WARNING: at /home/anssi/qualcom/serialusb/usb-serial.c:410 serial_unthrottle+0x8e/0x90 [usbserial]()
Hardware name: 43494JG
Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss sunrpc qcserial usbserial af_packet ipv6 rfcomm arc4 ecb iwlagn sco iwlcore mac80211 cfg80211 e1000e sdhci_pci sdhci mmc_core snd_hda_intel pcspkr bridge ohci1394 snd_hda_codec sr_mod sg ieee1394 stp iTCO_wdt iTCO_vendor_support bnep l2cap snd_hwdep i2c_i801 nvidia(P) binfmt_misc fuse uvcvideo videodev v4l1_compat v4l2_compat_ioctl32 i2c_core cpufreq_ondemand cpufreq_conservative cpufreq_powersave acpi_cpufreq btusb bluetooth freq_table input_polldev thinkpad_acpi rfkill snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device dm_mod snd_pcm_oss kvm_intel snd_pcm kvm snd_timer snd_page_alloc snd_mixer_oss snd ehci_hcd usbcore soundcore joydev evdev led_class video output wmi tpm_tis tpm tpm_bios thermal nvram battery button processor ac ata_piix ahci libata sd_mod scsi_mod crc_t10dif ext4 jbd2 crc16
Pid: 10504, comm: gobi_loader Tainted: P           2.6.33-desktop-0.rc7.1mnb #1
Call Trace:
 [<ffffffff8105711b>] warn_slowpath_common+0x7b/0xc0
 [<ffffffff81057174>] warn_slowpath_null+0x14/0x20
 [<ffffffffa0eb03ce>] serial_unthrottle+0x8e/0x90 [usbserial]
 [<ffffffff81279f99>] tty_unthrottle+0x49/0x60
 [<ffffffff81277911>] reset_buffer_flags+0xd1/0x100
 [<ffffffff81277a8d>] n_tty_flush_buffer+0x1d/0x90
 [<ffffffff8127b54f>] ? tty_ldisc_try+0x4f/0x60
 [<ffffffff8127b657>] tty_ldisc_flush+0x37/0x60
 [<ffffffff8127cfc8>] tty_port_close_start+0x108/0x1d0
 [<ffffffff8100a9ce>] ? apic_timer_interrupt+0xe/0x20
 [<ffffffff8127d181>] tty_port_close+0x21/0x60
 [<ffffffffa0eb0860>] serial_close+0x40/0x80 [usbserial]
 [<ffffffff8127475b>] tty_release+0x17b/0x710
 [<ffffffff810e5968>] ? __free_pages+0x68/0xa0
 [<ffffffff8111c815>] ? __free_slab+0xc5/0x180
 [<ffffffff8111c908>] ? discard_slab+0x38/0x50
 [<ffffffff8112a025>] __fput+0xf5/0x210
 [<ffffffff8112a165>] fput+0x25/0x30
 [<ffffffff8112641d>] filp_close+0x5d/0x90
 [<ffffffff810595cf>] put_files_struct+0x7f/0xf0
 [<ffffffff8105968a>] exit_files+0x4a/0x60
 [<ffffffff8105a001>] do_exit+0x151/0x800
 [<ffffffff81008704>] ? __switch_to+0x1d4/0x360
 [<ffffffff81046c78>] ? finish_task_switch+0x48/0xd0
 [<ffffffff8105a708>] do_group_exit+0x58/0xd0
 [<ffffffff8106db24>] get_signal_to_deliver+0x1e4/0x410
 [<ffffffff81009345>] do_signal+0x75/0x7c0
 [<ffffffff8127b49e>] ? tty_ldisc_deref+0xe/0x10
 [<ffffffff812736a4>] ? tty_write+0x234/0x2a0
 [<ffffffff81009af5>] do_notify_resume+0x65/0x90
 [<ffffffff811290a1>] ? sys_write+0x51/0x90
 [<ffffffff8100a2ce>] int_signal+0x12/0x17
---[ end trace bb87c3fc905923e0 ]---