inter dereference at 0000000000000f9c IP: [] osl_readl+0x4/0x10 [wl] PGD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/bus/pci/drivers/wl/bind CPU 0 Modules linked in: lib80211_crypt_tkip wl(P) lib80211 binfmt_misc bridge stp bnep ppdev dm_crypt iptable_filter mac80211 snd_hda_codec_realtek lp ip_tables x_tables uvcvideo parport nls_utf8 applesmc videodev cfg80211 input_polldev joydev v4l1_compat v4l2_compat_ioctl32 mbp_nvidia_bl btusb led_class bcm5974 i2c_nforce2 hfsplus snd_hda_intel snd_hda_codec snd_hwdep 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 snd soundcore snd_page_alloc hid_apple usbhid ohci1394 ieee1394 forcedeth [last unloaded: ssb] Pid: 6788, comm: work_for_cpu Tainted: P 2.6.31-14-generic #48-Ubuntu MacBookPro5,1 RIP: 0010:[] [] osl_readl+0x4/0x10 [wl] RSP: 0018:ffff88014a179b70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff880126a0c800 RCX: ffff8801220d8ec0 RDX: 0000000000000000 RSI: 0000000000000f9c RDI: 0000000000000f9c RBP: ffff88014a179b70 R08: 0000000000000000 R09: ffff88011e424a90 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff880126a0c800 R14: 0000000000000000 R15: ffff88011e424000 FS: 0000000000000000(0000) GS:ffff880028029000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000f9c CR3: 0000000001001000 CR4: 00000000000406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process work_for_cpu (pid: 6788, threadinfo ffff88014a178000, task ffff8801490b2d60) Stack: 0000000000000f9c ffffffffa031c4c0 0000000000003000 ffff8801381221e8 <0> ffff88011e424810 0000000000000000 0000000000000000 ffffffffa031c7a4 <0> ffff88011e424810 ffff88011e424730 ffff88011e424730 0000000000000003 Call Trace: [] wlc_452+0xbf/0x11a [wl] [] ? wlc_439+0x56/0x62 [wl] [] ? wlc_934+0x49/0x13b8 [wl] [] ? wlc_162+0x307/0x6b7 [wl] [] ? wlc_656+0x543/0xc0f [wl] [] ? osl_strncpy+0xb/0x10 [wl] [] ? wlc_module_register+0x41/0x96 [wl] [] ? wlc_1073+0xe2/0x318 [wl] [] ? wlc_attach+0x133/0xcdc [wl] [] ? wl_pci_probe+0x22d/0x48c [wl] [] ? finish_task_switch+0x65/0x120 [] ? thread_return+0x48/0x37f [] ? do_work_for_cpu+0x0/0x30 [] ? local_pci_probe+0x12/0x20 [] ? do_work_for_cpu+0x13/0x30 [] ? kthread+0xa6/0xb0 [] ? child_rip+0xa/0x20 [] ? kthread+0x0/0xb0 [] ? child_rip+0x0/0x20 Code: 0f 1f 80 00 00 00 00 55 b8 00 10 00 00 48 89 e5 c9 c3 0f 1f 44 00 00 55 8b 47 04 48 89 e5 c9 c3 0f 1f 80 00 00 00 00 55 48 89 e5 <8b> 07 c9 c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 8b 07 c9 c3 RIP [] osl_readl+0x4/0x10 [wl] RSP CR2: 0000000000000f9c ---[ end trace ee5b9bc4c5e90106 ]---