Public bug reported:
[ 132.565985] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 132.565993] IP: [<c03a54d3>] _request_firmware+0x1f3/0x250
[ 132.566003] *pde = 1f857067 *pte = 00000000
[ 132.566007] Oops: 0000 [#1] SMP
[ 132.566011] last sysfs file:
/sys/devices/pci0000:00/0000:00:0e.0/host0/target0:0:0/0:0:0:0/block/sda/sda6/stat
[ 132.566016] Modules linked in: cbc aes_i586 aes_generic ecb binfmt_misc
ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp
bnep kvm_amd kvm lp snd_hda_codec_realtek snd_hda_intel snd_hda_codec
tuner_xc2028 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 bttv snd_timer ir_common
snd_seq_device v4l2_common snd videodev v4l1_compat soundcore dvb_usb_dib0700
dib7000p dib7000m dvb_usb dvb_core dib3000mc dibx000_common ppdev
videobuf_dma_sg videobuf_core btcx_risc tveeprom nvidia(P) psmouse
snd_page_alloc k8temp i2c_nforce2 dib0070 parport_pc parport serio_raw pcspkr
ohci1394 ieee1394 8139too 8139cp mii forcedeth raid10 raid456 raid6_pq
async_xor async_memcpy async_tx xor raid1 raid0 multipath linear fbcon tileblit
font bitblit softcursor i915 drm i2c_algo_bit video output intel_agp agpgart
[ 132.566092]
[ 132.566096] Pid: 4043, comm: kdvb-ad-0-fe-0 Tainted: P
(2.6.31-1-generic #14-Ubuntu)
[ 132.566100] EIP: 0060:[<c03a54d3>] EFLAGS: 00010202 CPU: 1
[ 132.566104] EIP is at _request_firmware+0x1f3/0x250
[ 132.566107] EAX: 00000000 EBX: f64049d0 ECX: 00000001 EDX: c07007e8
[ 132.566110] ESI: c0711070 EDI: f61bb688 EBP: dfa39d30 ESP: dfa39cfc
[ 132.566113] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 132.566116] Process kdvb-ad-0-fe-0 (pid: 4043, ti=dfa38000 task=e3bfe480
task.ti=dfa38000)
[ 132.566119] Stack:
[ 132.566121] 80000200 f5f20c00 000000c0 03400000 00000006 dfa39d69 00000006
00000000
[ 132.566128] <0> dfa39d94 f97ea062 f55be880 00000000 00000008 dfa39d3c
c03a55d2 00000001
[ 132.566135] <0> dfa39dcc f9b4f766 dfa39e78 f97ea85b 00000002 00000002
f70726a8 f7072000
[ 132.566143] Call Trace:
[ 132.566152] [<f97ea062>] ? dib0700_ctrl_wr+0x52/0x70 [dvb_usb_dib0700]
[ 132.566157] [<c03a55d2>] ? request_firmware+0x12/0x20
[ 132.566164] [<f9b4f766>] ? load_all_firmwares+0x66/0x700 [tuner_xc2028]
[ 132.566171] [<f97ea85b>] ? dib0700_i2c_xfer_legacy+0x17b/0x1a0
[dvb_usb_dib0700]
[ 132.566178] [<f97ea062>] ? dib0700_ctrl_wr+0x52/0x70 [dvb_usb_dib0700]
[ 132.566185] [<f97ea85b>] ? dib0700_i2c_xfer_legacy+0x17b/0x1a0
[dvb_usb_dib0700]
[ 132.566192] [<f9b50734>] ? check_firmware+0x494/0x8c0 [tuner_xc2028]
[ 132.566198] [<c0136156>] ? update_curr+0x246/0x250
[ 132.566204] [<c01aabb1>] ? perf_swcounter_event+0xc1/0x120
[ 132.566210] [<f9b50bc9>] ? generic_set_freq+0x69/0x540 [tuner_xc2028]
[ 132.566217] [<f97ea89b>] ? dib0700_i2c_xfer+0x1b/0x30 [dvb_usb_dib0700]
[ 132.566222] [<c043b4b4>] ? i2c_transfer+0x94/0xc0
[ 132.566229] [<f97d3074>] ? dib7000p_write_word+0x54/0x70 [dib7000p]
[ 132.566235] [<f9b51359>] ? xc2028_set_params+0x169/0x256 [tuner_xc2028]
[ 132.566240] [<c056d435>] ? schedule_timeout+0x185/0x200
[ 132.566247] [<f97d528b>] ? dib7000p_set_frontend+0x4b/0x170 [dib7000p]
[ 132.566252] [<c014ac35>] ? try_to_del_timer_sync+0x45/0x50
[ 132.566265] [<f979ba31>] ? dvb_frontend_swzigzag_autotune+0x111/0x260
[dvb_core]
[ 132.566270] [<c013745c>] ? try_to_wake_up+0xfc/0x370
[ 132.566275] [<c056eba3>] ? _spin_lock_irq+0x13/0x20
[ 132.566286] [<f979c5f1>] ? dvb_frontend_swzigzag+0x1d1/0x260 [dvb_core]
[ 132.566297] [<f979cff7>] ? dvb_frontend_thread+0x387/0x630 [dvb_core]
[ 132.566303] [<c01565c0>] ? autoremove_wake_function+0x0/0x40
[ 132.566315] [<f979cc70>] ? dvb_frontend_thread+0x0/0x630 [dvb_core]
[ 132.566319] [<c01562d4>] ? kthread+0x74/0x80
[ 132.566324] [<c0156260>] ? kthread+0x0/0x80
[ 132.566328] [<c0103f57>] ? kernel_thread_helper+0x7/0x10
[ 132.566331] Code: 00 00 00 c7 44 24 04 d0 80 00 00 89 fa 89 34 24 ff 55 e0
83 45 e4 04 8b 45 e4 8b 00 85 c0 89 45 e0 75 d6 e9 52 fe ff ff 8b 45 e8 <8b> 70
08 e8 c5 69 ff ff 89 5c 24 0c 89 74 24 08 89 44 24 04 c7
[ 132.566369] EIP: [<c03a54d3>] _request_firmware+0x1f3/0x250 SS:ESP
0068:dfa39cfc
[ 132.566374] CR2: 0000000000000008
[ 132.566378] ---[ end trace 674f07fd44806044 ]---
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: asus hybrid u3000
--
Asus u3000 hybrid bug
https://bugs.launchpad.net/bugs/396178
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