EeePC 1000H, 2GB RAM, Wireless and Bluetooth Enabled, no Ethernet connection, all previous Connections Deleted to prevent auto connection via wifi and let the Broadband Wizard begin. Linux pc 2.6.30-020630rc7-generic #020630rc7 Boot with the ZTE MF636 (original mode 19d2 : 2000) attached The ZTEMODEM drive found, wait around 30 seconds and dmesg > dmesg_g1.txt (attached) No stuck at this point. In another try, after ejecting the ZTEMODEM drive, dmesg shows a loop while creates the ttyUSBx ports, reaching ttyUSB14, 15 ... [ 317.307900] option 1-3:1.0: GSM modem (1-port) converter detected [ 317.308173] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB12 [ 323.265365] BUG: unable to handle kernel NULL pointer dereference at 00000029 [ 323.265391] IP: [] usb_kill_urb+0x13/0xa0 [ 323.265418] *pde = 00000000 [ 323.265430] Oops: 0000 [#10] SMP [ 323.265443] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/idProduct [ 323.265455] Modules linked in: isofs option usbserial usb_storage i915 drm i2c_algo_bit binfmt_misc ppdev bridge stp bnep lp parport joydev snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device iTCO_wdt iTCO_vendor_support snd uvcvideo psmouse soundcore serio_raw videodev v4l1_compat intel_agp pcspkr btusb rt2860sta(C) snd_page_alloc agpgart video output eeepc_laptop atl1e [ 323.265600] [ 323.265614] Pid: 4113, comm: nm-modem-probe Tainted: G D C (2.6.30-020630rc7-generic #020630rc7) 1000H [ 323.265629] EIP: 0060:[] EFLAGS: 00010202 CPU: 0 [ 323.265642] EIP is at usb_kill_urb+0x13/0xa0 [ 323.265653] EAX: 00000000 EBX: 00000001 ECX: f4d0f900 EDX: f6a5fa00 [ 323.265665] ESI: f4d63300 EDI: f4dcd998 EBP: f4e5be58 ESP: f4e5be3c [ 323.265676] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 323.265690] Process nm-modem-probe (pid: 4113, ti=f4e5a000 task=f4e02550 task.ti=f4e5a000) [ 323.265700] Stack: [ 323.265706] 00000001 c1e0d1c0 00000002 f4e5be58 c050ec64 00000002 f4d63300 f4e5be80 [ 323.265733] f812f93e 00000000 c06eecc0 00000000 f6a5fa00 f4c7b000 f8133000 f6a5fa00 [ 323.265761] f4dcd960 f4e5beb8 f8107e73 ffffffff ffffffff f4c7b000 f4d0f900 f4d0f900 [ 323.265792] Call Trace: [ 323.265800] [] ? mutex_lock+0x14/0x40 [ 323.265820] [] ? option_close+0x5e/0xd0 [option] [ 323.265849] [] ? serial_close+0x133/0x180 [usbserial] [ 323.265879] [] ? tty_release_dev+0x139/0x480 [ 323.265900] [] ? arch_flush_lazy_mmu_mode+0x8/0x40 [ 323.265919] [] ? kunmap_atomic+0x72/0x90 [ 323.265936] [] ? do_anonymous_page+0x149/0x1a0 [ 323.265957] [] ? tty_release+0x12/0x20 [ 323.265973] [] ? __fput+0xb1/0x1c0 [ 323.265992] [] ? fput+0x19/0x20 [ 323.266007] [] ? filp_close+0x47/0x70 [ 323.266024] [] ? do_page_fault+0x188/0x2e0 [ 323.266042] [] ? sys_close+0x61/0xb0 [ 323.266059] [] ? sysenter_do_call+0x12/0x28 [ 323.266078] Code: 08 85 c0 75 e3 89 f2 b8 78 1f 6e c0 e8 a7 be d8 ff 83 c4 14 5b 5e 5d c3 55 89 e5 56 53 89 c3 83 ec 14 e8 a1 a4 14 00 85 db 74 7a <8b> 43 28 85 c0 74 73 8b 43 2c 85 c0 74 6c f0 ff 43 0c ba fe ff [ 323.266225] EIP: [] usb_kill_urb+0x13/0xa0 SS:ESP 0068:f4e5be3c [ 323.266245] CR2: 0000000000000029 [ 323.266256] ---[ end trace 66e1eae8b92621e8 ]--- [ 332.376580] option1 ttyUSB12: GSM modem (1-port) converter now disconnected from ttyUSB12 [ 332.376656] option 1-3:1.0: device disconnected [ 332.377516] option1 ttyUSB9: GSM modem (1-port) converter now disconnected from ttyUSB9 [ 332.377614] option 1-3:1.1: device disconnected [ 332.377782] option: option_instat_callback: error -108 [ 332.378093] option1 ttyUSB8: GSM modem (1-port) converter now disconnected from ttyUSB8 [ 332.378200] option 1-3:1.3: device disconnected [ 332.489136] usb 1-3: reset high speed USB device using ehci_hcd and address 5 [ 332.624166] option 1-3:1.3: GSM modem (1-port) converter detected [ 332.624521] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB8 [ 332.624639] option 1-3:1.1: GSM modem (1-port) converter detected [ 332.624840] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB9 [ 332.624952] option 1-3:1.0: GSM modem (1-port) converter detected [ 332.625223] usb 1-3: GSM modem (1-port) converter now attached to ttyUSB13 [ 338.585598] BUG: unable to handle kernel NULL pointer dereference at 0000002a [ 338.585624] IP: [] usb_kill_urb+0x13/0xa0 [ 338.585652] *pde = 00000000 [ 338.585664] Oops: 0000 [#11] SMP [ 338.585677] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/idProduct >>> After some ttyUSBxx it stucks here! Full file attached to next post: dmesg_7.txt In another try, I was copying dmesg > dmesg_xx.txt every 2-3 seconds! The system worked better, the wizard started, I create twice (as asked) the connection, and later almost connected... then stucked!