dec 05 11:13:46 david-ub kernel: 0000000055554fb8 ffff88013e42d7c0 > 0000000000000000 ffff880149353e20 > Dec 05 11:13:46 david-ub kernel: ffffffffa0bda99a ffff88014925db00 > ffff88014a811800 ffff88013e42dde0 > Dec 05 11:13:46 david-ub kernel: Call Trace: > Dec 05 11:13:46 david-ub kernel: [<ffffffffa0bda99a>] > ath9k_htc_ani_work+0xea/0x1a0 [ath9k_htc] > Dec 05 11:13:46 david-ub kernel: [<ffffffff8107daf7>] > process_one_work+0x167/0x450 > Dec 05 11:13:46 david-ub kernel: [<ffffffff8107e501>] worker_thread+0x121/0x3a0 > Dec 05 11:13:46 david-ub kernel: [<ffffffff8107e3e0>] ? > manage_workers.isra.23+0x2b0/0x2b0 > Dec 05 11:13:46 david-ub kernel: [<ffffffff81084e90>] kthread+0xc0/0xd0 > Dec 05 11:13:46 david-ub kernel: [<ffffffff81084dd0>] ? > kthread_create_on_node+0x120/0x120 > Dec 05 11:13:46 david-ub kernel: [<ffffffff814fc33c>] ret_from_fork+0x7c/0xb0 > Dec 05 11:13:46 david-ub kernel: [<ffffffff81084dd0>] ? > kthread_create_on_node+0x120/0x120 > Dec 05 11:13:46 david-ub kernel: Code: d3 f8 83 e0 01 83 f8 01 83 de > ff 83 c1 01 83 f9 03 75 eb 44 89 45 d0 40 0f b6 f6 48 89 df 41 ff 51 > 18 49 8b 06 44 8b 45 d0 8b 00 <41> 09 47 0c 49 8b 76 10 41 c7 46 08 03 > 00 00 00 48 89 b3 00 16. > Dec 05 11:13:46 david-ub kernel: RIP [<ffffffffa0b6d9e2>] > ar9002_hw_calibrate+0x3b2/0x430 [ath9k_hw] > Dec 05 11:13:46 david-ub kernel: RSP <ffff880149353db0> > Dec 05 11:13:46 david-ub kernel: CR2: 000000000000000c > Dec 05 11:13:46 david-ub kernel: ---[ end trace 568b2b5d97c813d2 ]--- > Dec 05 11:13:46 david-ub kernel: BUG: unable to handle kernel paging > request at ffffffffffffffd8 > Dec 05 11:13:46 david-ub kernel: IP: [<ffffffff810854f0>] kthread_data+0x10/0x20 > > > The log before the oops is just the USB-hotplug information: > > Dec 05 11:12:59 david-ub kernel: usb 1-3: new high-speed USB device > number 3 using xhci_hcd > Dec 05 11:12:59 david-ub kernel: usbip-host 1-3:1.0: 1-3 is not in > match_busid table... skip! > Dec 05 11:12:59 david-ub kernel: usb 1-3: ath9k_htc: Firmware > htc_7010.fw requested > Dec 05 11:12:59 david-ub kernel: usb 1-3: ath9k_htc: Transferred FW: > htc_7010.fw, size: 72992 > Dec 05 11:12:59 david-ub kernel: ath9k_htc 1-3:1.0: ath9k_htc: HTC > initialized with 45 credits > Dec 05 11:13:00 david-ub kernel: ath9k_htc 1-3:1.0: ath9k_htc: FW Version: 1.3 > Dec 05 11:13:00 david-ub kernel: ath: EEPROM regdomain: 0x6a > Dec 05 11:13:00 david-ub kernel: ath: EEPROM indicates we should > expect a direct regpair map > Dec 05 11:13:00 david-ub kernel: ath: Country alpha2 being used: 00 > Dec 05 11:13:00 david-ub kernel: ath: Regpair used: 0x6a > Dec 05 11:13:00 david-ub kernel: ieee80211 phy2: Atheros AR9280 Rev:2 > Dec 05 11:13:02 david-ub kernel: IPv6: ADDRCONF(NETDEV_UP): wlan1: > link is not ready > Dec 05 11:13:46 david-ub kernel: IPv6: ADDRCONF(NETDEV_UP): > p2p-wlan1-0: link is not ready > Dec 05 11:13:46 david-ub kernel: IPv6: ADDRCONF(NETDEV_UP): > p2p-wlan1-0: link is not ready > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Regards, Oleksij
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