Same problem here.. dmesg gives the  following info:

--->8---

[17233.121537] usb 3-3: new full speed USB device using ohci_hcd and address 2  
                                                                             
[17233.310307] usb 3-3: configuration #2 chosen from 1 choice                   
                                                                             
[17233.334349] cdc_acm 3-3:2.1: ttyACM0: USB ACM device                         
                                                                             
[17233.341068] usbcore: registered new interface driver cdc_acm                 
                                                                             
[17233.341074] cdc_acm: v0.26:USB Abstract Control Model driver for USB modems 
and ISDN adapters                                                             
[17233.349166] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000003                                                                
     
[17233.349174] IP: [<ffffffffa0c6c6f2>] wdm_probe+0x1a2/0x470 [cdc_wdm]         
                                                                             
[17233.349185] PGD 9c820067 PUD 9c80d067 PMD 0                                  
                                                                             
[17233.349191] Oops: 0000 [#1] SMP                                              
                                                                             
[17233.349195] last sysfs file: 
/sys/devices/pci0000:00/0000:00:12.0/usb3/idVendor                              
                                             
[17233.349200] Dumping ftrace buffer:                                           
                                                                             
[17233.349204]    (ftrace buffer empty)                                         
                                                                             
[17233.349206] CPU 1                                                            
                                                                             
[17233.349209] Modules linked in: cdc_wdm(+) cdc_acm binfmt_misc ppdev bnep 
vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 
nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter 
ip_tables x_tables bridge stp kvm_amd kvm video output input_polldev lp parport 
snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss 
snd_seq_midi i2c_piix4 snd_rawmidi snd_seq_midi_event snd_seq snd_timer 
snd_seq_device snd soundcore snd_page_alloc nvidia(P) btusb psmouse serio_raw 
pcspkr usbhid floppy r8169 mii fbcon tileblit font bitblit softcursor           
                        
[17233.349268] Pid: 11043, comm: modprobe Tainted: P           
2.6.28-11-generic #42-Ubuntu                                                    
              
[17233.349272] RIP: 0010:[<ffffffffa0c6c6f2>]  [<ffffffffa0c6c6f2>] 
wdm_probe+0x1a2/0x470 [cdc_wdm]                                                 
         
[17233.349281] RSP: 0000:ffff8800a29e7ba8  EFLAGS: 00010286                     
                                                                             
[17233.349284] RAX: ffff8800a2870388 RBX: ffff880127987800 RCX: 
0000000000000000                                                                
             
[17233.349287] RDX: ffffffffa0c70e00 RSI: ffffffffa0c6dac8 RDI: 
ffff8801279878d8                                                                
             
[17233.349290] RBP: ffff8800a29e7bf8 R08: 0000000000000000 R09: 
ffff880127987800                                                                
             
[17233.349293] R10: 0000000000000000 R11: ffff88012f22e640 R12: 
0000000000000000                                                                
             
[17233.349296] R13: ffff8800c6816b25 R14: 0000000000000000 R15: 
ffff8800ae52e000                                                                
             
[17233.349300] FS:  00007f9390d196f0(0000) GS:ffff88012f802b80(0000) 
knlGS:00000000f7304750                                                          
        
[17233.349304] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b                
                                                                             
[17233.349307] CR2: 0000000000000003 CR3: 00000000a15bf000 CR4: 
00000000000006a0                                                                
             
[17233.349310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000                                                                
             
[17233.349313] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[17233.349317] Process modprobe (pid: 11043, threadinfo ffff8800a29e6000, task 
ffff8801060f1660)
[17233.349320] Stack:
[17233.349322]  ffffffff805313a8 ffff8800ae52e030 08008800a29e7be8 
ffff8800ce059888
[17233.349328]  ffff8800ae52e160 ffff8800ae52e030 0000000000000000 
ffff8800ae52e000
[17233.349333]  ffffffffa0c6eb60 ffffffffa0c6eaa8 ffff8800a29e7c48 
ffffffff80532203
[17233.349340] Call Trace:
[17233.349342]  [<ffffffff805313a8>] ? usb_match_one_id+0x38/0xd0
[17233.349353]  [<ffffffff80532203>] usb_probe_interface+0xc3/0x180
[17233.349361]  [<ffffffff804b98fd>] really_probe+0x6d/0x1a0
[17233.349369]  [<ffffffff804b9a7b>] driver_probe_device+0x4b/0x60
[17233.349374]  [<ffffffff804b9b2b>] __driver_attach+0x9b/0xa0
[17233.349379]  [<ffffffff804b9a90>] ? __driver_attach+0x0/0xa0
[17233.349383]  [<ffffffff804b90eb>] bus_for_each_dev+0x6b/0xa0
[17233.349389]  [<ffffffff804b977c>] driver_attach+0x1c/0x20
[17233.349393]  [<ffffffff804b88dd>] bus_add_driver+0x14d/0x250
[17233.349399]  [<ffffffff804b9d1c>] driver_register+0x6c/0x150
[17233.349405]  [<ffffffff80532569>] usb_register_driver+0xa9/0x120
[17233.349411]  [<ffffffffa0064000>] ? wdm_init+0x0/0x20 [cdc_wdm]
[17233.349417]  [<ffffffffa006401e>] wdm_init+0x1e/0x20 [cdc_wdm]
[17233.349422]  [<ffffffff8020a03b>] do_one_initcall+0x3b/0x170
[17233.349429]  [<ffffffff802424b2>] ? enqueue_entity+0x122/0x2b0
[17233.349436]  [<ffffffff8024870b>] ? enqueue_task_fair+0x7b/0x80
[17233.349441]  [<ffffffff8023e2a9>] ? wakeup_preempt_entity+0x59/0x60
[17233.349446]  [<ffffffff80249330>] ? check_preempt_wakeup+0x210/0x230
[17233.349450]  [<ffffffff8024a3cc>] ? try_to_wake_up+0x12c/0x2e0
[17233.349457]  [<ffffffff8027ef9d>] sys_init_module+0xad/0x1e0
[17233.349464]  [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b
[17233.349469] Code: 48 c7 83 08 01 00 00 f0 cd c6 a0 66 89 43 68 48 8d 83 f8 
00 00 00 48 89 83 f8 00 00 00 48 89 83 00 01 00 00 49 8b 07 4c 8b 60 10 <41> 0f 
b6 44 24 03 83 e0 03 83 f8 03 74 48 41 bc ea ff ff ff 48
[17233.349509] RIP  [<ffffffffa0c6c6f2>] wdm_probe+0x1a2/0x470 [cdc_wdm]
[17233.349515]  RSP <ffff8800a29e7ba8>
[17233.349518] CR2: 0000000000000003
[17233.349521] ---[ end trace d11dce9ff57a1479 ]---
[17242.417076] usb 3-3: USB disconnect, address 2

--->8---

I found only one reference to this bug which redhat claims to have sovled. So 
for what it's worth:
https://bugzilla.redhat.com/show_bug.cgi?id=481741


** Bug watch added: Red Hat Bugzilla #481741
   https://bugzilla.redhat.com/show_bug.cgi?id=481741

-- 
mobile phone usb connection crashes
https://bugs.launchpad.net/bugs/333018
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to