New wireless network card in can't drive
Bus 001 Device 005:ID 148f:7601 Ralink Technology, Corp.
I downloaded the MT7601U driver DPO_MT7601U_LinuxSTA_3.0.0.4_20130913.tar.bz2 from Mediatek website compile properly after installing driver to connect to a wireless network. But once the Web page is open system just crashed. Dmesg in panic before I got problem solved find hope
[ 645.883776] skbuff: skb_over_panic: text:ffffffff815e5e3b len:1570 put:130 head:ffff8800c93d8f80 data:ffff8800c93d9024 tail:0xc93d9646 end:0x680 dev:<NULL>
[ 645.883819] ------------[ cut here ]------------
[ 645.883854] kernel BUG at /build/buildd/linux-3.13.44/net/core/skbuff.c:126!
[ 645.883889] invalid opcode: 0000 [#1] SMP
[ 645.883917] Modules linked in: rndis_host cdc_ether usbnet mii cfg80211 rfcomm bnep bluetooth mt7601Usta(OF) coretemp kvm_intel kvm hid_generic gpio_ich ppdev usbhid hid snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc lpc_ich snd_seq_midi snd_seq_midi_event microcode psmouse serio_raw snd_rawmidi nouveau snd_seq snd_seq_device snd_timer mxm_wmi parport_pc wmi video ttm drm_kms_helper snd drm mac_hid i2c_algo_bit soundcore lp parport atl1c
[ 645.884233] CPU: 0 PID: 0 Comm: swapper/0 Tainted: GFO 3.13.44-generic #31-Ubuntu
[ 645.884274] Hardware name: MSI MS-7592/G41TM-P31 (MS-7592), BIOS V1.14 05/18/2011
[ 645.884311] task: ffffffff81c15440 ti: ffffffff81c00000 task.ti: ffffffff81c00000
[ 645.884348] RIP: 0010:[<ffffffff816e9f1d>] [<ffffffff816e9f1d>] skb_panic+0x63/0x65
[ 645.884393] RSP: 0018:ffff88012fc03b18 EFLAGS: 00010286
[ 645.884420] RAX: 000000000000008f RBX: ffff8800c91cb000 RCX: 0000000000000000
[ 645.884456] RDX: 00000000000400f6 RSI: ffff88012fc0e428 RDI: 0000000000000246
[ 645.884491] RBP: ffff88012fc03b38 R08: 000000000000000a R09: 0000000000001590
[ 645.884526] R10: 0000000000000000 R11: ffff88012fc0383e R12: ffff8800c91cb100
[ 645.884561] R13: 0000000000000082 R14: ffff88012fc03ba4 R15: 0000000000000014
[ 645.884596] FS: 0000000000000000(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
[ 645.884637] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 645.884665] CR2: 00007f3bf64b2019 CR3: 00000000c6bf9000 CR4: 00000000000407f0
[ 645.884700] Stack:
[ 645.884712] ffff8800c93d9024 00000000c93d9646 0000000000000680 ffffffff81a74a6f
[ 645.884756] ffff88012fc03b48 ffffffff815e2578 ffff88012fc03b90 ffffffff815e5e3b
[ 645.884801] ffffffff815e176b 0000000100000000 ffff88010dfd5100 ffff8800c91cb000
[ 645.884845] Call Trace:
[ 645.884859] <IRQ>
[ 645.884871] [<ffffffff815e2578>] skb_put+0x48/0x50
[ 645.884905] [<ffffffff815e5e3b>] skb_try_coalesce+0xbb/0x400
[ 645.884935] [<ffffffff815e176b>] ? skb_checksum+0x5b/0x2f0
[ 645.884966] [<ffffffff81637fed>] tcp_try_coalesce.part.40+0x2d/0x90
[ 645.884999] [<ffffffff81638fd8>] tcp_queue_rcv+0xf8/0x130
[ 645.885029] [<ffffffff8163e284>] tcp_rcv_established+0x314/0x670
[ 645.885062] [<ffffffff81648155>] tcp_v4_do_rcv+0x1b5/0x470
[ 645.885092] [<ffffffff810f9882>] ? handle_fasteoi_irq+0x72/0x100
[ 645.885124] [<ffffffff8164a327>] tcp_v4_rcv+0x777/0x790
[ 645.885153] [<ffffffff816eee2d>] ? common_interrupt+0x6d/0x6d
[ 645.885185] [<ffffffff816259e4>] ip_local_deliver_finish+0xb4/0x1f0
[ 645.885219] [<ffffffff81625cb8>] ip_local_deliver+0x48/0x80
[ 645.885248] [<ffffffff81625689>] ip_rcv_finish+0x79/0x320
[ 645.885278] [<ffffffff81625f24>] ip_rcv+0x234/0x370
[ 645.885306] [<ffffffff815f1506>] __netif_receive_skb_core+0x646/0x830
[ 645.885339] [<ffffffff815f1708>] __netif_receive_skb+0x18/0x60
[ 645.885370] [<ffffffff815f220d>] process_backlog+0xad/0x1a0
[ 645.885399] [<ffffffff815f1aac>] net_rx_action+0x11c/0x230
[ 645.885430] [<ffffffff81067457>] __do_softirq+0xf7/0x240
[ 645.885459] [<ffffffff816f8edc>] call_softirq+0x1c/0x30
[ 645.885489] [<ffffffff81014bf5>] do_softirq+0x55/0x90
[ 645.885516] [<ffffffff81067735>] irq_exit+0xb5/0xc0
[ 645.885543] [<ffffffff816f97d6>] do_IRQ+0x56/0xc0
[ 645.885569] [<ffffffff816eee2d>] common_interrupt+0x6d/0x6d
[ 645.885597] <EOI>
[ 645.885609] [<ffffffff8104d386>] ? native_safe_halt+0x6/0x10
[ 645.885646] [<ffffffff8101b24f>] default_idle+0x1f/0xc0
[ 645.885675] [<ffffffff8101bb16>] arch_cpu_idle+0x26/0x30
[ 645.885705] [<ffffffff810b5805>] cpu_startup_entry+0xe5/0x280
[ 645.885737] [<ffffffff816d67a7>] rest_init+0x77/0x80
[ 645.885765] [<ffffffff81d26ef7>] start_kernel+0x40a/0x416
[ 645.887118] [<ffffffff81d268f6>] ? repair_env_string+0x5c/0x5c
[ 645.887738] [<ffffffff81d26120>] ? early_idt_handlers+0x120/0x120
[ 645.887738] [<ffffffff81d265de>] x86_64_start_reservations+0x2a/0x2c
[ 645.887738] [<ffffffff81d266e8>] x86_64_start_kernel+0x108/0x117
[ 645.887738] Code: 00 00 48 89 44 24 10 8b 87 c8 00 00 00 48 89 44 24 08 48 8b 87 d8 00 00 00 48 c7 c7 98 81 ad 81 48 89 04 24 31 c0 e8 83 7c ff ff <0f> 0b 55 48 89 e5 0f 0b 55 48 89 e5 0f 0b 55 48 89 e5 0f 0b 66
[ 645.887738] RIP [<ffffffff816e9f1d>] skb_panic+0x63/0x65
[ 645.887738] RSP <ffff88012fc03b18>
[ 651.004092] MediaState is connected
[ 651.004357] ==>rt_ioctl_giwmode(mode=2)
[ 651.004609] ==>rt_ioctl_giwfreq 11
[ 651.004879] rt28xx_get_wireless_stats --->
[ 651.005156] <--- rt28xx_get_wireless_stats
Here is some information about wireless driver
sudo lshw -numeric -class network
*-network:1
description: Wireless interface
physical id: 3
logical name: ra0
serial: 44:33:4c:2b:a5:14
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=RALINK WLAN multicast=yes wireless=Ralink STA
sudo iwlist scan
ra0 Scan completed :
Cell 01 - Address: 38:83:45:C8:53:30
Protocol:11b/g/n BW40
ESSID:"WiFi-Lyoko"
Mode:Managed
Frequency:2.462 GHz (Channel 11)
Quality=100/100 Signal level=-45 dBm Noise level=-92 dBm
Encryption key:on
Bit Rates:150 Mb/s
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
