with:
2.6.37-3-generic #11-Ubuntu SMP Sat Nov 13 18:05:07 UTC 2010 x86_64 GNU/Linux (from xorg-edgers) on maverick
upon insmod of rt2860sta:

[  327.140379] rt2860sta: module is from the staging directory, the quality is unknown, you have been warned.
[  327.147617] rt2860 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[  327.147722] rt2860 0000:03:00.0: setting latency timer to 64
[  327.148017] === pAd = ffffc90022cb2000, size = 528640 ===
[  327.148020] <-- RTMPAllocAdapterBlock, Status=0
[  327.148023] pAd->CSRBaseAddress =0xffffc90022ca0000, csr_addr=0xffffc90022ca0000!
[  327.148057] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[  327.148133] IP: [<ffffffffa03080ad>] RtmpPhyNetDevInit+0x6d/0xa0 [rt2860sta]
[  327.148213] PGD 5bfb2067 PUD 6f784067 PMD 0 
[  327.148248] Oops: 0002 [#1] SMP 
[  327.148276] last sysfs file: /sys/module/crc_ccitt/initstate
[  327.148319] CPU 0 
[  327.148336] Modules linked in: rt2860sta(C+) binfmt_misc parport_pc ppdev dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi pcmcia snd_seq_midi_event snd_seq psmouse serio_raw snd_timer snd_seq_device snd yenta_socket pcmcia_rsrc acer_wmi joydev shpchp crc_ccitt soundcore snd_page_alloc pcmcia_core lp parport usbhid hid i915 drm_kms_helper drm sdhci_pci ahci tg3 sdhci led_class intel_agp libahci i2c_algo_bit intel_gtt video output
[  327.148800] 
[  327.148820] Pid: 1747, comm: insmod Tainted: G         C  2.6.37-3-generic #11-Ubuntu Homa                           /Extensa 5630                   
[  327.148880] RIP: 0010:[<ffffffffa03080ad>]  [<ffffffffa03080ad>] RtmpPhyNetDevInit+0x6d/0xa0 [rt2860sta]
[  327.148960] RSP: 0018:ffff880059151bf8  EFLAGS: 00010246
[  327.148999] RAX: 0000000000000000 RBX: ffff880059151c48 RCX: 0000000000000000
[  327.149030] RDX: 0000000000000000 RSI: ffff880059151b4e RDI: ffff880059151c78
[  327.149061] RBP: ffff880059151c18 R08: 000000000000fffb R09: 0000ffffffffff0a
[  327.149091] R10: 0000000000000001 R11: 0000000000000001 R12: ffffc90022cb2000
[  327.149122] R13: ffff8800641cf000 R14: 0000000000000200 R15: ffff880059151c48
[  327.149155] FS:  00007ff541751700(0000) GS:ffff88007b400000(0000) knlGS:0000000000000000
[  327.149203] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  327.149228] CR2: 0000000000000010 CR3: 000000006f712000 CR4: 00000000000006f0
[  327.149260] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  327.149291] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  327.149322] Process insmod (pid: 1747, threadinfo ffff880059150000, task ffff880037994440)
[  327.149366] Stack:
[  327.149381]  ffff880059151c18 ffff880073849000 0000000000000000 ffffc90022ca0000
[  327.149427]  ffff880059151cb8 ffffffffa031ff04 ffff880059151c38 ffffffff81038529
[  327.149472]  ffffc90022cb2000 ffff880059151c58 ffffffffa03241a0 0000000000000000
[  327.149524] Call Trace:
[  327.149550]  [<ffffffffa031ff04>] rt2860_probe+0x272/0x436 [rt2860sta]
[  327.150021]  [<ffffffff81038529>] ? default_spin_lock_flags+0x9/0x10
[  327.150021]  [<ffffffff812f5baf>] local_pci_probe+0x5f/0xd0
[  327.150021]  [<ffffffff812f5d09>] __pci_device_probe+0xe9/0xf0
[  327.150021]  [<ffffffff812d5f1a>] ? kobject_get+0x1a/0x30
[  327.150021]  [<ffffffff813a1ff9>] ? get_device+0x19/0x20
[  327.150021]  [<ffffffff812f6dfa>] pci_device_probe+0x3a/0x60
[  327.150021]  [<ffffffff813a6398>] really_probe+0x68/0x190
[  327.165165]  [<ffffffff813a6505>] driver_probe_device+0x45/0x70
[  327.165165]  [<ffffffff813a65cb>] __driver_attach+0x9b/0xa0
[  327.165165]  [<ffffffff813a6530>] ? __driver_attach+0x0/0xa0
[  327.165165]  [<ffffffff813a57a8>] bus_for_each_dev+0x68/0x90
[  327.165165]  [<ffffffff813a61ee>] driver_attach+0x1e/0x20
[  327.165165]  [<ffffffff813a5aa9>] bus_add_driver+0xe9/0x290
[  327.165165]  [<ffffffffa0204000>] ? rt2860_init_module+0x0/0x20 [rt2860sta]
[  327.165165]  [<ffffffff813a6910>] driver_register+0x80/0x150
[  327.165165]  [<ffffffff815b2c86>] ? notifier_call_chain+0x56/0x80
[  327.165165]  [<ffffffffa0204000>] ? rt2860_init_module+0x0/0x20 [rt2860sta]
[  327.165165]  [<ffffffff812f7086>] __pci_register_driver+0x56/0xd0
[  327.165165]  [<ffffffff8108b4c5>] ? __blocking_notifier_call_chain+0x65/0x80
[  327.165165]  [<ffffffffa020401e>] rt2860_init_module+0x1e/0x20 [rt2860sta]
[  327.165165]  [<ffffffff81002053>] do_one_initcall+0x43/0x190
[  327.165165]  [<ffffffff810a210b>] sys_init_module+0xbb/0x200
[  327.165165]  [<ffffffff8100c172>] system_call_fastpath+0x16/0x1b
[  327.165165] Code: 89 df b9 06 00 00 00 f3 48 ab 48 c7 03 a0 41 32 a0 c7 43 10 00 01 00 00 4d 89 a5 e8 03 00 00 4d 89 6c 24 08 49 8b 85 00 03 00 00 <f0> 80 48 10 01 4c 89 e8 48 8b 5d e8 4c 8b 65 f0 4c 8b 6d f8 c9 
[  327.165165] RIP  [<ffffffffa03080ad>] RtmpPhyNetDevInit+0x6d/0xa0 [rt2860sta]
[  327.165165]  RSP <ffff880059151bf8>
[  327.165165] CR2: 0000000000000010
[  327.171605] ---[ end trace 3c5aa9c504ad5023 ]---