I tried to remove the ipw2200 module and hit this BUG.
kernel BUG at fs/sysfs/dir.c:271! invalid opcode: 0000 [#1] PREEMPT Modules linked in: i915 drm cpufreq_conservative cpufreq_powersave cpufreq_performance firewire_sbp2 parport_pc lp parport snd_intel8x0 snd_ac97_codec ac97_bus pcmcia snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy sdhci ipw2200 mmc_core yenta_socket rsrc_nonstatic pcmcia_core ieee80211 ieee80211_crypt snd_seq_oss snd_seq_midi_event snd_seq snd_timer snd_seq_device snd iTCO_wdt iTCO_vendor_support soundcore snd_page_alloc firewire_ohci firewire_core crc_itu_t ehci_hcd uhci_hcd usbcore CPU: 0 EIP: 0060:[<c01a77a1>] Not tainted VLI EFLAGS: 00010202 (2.6.22-rc6-mm1 #2) EIP is at sysfs_addrm_finish+0x1c2/0x226 eax: 00000001 ebx: c5ff9dc0 ecx: c058aa40 edx: 00000001 esi: c5ff9de8 edi: c37c3240 ebp: c5ff9e1c esp: c5ff9db8 ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 Process modprobe (pid: 3519, ti=c5ff9000 task=c5ef15e0 task.ti=c5ff9000) Stack: c03a3eda c5ff9e24 00000000 00000001 dead4ead ffffffff ffffffff c0657cf0 00000000 c046359d c5ff9de0 c5ff9de0 00000000 00000001 dead4ead ffffffff ffffffff c0657cf0 00000000 c046359d c5ff9de0 c5ff9de0 c37c3240 c5ff9e24 Call Trace: [<c01a7833>] remove_dir+0x2e/0x35 [<c01a7894>] __sysfs_remove_dir+0x5a/0x61 [<c01a78d1>] sysfs_remove_dir+0x2c/0x30 [<c0239386>] kobject_del+0xf/0x19 [<c02b76c6>] device_del+0x254/0x27a [<c0321215>] netdev_unregister_sysfs+0x1b/0x1e [<c03168af>] unregister_netdevice+0x1c3/0x1fe [<c03168fc>] unregister_netdev+0x12/0x1a [<f89b102f>] ipw_pci_remove+0x59/0x1c4 [ipw2200] [<c0252c28>] pci_device_remove+0x19/0x39 [<c02b966e>] __device_release_driver+0x74/0x90 [<c02b9b23>] driver_detach+0x9a/0xd7 [<c02b91ef>] bus_remove_driver+0x5d/0x79 [<c02b9b87>] driver_unregister+0x8/0xa [<c0252d92>] pci_unregister_driver+0x13/0x55 [<f89b1c51>] ipw_exit+0x1c/0x1e [ipw2200] [<c0144427>] sys_delete_module+0x1bd/0x22a [<c01040be>] sysenter_past_esp+0x5f/0x99 [<ffffe410>] 0xffffe410 ======================= INFO: lockdep is turned off. Code: d8 e8 30 58 09 00 ba 01 00 00 00 83 7f 0c 00 75 0c 8b 57 1c 80 f6 01 c1 ea 08 83 e2 01 b8 40 aa 58 c0 e8 8f 5e 0a 00 85 c0 74 04 <0f> 0b eb fe 8d 55 a4 89 57 0c b8 00 00 00 80 0f c1 47 04 85 c0 EIP: [<c01a77a1>] sysfs_addrm_finish+0x1c2/0x226 SS:ESP 0068:c5ff9db8 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/