HFCSUSB Modul Segmentation fault

/usr/sbin/rcmisdn: line 301:  5772 Segmentation fault      rmmod hfcsusb.

Mar 19 11:03:40 linux kernel: MISDN free_device: entitylist not empty
Mar 19 11:04:05 linux kernel: hfcsusb_cleanup
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10010100) proceed 315684 msg 0 clone 194595 sleep 0 stopped
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10010100) utime(0) stime(1163)
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10010100) nvcsw(194551) nivcsw(15)
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10010100) killed now
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10020100) proceed 13854 msg 0 clone 8415 sleep 0 stopped
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10020100) utime(0) stime(0)
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10020100) nvcsw(8415) nivcsw(0)
Mar 19 11:04:05 linux kernel: mISDNStackd daemon for id(10020100) killed now
Mar 19 11:04:05 linux kernel: Unable to handle kernel paging request at virtual address 0eca7bc1
Mar 19 11:04:05 linux kernel:  printing eip:
Mar 19 11:04:05 linux kernel: c01ee981
Mar 19 11:04:05 linux kernel: *pde = 00000000
Mar 19 11:04:05 linux kernel: Oops: 0000 [#1]
Mar 19 11:04:05 linux kernel: Modules linked in: hfcsusb mISDN_capi kernelcapi mISDN_dsp l3udss1 mISDN_l2 mISDN_l1 mISDN_core cpufreq_ondemand cpufreq_userspace cpufreq_powersave longhaul speedstep_lib freq_table ppp_async af_packet ipv6 ipt_MASQUERADE ipt_LOG ipt_limit button iptable_filter battery ac ip_nat_irc ip_conntrack_irc ip_nat_ftp ip_conntrack_ftp iptable_nat ip_conntrack ip_tables ppp_generic slhc edd generic shpchp pci_hotplug via_rhine mii i2c_viapro i2c_core via_ircc irda crc_ccitt uhci_hcd ehci_hcd usbcore via_agp agpgart parport_pc lp parport dm_mod reiserfs fan ide_cd cdrom thermal processor via82cxxx ide_disk ide_core
Mar 19 11:04:05 linux kernel: CPU:    0
Mar 19 11:04:05 linux kernel: EIP:    0060:[<c01ee981>]    Tainted: G     U VLI
Mar 19 11:04:05 linux kernel: EFLAGS: 00010202   (2.6.13-15.8-default)
Mar 19 11:04:05 linux kernel: EIP is at kobject_cleanup+0x31/0x70
Mar 19 11:04:05 linux kernel: eax: da3a66e8   ebx: da3a66e4   ecx: ddfef060   edx: da3a66e8
Mar 19 11:04:05 linux kernel: esi: 0eca7bc1   edi: 00000000   ebp: 00000000   esp: d7c5feb0
Mar 19 11:04:05 linux kernel: ds: 007b   es: 007b   ss: 0068
Mar 19 11:04:05 linux kernel: Process rmmod (pid: 5772, threadinfo=d7c5e000 task=ddddc590)
Mar 19 11:04:05 linux kernel: Stack: da3a66fc c01ee9c0 d8255588 d82c495c c01ef166 d82b7b0c d8255290 c019245d
Mar 19 11:04:05 linux kernel:        d8380860 dab99ee4 dab99edc debea504 debea4a0 c01ee908 dab99ee4 c0256dd2
Mar 19 11:04:05 linux kernel:        debea50c dab99edc 00000000 dab99e00 dab99ed4 c0256df8 dab99ed4 debdb528
Mar 19 11:04:05 linux kernel: Call Trace:
Mar 19 11:04:05 linux kernel:  [<c01ee9c0>] kobject_release+0x0/0x10
Mar 19 11:04:05 linux kernel:  [<c01ef166>] kref_put+0x26/0x60
Mar 19 11:04:05 linux kernel:  [<c019245d>] sysfs_remove_dir+0xed/0x120
Mar 19 11:04:05 linux kernel:  [<c01ee908>] kobject_del+0x8/0x10
Mar 19 11:04:05 linux kernel:  [<c0256dd2>] class_device_del+0xa2/0xc0
Mar 19 11:04:05 linux kernel:  [<c0256df8>] class_device_unregister+0x8/0x10
Mar 19 11:04:05 linux kernel:  [<debdb528>] delete_stack+0x38/0x190 [mISDN_core]
Mar 19 11:04:05 linux kernel:  [<debdb6e9>] release_stack+0x69/0xe0 [mISDN_core]
Mar 19 11:04:05 linux kernel:  [<debdb908>] release_stacks+0xc8/0x120 [mISDN_core]
Mar 19 11:04:05 linux kernel:  [<debd9c73>] mISDN_unregister+0x23/0xa0 [mISDN_core]
Mar 19 11:04:05 linux kernel:  [<dec8cd02>] hfcsusb_cleanup+0x42/0x71 [hfcsusb]
Mar 19 11:04:05 linux kernel:  [<c0132598>] sys_delete_module+0x118/0x150
Mar 19 11:04:05 linux kernel:  [<c014d3ee>] unmap_vma_list+0xe/0x20
Mar 19 11:04:05 linux kernel:  [<c014d747>] do_munmap+0xb7/0xf0
Mar 19 11:04:05 linux kernel:  [<c0102d79>] syscall_call+0x7/0xb
Mar 19 11:04:05 linux kernel: Code: 28 89 c3 85 ff 74 49 8b 77 04 85 f6 74 42 8b 13 8d 43 04 8b 6b 24 39 c2 74 07 89 d0 e8 e9 5e f5 ff c7 03 00 00 00 00 85 f6 74 0a <8b> 16 85 d2 74 04 89 d8 ff d2 85 ff 74 08 8d 47 10 e8 39 00 00
Mar 19 11:04:05 linux kernel:  <6>release object class dev obj-5
Mar 19 11:04:05 linux kernel: free_Application: no garbage
Mar 19 11:04:05 linux kernel: release object class dev obj-4
Mar 19 11:04:05 linux kernel: release object class dev obj-3
Mar 19 11:04:06 linux kernel: release object class dev obj-2
Mar 19 11:04:06 linux kernel: release object class dev obj-1