Kernel Oops with Kernel 2.6.32

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Hello,

I am running a Debian 2.6.32-Kernel (which by the way contains a lot of 
unresolved symbols in many dvb modules). As this kernel does not support my 
WinTV Nova-T USB-Stick, I downloaded the latest sources via the web interface 
from linuxtv.org, compiled the sources and installed the resulting modules.

When I now connect the USB stick, the DVB modules are loaded correctly, but 
when I start an application to watch TV, I get a Kernel Oops.

These lines from my kern.log show the kernel actions when connecting the 
device:

 Sep  8 19:51:16 superstar kernel: [ 3480.084012] usb 2-5: new high speed USB 
device using ehci_hcd and address 3
Sep  8 19:51:16 superstar kernel: [ 3480.217755] usb 2-5: New USB device 
found, idVendor=2040, idProduct=7050
Sep  8 19:51:16 superstar kernel: [ 3480.217758] usb 2-5: New USB device 
strings: Mfr=1, Product=2, SerialNumber=3
Sep  8 19:51:16 superstar kernel: [ 3480.217760] usb 2-5: Product: Nova-T 
Stick
Sep  8 19:51:16 superstar kernel: [ 3480.217761] usb 2-5: Manufacturer: 
Hauppauge
Sep  8 19:51:16 superstar kernel: [ 3480.217762] usb 2-5: SerialNumber: 
0000000000
Sep  8 19:51:16 superstar kernel: [ 3480.217849] usb 2-5: configuration #1 
chosen from 1 choice
Sep  8 19:51:16 superstar kernel: [ 3480.332785] dib0700: loaded with support 
for 14 different device-types
Sep  8 19:51:16 superstar kernel: [ 3480.333846] dvb-usb: found a 'Hauppauge 
Nova-T Stick' in cold state, will try to load a firmware
Sep  8 19:51:16 superstar kernel: [ 3480.333851] usb 2-5: firmware: requesting 
dvb-usb-dib0700-1.20.fw
Sep  8 19:51:16 superstar kernel: [ 3480.439083] dvb-usb: downloading firmware 
from file 'dvb-usb-dib0700-1.20.fw'
Sep  8 19:51:17 superstar kernel: [ 3480.640502] dib0700: firmware started 
successfully.
Sep  8 19:51:17 superstar kernel: [ 3481.144141] dvb-usb: found a 'Hauppauge 
Nova-T Stick' in warm state.
Sep  8 19:51:17 superstar kernel: [ 3481.144540] dvb-usb: will pass the 
complete MPEG2 transport stream to the software demuxer.
Sep  8 19:51:17 superstar kernel: [ 3481.144639] DVB: registering new adapter 
(Hauppauge Nova-T Stick)
Sep  8 19:51:17 superstar kernel: [ 3481.480505] DVB: registering adapter 0 
frontend 0 (DiBcom 7000MA/MB/PA/PB/MC)...
Sep  8 19:51:17 superstar kernel: [ 3481.498377] MT2060: successfully 
identified (IF1 = 1218)
Sep  8 19:51:18 superstar kernel: [ 3481.975455] input: IR-receiver inside an 
USB DVB receiver as /devices/pci0000:00/0000:00:02.1/usb2/2-5/input/input6
Sep  8 19:51:18 superstar kernel: [ 3481.975500] dvb-usb: schedule remote 
query interval to 50 msecs.
Sep  8 19:51:18 superstar kernel: [ 3481.975503] dvb-usb: Hauppauge Nova-T 
Stick successfully initialized and connected.
Sep  8 19:51:18 superstar kernel: [ 3481.975777] usbcore: registered new 
interface driver dvb_usb_dib0700


These lines from my kern.log show the Oops event:
Sep  8 19:51:28 superstar kernel: [ 3492.321914] BUG: unable to handle kernel 
NULL pointer dereference at 0000000000000012
Sep  8 19:51:28 superstar kernel: [ 3492.321920] IP: [<ffffffffa015e3db>] 
i2c_transfer+0x1c/0xc0 [i2c_core]
Sep  8 19:51:28 superstar kernel: [ 3492.321928] PGD 1b8e69067 PUD 1b8e6a067 
PMD 0
Sep  8 19:51:28 superstar kernel: [ 3492.321932] Oops: 0000 [#1] SMP
Sep  8 19:51:28 superstar kernel: [ 3492.321934] last sysfs 
file: /sys/devices/pci0000:00/0000:00:02.1/usb2/2-5/input/input6/capabilities/sw
Sep  8 19:51:28 superstar kernel: [ 3492.321936] CPU 0
Sep  8 19:51:28 superstar kernel: [ 3492.321938] Modules linked in: mt2060 
dvb_usb_dib0700 dib7000p dib0090 dib7000m dib0070 dvb_usb dib8000 dvb_core 
dib30
00mc dibx000_common fglrx(P) binfmt_misc rfcomm l2cap crc16 bluetooth rfkill 
vboxnetadp vboxnetflt vboxdrv battery ppdev lp ext3 jbd mbcache xfs exportfs 
r
eiserfs hwmon_vid eeprom firewire_sbp2 firewire_core crc_itu_t loop 
snd_hda_codec_atihdmi parport_pc parport psmouse evdev serio_raw 
snd_emu10k1_synth snd_
emux_synth snd_seq_virmidi snd_seq_midi_emul snd_hda_intel snd_hda_codec 
snd_emu10k1 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_seq_midi 
snd_pcm
 snd_rawmidi snd_util_mem asus_atk0110 snd_seq_midi_event snd_hwdep snd_seq 
snd_timer snd_seq_device emu10k1_gp pcspkr gameport snd snd_page_alloc 
soundcor
e k8temp edac_core edac_mce_amd button processor i2c_nforce2 i2c_core jfs 
dm_mirror dm_region_hash dm_log dm_snapshot dm_mod sg sr_mod cdrom sd_mod 
crc_t10
dif ata_generic floppy fan pata_amd sata_nv ehci_hcd ohci_hcd libata thermal 
forcedeth thermal_sys scsi_mod usbcore nls_base [last unloaded: 
scsi_wait_scan
]
Sep  8 19:51:28 superstar kernel: [ 3492.321984] Pid: 26841, comm: kaffeine 
Tainted: P           2.6.32-bpo.5-amd64 #1 System Product Name
Sep  8 19:51:28 superstar kernel: [ 3492.321986] RIP: 0010:
[<ffffffffa015e3db>]  [<ffffffffa015e3db>] i2c_transfer+0x1c/0xc0 [i2c_core]
Sep  8 19:51:28 superstar kernel: [ 3492.321990] RSP: 0018:ffff8801b95d9ba8  
EFLAGS: 00010292
Sep  8 19:51:28 superstar kernel: [ 3492.321992] RAX: ffff8801b95d9c08 RBX: 
0000000000000002 RCX: 0000000000000000
Sep  8 19:51:28 superstar kernel: [ 3492.321994] RDX: 0000000000000002 RSI: 
ffff8801b95d9be8 RDI: 0000000000000002
Sep  8 19:51:28 superstar kernel: [ 3492.321995] RBP: 00000000ffffffa1 R08: 
000000000e008d80 R09: ffff880037803300
Sep  8 19:51:28 superstar kernel: [ 3492.321997] R10: ffff880037803360 R11: 
0000000000000002 R12: ffff8802115a6800
Sep  8 19:51:28 superstar kernel: [ 3492.321999] R13: 0000000000000001 R14: 
0000000000000002 R15: ffff8801b95d9be8
Sep  8 19:51:28 superstar kernel: [ 3492.322001] FS:  00007f2765d656f0(0000) 
GS:ffff880008c00000(0000) knlGS:0000000000000000
Sep  8 19:51:28 superstar kernel: [ 3492.322003] CS:  0010 DS: 0000 ES: 0000 
CR0: 000000008005003b
Sep  8 19:51:28 superstar kernel: [ 3492.322004] CR2: 0000000000000012 CR3: 
00000001b8e68000 CR4: 00000000000006f0
Sep  8 19:51:28 superstar kernel: [ 3492.322006] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
Sep  8 19:51:28 superstar kernel: [ 3492.322008] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
Sep  8 19:51:28 superstar kernel: [ 3492.322010] Process kaffeine (pid: 26841, 
threadinfo ffff8801b95d8000, task ffff88022305b170)
Sep  8 19:51:28 superstar kernel: [ 3492.322011] Stack:
Sep  8 19:51:28 superstar kernel: [ 3492.322012]  ffff8801b8c09e18 
00000000000000eb ffffc90013b0c000 ffff8802115a6800
Sep  8 19:51:28 superstar kernel: [ 3492.322015] <0> 0000000000000001 
ffffc90012e51000 ffff8802115650c8 ffffffffa0271109
Sep  8 19:51:28 superstar kernel: [ 3492.322017] <0> 0000000200000010 
ffff8801b95d9c18 0000000200010010 ffff8801b95d9c08
Sep  8 19:51:28 superstar kernel: [ 3492.322020] Call Trace:
Sep  8 19:51:28 superstar kernel: [ 3492.322024]  [<ffffffffa0271109>] ? 
dib7000p_read_word+0x6e/0xbe [dib7000p]
Sep  8 19:51:28 superstar kernel: [ 3492.322027]  [<ffffffffa01fd05e>] ? 
usb_urb_submit+0x3f/0x81 [dvb_usb]
Sep  8 19:51:28 superstar kernel: [ 3492.322030]  [<ffffffffa0271cdb>] ? 
dib7000p_pid_filter_ctrl+0x1e/0x74 [dib7000p]
Sep  8 19:51:28 superstar kernel: [ 3492.322033]  [<ffffffffa01fc354>] ? 
dvb_usb_ctrl_feed+0x16b/0x1ca [dvb_usb]
Sep  8 19:51:28 superstar kernel: [ 3492.322038]  [<ffffffffa0393610>] ? 
dmx_ts_feed_start_filtering+0x72/0xc6 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322041]  [<ffffffffa039099e>] ? 
dvb_dmxdev_start_feed+0xbe/0xe6 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322045]  [<ffffffffa0391ae1>] ? 
dvb_dmxdev_filter_start+0x2a9/0x315 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322049]  [<ffffffffa0391dcf>] ? 
dvb_dmxdev_add_pid+0x50/0xf6 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322052]  [<ffffffffa03920e6>] ? 
dvb_demux_do_ioctl+0x271/0x4b7 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322055]  [<ffffffffa0390332>] ? 
dvb_usercopy+0xb4/0x128 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322059]  [<ffffffffa0391e75>] ? 
dvb_demux_do_ioctl+0x0/0x4b7 [dvb_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322063]  [<ffffffff810f6e63>] ? 
do_filp_open+0x4e4/0x94b
Sep  8 19:51:28 superstar kernel: [ 3492.322066]  [<ffffffff810f8b83>] ? 
vfs_ioctl+0x56/0x6c
Sep  8 19:51:28 superstar kernel: [ 3492.322068]  [<ffffffff810f909c>] ? 
do_vfs_ioctl+0x48d/0x4cb
Sep  8 19:51:28 superstar kernel: [ 3492.322072]  [<ffffffff810e3e9d>] ? 
virt_to_head_page+0x9/0x2a
Sep  8 19:51:28 superstar kernel: [ 3492.322074]  [<ffffffff810f912b>] ? 
sys_ioctl+0x51/0x70
Sep  8 19:51:28 superstar kernel: [ 3492.322078]  [<ffffffff81010b42>] ? 
system_call_fastpath+0x16/0x1b
Sep  8 19:51:28 superstar kernel: [ 3492.322079] Code: c2 22 e1 15 a0 e8 0b d5 
0b e1 48 83 c4 18 c3 41 57 49 89 f7 41 56 41 89 d6 41 55 41 54 55 bd a1 ff ff 
ff 53 48 89 fb 48 83 ec 08 <48> 8b 47 10 48 83 38 00 0f 84 87 00 00 00 65 48 
8b 04 25 c8 cb
Sep  8 19:51:28 superstar kernel: [ 3492.322098] RIP  [<ffffffffa015e3db>] 
i2c_transfer+0x1c/0xc0 [i2c_core]
Sep  8 19:51:28 superstar kernel: [ 3492.322102]  RSP <ffff8801b95d9ba8>
Sep  8 19:51:28 superstar kernel: [ 3492.322103] CR2: 0000000000000012
Sep  8 19:51:28 superstar kernel: [ 3492.322105] ---[ end trace 
106578cacf144da6 ]---

What can I do to solve the problem?

Regards
  Christoph
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