asus_wmi_rfkill_init null pointer oops

[Tobias]

Got this when I started my laptop with two external screens. Bootup continues and system seems stable.

I usually boot up with two external screens and can't remember seeing this one before.

[ 370.232930] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 370.232961] IP: [<ffffffffa023c0eb>] asus_new_rfkill+0xcb/0x120 [asus_wmi]
[ 370.232986] PGD 33a98c067 PUD 33a98b067 PMD 0
[ 370.233004] Oops: 0000 [#1] SMP
[ 370.233017] CPU 3
[ 370.233024] Modules linked in: joydev snd_seq nvidia(P) snd_timer btusb snd_seq_device asus_nb_wmi(+) mac80211 asus_wmi psmouse snd bluetooth soundcore sparse_keymap mei(C) serio_raw cfg80211 snd_page_alloc mxm_wmi wmi mac_hid lp parport usbhid hid dm_crypt btrfs zlib_deflate libcrc32c uas usb_storage i915 drm_kms_helper atl1c drm i2c_algo_bit video
[ 370.233147]
[ 370.233154] Pid: 816, comm: modprobe Tainted: P C O 3.2.0-21-generic #34-Ubuntu ASUSTeK Computer Inc. N73SV/N73SV
[ 370.233189] RIP: 0010:[<ffffffffa023c0eb>] [<ffffffffa023c0eb>] asus_new_rfkill+0xcb/0x120 [asus_wmi]
[ 370.233219] RSP: 0018:ffff88033a987c48 EFLAGS: 00010246
[ 370.233236] RAX: 0000000000000000 RBX: ffff88033af3ea78 RCX: 0000000000000699
[ 370.233257] RDX: 0000000000030000 RSI: 00000000000165a0 RDI: ffff880343002600
[ 370.233279] RBP: ffff88033a987c88 R08: 0000000000010011 R09: ffffffffa023b0bb
[ 370.233301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 370.233322] R13: ffff88033af3e800 R14: 0000000000000001 R15: ffffffffa023e6cd
[ 370.233344] FS: 00007fe461b5c700(0000) GS:ffff88034fa60000(0000) knlGS:0000000000000000
[ 370.233368] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 370.233385] CR2: 0000000000000000 CR3: 000000033a989000 CR4: 00000000000406e0
[ 370.233407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 370.233428] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 370.233450] Process modprobe (pid: 816, threadinfo ffff88033a986000, task ffff88033517c4d0)
[ 370.233474] Stack:
[ 370.233481] ffff88033a987c78 0000000200010011 ffff88033af3f010 ffff88033af3e800
[ 370.233506] ffff88033af3f000 ffffffffa0073088 0000000000000000 ffff88033af3f000
[ 370.233531] ffff88033a987ca8 ffffffffa023cbe4 ffff88033af3e800 ffff88033af3f000
[ 370.233556] Call Trace:
[ 370.233567] [<ffffffffa023cbe4>] asus_wmi_rfkill_init+0x64/0x200 [asus_wmi]
[ 370.233590] [<ffffffffa023cff7>] asus_wmi_add+0x117/0x260 [asus_wmi]
[ 370.233611] [<ffffffffa023d194>] asus_wmi_probe+0x54/0x80 [asus_wmi]
[ 370.233632] [<ffffffff813f6167>] platform_drv_probe+0x17/0x20
[ 370.233651] [<ffffffff813f49c8>] really_probe+0x68/0x190
[ 370.233668] [<ffffffff813f4c55>] driver_probe_device+0x45/0x70
[ 370.233687] [<ffffffff813f4d2b>] __driver_attach+0xab/0xb0
[ 370.233705] [<ffffffff813f4c80>] ? driver_probe_device+0x70/0x70
[ 370.233723] [<ffffffff813f4c80>] ? driver_probe_device+0x70/0x70
[ 370.233744] [<ffffffff813f3abc>] bus_for_each_dev+0x5c/0x90
[ 370.233762] [<ffffffff813f478e>] driver_attach+0x1e/0x20
[ 370.233779] [<ffffffff813f43e0>] bus_add_driver+0x1a0/0x270
[ 370.233797] [<ffffffff813f5296>] driver_register+0x76/0x140
[ 370.233815] [<ffffffff813f6726>] platform_driver_register+0x46/0x50
[ 370.233836] [<ffffffff813f6758>] platform_driver_probe+0x28/0xb0
[ 370.233855] [<ffffffff813f6ef1>] platform_create_bundle+0xc1/0xf0
[ 370.233875] [<ffffffffa023d140>] ? asus_wmi_add+0x260/0x260 [asus_wmi]
[ 370.233897] [<ffffffffa00ff000>] ? 0xffffffffa00fefff
[ 370.233914] [<ffffffffa023b96a>] asus_wmi_register_driver+0x5a/0x70 [asus_wmi]
[ 370.233937] [<ffffffffa00ff010>] asus_nb_wmi_init+0x10/0x1000 [asus_nb_wmi]
[ 370.233961] [<ffffffff81002040>] do_one_initcall+0x40/0x180
[ 370.233981] [<ffffffff810a89ce>] sys_init_module+0xbe/0x230
[ 370.234001] [<ffffffff81664602>] system_call_fastpath+0x16/0x1b
[ 370.234019] Code: 89 e0 48 8b 5d d8 4c 8b 65 e0 4c 8b 6d e8 4c 8b 75 f0 4c 8b 7d f8 c9 c3 0f 1f 84 00 00 00 00 00 49 8b 85 90 03 00 00 48 8b 40 40 <80> 38 00 74 84 49 8b 75 28 49 89 d8 48 c7 c1 f0 e7 23 a0 44 89
[ 370.234120] RIP [<ffffffffa023c0eb>] asus_new_rfkill+0xcb/0x120 [asus_wmi]
[ 370.234143] RSP <ffff88033a987c48>
[ 370.234154] CR2: 0000000000000000
[ 370.241812] ---[ end trace 9fefd989a2195dde ]---

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-21-generic 3.2.0-21.34
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tobias 2931 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Date: Mon Apr 2 07:42:17 2012
HibernationDevice: RESUME=UUID=082af567-f73c-4e75-9bea-304cdc9b6e46
MachineType: ASUSTeK Computer Inc. N73SV
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-21-generic root=/dev/mapper/vg1-root ro rootflags=subvol=@ splash quiet vt.handoff=7
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/18/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N73SV.306
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: N73SV
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN73SV.306:bd08/18/2011:svnASUSTeKComputerInc.:pnN73SV:pvr1.0:rvnASUSTeKComputerInc.:rnN73SV:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: N73SV
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.

[Hernando Torque (htorque)]

Seeing the same on an ASUS P8Z68-V based _desktop_ system (one screen).

[Hernando Torque (htorque)]

Looks like a duplicate of bug 970451.