Error: command ['sh', '-c', 'dmesg | comm -13 /var/log/dmesg -'] failed with exit code 1: [ 54.492063] tg3: eth0: Link is up at 100 Mbps, full duplex. [ 54.492066] tg3: eth0: Flow control is on for TX and on for RX. [ 54.492334] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 64.840050] eth0: no IPv6 routers present [ 71.616047] vboxdrv: Trying to deactivate the NMI watchdog permanently... [ 71.616054] vboxdrv: Successfully done. [ 71.616057] vboxdrv: Found 2 processor cores. [ 71.616254] VBoxDrv: dbg - g_abExecMemory=ffffffffa0c9d440 [ 71.616271] vboxdrv: fAsync=1 offMin=0xfb4664d4 offMax=0xfb4664d4 [ 71.619445] vboxdrv: TSC mode is 'asynchronous', kernel timer mode is 'normal'. [ 71.619451] vboxdrv: Successfully loaded version 3.0.6 (interface 0x000e0000). [ 71.827733] VBoxNetFlt: dbg - g_abExecMemory=ffffffffa0e3c1c0 [ 71.830092] VBoxNetAdp: dbg - g_abExecMemory=ffffffffa0e55ac0 [ 71.896814] ppdev: user-space parallel port driver comm: file 2 is not in sorted order [ 174.332086] usb 3-2: new full speed USB device using uhci_hcd and address 2 [ 174.487491] usb 3-2: configuration #1 chosen from 1 choice [ 174.555678] Initializing USB Mass Storage driver... [ 174.557396] usbcore: registered new interface driver usb-storage [ 174.557582] USB Mass Storage support registered. [ 174.896085] usb 3-2: USB disconnect, address 2 [ 175.136086] usb 3-2: new full speed USB device using uhci_hcd and address 3 [ 175.293011] usb 3-2: configuration #1 chosen from 1 choice [ 175.337494] usbcore: registered new interface driver usbserial [ 175.337510] USB Serial support registered for generic [ 175.337557] usbcore: registered new interface driver usbserial_generic [ 175.337559] usbserial: USB Serial Driver core [ 175.441290] USB Serial support registered for GSM modem (1-port) [ 175.441372] option 3-2:1.0: GSM modem (1-port) converter detected [ 175.441511] usb 3-2: GSM modem (1-port) converter now attached to ttyUSB0 [ 175.441531] option 3-2:1.1: GSM modem (1-port) converter detected [ 175.441622] usb 3-2: GSM modem (1-port) converter now attached to ttyUSB1 [ 175.441653] usbcore: registered new interface driver option [ 175.441657] option: v0.7.2:USB Driver for GSM modems [ 187.630593] PPP BSD Compression module registered [ 187.647421] PPP Deflate Compression module registered [ 205.248135] usb 3-2: USB disconnect, address 3 [ 205.249701] option: option_instat_callback: error -108 [ 205.250062] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [ 205.250092] option 3-2:1.0: device disconnected [ 205.250339] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [ 205.250386] option 3-2:1.1: device disconnected [ 206.300329] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 [ 206.300341] IP: [] serial_do_free+0x42/0x90 [usbserial] [ 206.300361] PGD 4650f067 PUD 7c430067 PMD 0 [ 206.300370] Oops: 0000 [#1] SMP [ 206.300376] last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0/charge_full [ 206.300383] CPU 0 [ 206.300387] Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt option usbserial usb_storage binfmt_misc ppdev vboxnetadp vboxnetflt vboxdrv snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi arc4 snd_rawmidi ecb snd_seq_midi_event iwl3945 iwlcore snd_seq snd_timer joydev snd_seq_device mac80211 pcmcia iptable_filter yenta_socket coretemp snd led_class ip_tables rsrc_nonstatic x_tables soundcore dell_wmi pcmcia_core lp psmouse parport dell_laptop dcdbas serio_raw cfg80211 nvidia(P) snd_page_alloc sha256_generic aes_x86_64 aes_generic cbc dm_crypt tg3 video output intel_agp [ 206.300485] Pid: 2503, comm: pppd Tainted: P 2.6.31-11-generic #36-Ubuntu Latitude D620 [ 206.300491] RIP: 0010:[] [] serial_do_free+0x42/0x90 [usbserial] [ 206.300504] RSP: 0018:ffff88004d44fd58 EFLAGS: 00010286 [ 206.300509] RAX: 0000000000000000 RBX: ffff88006e978000 RCX: ffff8800465ea000 [ 206.300514] RDX: 0000000000000000 RSI: ffff88006a06e180 RDI: ffff88007c1a0d90 [ 206.300518] RBP: ffff88004d44fd78 R08: ffff88005a233c60 R09: 0000000000000000 [ 206.300523] R10: 00007ffffdb9bd20 R11: 0000000000000246 R12: ffff88006e978068 [ 206.300528] R13: ffff88006a06e180 R14: 0000000000000000 R15: ffff88007b7dce00 [ 206.300534] FS: 00007fb935bf96f0(0000) GS:ffff8800019cb000(0000) knlGS:0000000000000000 [ 206.300540] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 206.300544] CR2: 0000000000000038 CR3: 0000000046511000 CR4: 00000000000006b0 [ 206.300549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 206.300554] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 206.300560] Process pppd (pid: 2503, threadinfo ffff88004d44e000, task ffff8800464896b0) [ 206.300564] Stack: [ 206.300566] ffff8800465ea000 ffff88007c1a0c00 ffff8800465ea000 ffff88006a06e180 [ 206.300574] <0> ffff88004d44fda8 ffffffffa0e76185 ffff8800465ea000 0000000000000000 [ 206.300583] <0> ffff88006a06e180 ffff88006e817910 ffff88004d44fe98 ffffffff812eecf9 [ 206.300593] Call Trace: [ 206.300606] [] serial_close+0x95/0xc0 [usbserial] [ 206.300616] [] tty_release_dev+0x159/0x5f0 [ 206.300626] [] ? default_spin_lock_flags+0x9/0x10 [ 206.300634] [] ? _spin_lock_irqsave+0x2a/0x40 [ 206.300643] [] ? lock_hrtimer_base+0x2c/0x60 [ 206.300650] [] ? hrtimer_try_to_cancel+0x3d/0x90 [ 206.300656] [] ? hrtimer_cancel+0x1a/0x30 [ 206.300663] [] tty_release+0x19/0x30 [ 206.300671] [] __fput+0xf0/0x210 [ 206.300678] [] fput+0x1d/0x30 [ 206.300684] [] filp_close+0x58/0x90 [ 206.300690] [] sys_close+0xb9/0x110 [ 206.300698] [] system_call_fastpath+0x16/0x1b [ 206.300702] Code: 01 00 00 00 74 13 48 8b 5d e8 4c 8b 65 f0 4c 8b 6d f8 c9 c3 0f 1f 44 00 00 48 8b 1f 48 81 c7 90 01 00 00 48 8b 43 08 4c 8d 63 68 <4c> 8b 68 38 e8 45 1f 4a e0 4c 89 e7 e8 2d c0 6a e0 f6 43 18 01 [ 206.300775] RIP [] serial_do_free+0x42/0x90 [usbserial] [ 206.300788] RSP [ 206.300791] CR2: 0000000000000038 [ 206.300796] ---[ end trace 27519a0d04114804 ]---