# lsusb :
Bus 004 Device 002: ID 0ccd:0047 TerraTec Electronic GmbH
Bus 004 Device 001: ID 0000:0000  
Bus 003 Device 001: ID 0000:0000  
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 001: ID 0000:0000

After compiling agains 2.6.17-11 on Ubuntu Egdy  get this error
message. I take the sources from

# hg clone http://mcentral.de/hg/~mrec/v4l-dvb-kernel

# dmesg :

[17179753.544000] usb 4-2: new high speed USB device using ehci_hcd and
address 2
[17179753.680000] usb 4-2: configuration #1 chosen from 1 choice
[17179753.952000] Linux video capture interface: v2.00
[17179754.024000] em28xx v4l2 driver version 0.0.1 loaded
[17179754.024000] em28xx new video device (0ccd:0047): interface 0,
class 255
[17179754.024000] em28xx: device is attached to a USB 2.0 bus
[17179754.024000] em28xx: you're using the experimental/unstable tree
from mcentral.de
[17179754.024000] em28xx: there's also a stable tree available but which
is limited to
[17179754.024000] em28xx: linux <=2.6.19.2
[17179754.024000] em28xx: it's fine to use this driver but keep in mind
that it will move
[17179754.024000] em28xx: to http://mcentral.de/hg/~mrec/v4l-dvb-kernel
as soon as it's
[17179754.024000] em28xx: proved to be stable
[17179754.024000] em28xx #0: Alternate settings: 8
[17179754.024000] em28xx #0: Alternate setting 0, max size= 0
[17179754.024000] em28xx #0: Alternate setting 1, max size= 0
[17179754.024000] em28xx #0: Alternate setting 2, max size= 1448
[17179754.024000] em28xx #0: Alternate setting 3, max size= 2048
[17179754.024000] em28xx #0: Alternate setting 4, max size= 2304
[17179754.024000] em28xx #0: Alternate setting 5, max size= 2580
[17179754.024000] em28xx #0: Alternate setting 6, max size= 2892
[17179754.024000] em28xx #0: Alternate setting 7, max size= 3072
[17179754.168000] attach_inform: eeprom detected.
[17179754.216000] em28xx #0: i2c eeprom 00: 1a eb 67 95 cd 0c 47 00 50
12 5c 03 6a 2e 98 12
[17179754.216000] em28xx #0: i2c eeprom 10: 00 00 06 57 46 07 00 00 00
00 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom 20: 46 00 01 00 f0 10 31 00 b8
00 14 00 5b 00 00 00
[17179754.216000] em28xx #0: i2c eeprom 30: 00 00 20 40 20 6e 02 20 10
01 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom 40: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom 50: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom 60: 00 00 00 00 00 00 00 00 00
00 2e 03 50 00 72 00
[17179754.216000] em28xx #0: i2c eeprom 70: 6f 00 64 00 69 00 67 00 79
00 20 00 48 00 79 00
[17179754.216000] em28xx #0: i2c eeprom 80: 62 00 72 00 69 00 64 00 20
00 54 00 56 00 20 00
[17179754.216000] em28xx #0: i2c eeprom 90: 55 00 53 00 42 00 00 00 12
03 50 00 72 00 6f 00
[17179754.216000] em28xx #0: i2c eeprom a0: 64 00 69 00 67 00 79 00 00
00 67 00 79 00 20 00
[17179754.216000] em28xx #0: i2c eeprom b0: 48 00 79 00 62 00 72 00 69
00 64 00 20 00 54 00
[17179754.216000] em28xx #0: i2c eeprom c0: 56 00 20 00 55 00 53 00 42
00 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom d0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom e0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[17179754.216000] em28xx #0: i2c eeprom f0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[17179754.216000] EEPROM ID= 0x9567eb1a
[17179754.216000] Vendor/Product ID= 0ccd:0047
[17179754.216000] AC97 audio (5 sample rates)
[17179754.216000] 500mA max power
[17179754.216000] Table at 0x06, strings=0x2e6a, 0x1298, 0x0000
[17179754.220000] tuner 0-0061: chip found @ 0xc2 (em28xx #0)
[17179754.220000] attach inform (default): detected I2C address c2
[17179754.220000] tuner 0x61: Configuration acknowledged
[17179754.220000]
/home/walter/download/v4l-dvb-kernel/v4l/xc3028-tuner.c: attach request!
[17179754.220000] BUG: unable to handle kernel paging request at virtual
address 726f66a2
[17179754.220000]  printing eip:
[17179754.220000] e06bdcd3
[17179754.220000] *pde = 00000000
[17179754.220000] Oops: 0002 [#1]
[17179754.220000] SMP
[17179754.220000] Modules linked in: xc3028_tuner tvp5150 snd_usb_audio
snd_usb_lib tuner em28xx compat_ioctl32 ir_common videodev snd_hwdep
v4l2_common v4l1_compat tveeprom binfmt_misc rfcomm l2cap bluetooth nfs
vboxdrv ipv6 nfsd exportfs lockd sunrpc ppdev i915 drm
speedstep_centrino cpufreq_userspace cpufreq_stats freq_table
cpufreq_powersave cpufreq_ondemand cpufreq_conservative video tc1100_wmi
sbs sony_acpi pcc_acpi i2c_ec i2c_core hotkey dev_acpi button battery
container ac asus_acpi nls_utf8 ntfs ext2 fuse sbp2 scsi_mod lp
af_packet joydev tsdev pcmcia snd_intel8x0 snd_ac97_codec snd_ac97_bus
ipw2100 snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss
ieee80211 ieee80211_crypt snd_seq_midi snd_rawmidi snd_seq_midi_event
snd_seq snd_timer snd_seq_device yenta_socket rsrc_nonstatic pcmcia_core
snd irda crc_ccitt parport_pc parport soundcore snd_page_alloc psmouse
serio_raw pcspkr shpchp pci_hotplug intel_agp agpgart evdev ext3 jbd
ide_cd cdrom ide_disk 8139too piix 8139cp mii ohci1394 ieee1394 ehci_hcd
floppy generic uhci_hcd usbcore thermal processor fan fbcon tileblit
font bitblit softcursor vesafb capability commoncap
[17179754.220000] CPU:    0
[17179754.220000] EIP:    0060:[<e06bdcd3>]    Not tainted VLI
[17179754.220000] EFLAGS: 00010202   (2.6.17-11-generic #2)
[17179754.220000] EIP is at xc3028_attach+0x33/0x154 [xc3028_tuner]
[17179754.220000] eax: 726f666e   ebx: c6ac87c0   ecx: 00000000   edx:
00000292
[17179754.220000] esi: e074f1b0   edi: ca5ff08c   ebp: c6ac87c0   esp:
c3dcb7e4
[17179754.220000] ds: 007b   es: 007b   ss: 0068
[17179754.220000] Process modprobe (pid: 5770, threadinfo=c3dca000
task=c7dc4560)
[17179754.220000] Stack: e06be013 e06be4e0 c61d8000 e074f1b0 c61d8000
e075cdb7 c61d8014 00000000
[17179754.220000]        c61d8014 00000000 c0244970 c61d8014 ca5ff0b8
ca5ff08c e03f69d1 0000000e
[17179754.220000]        00000047 e06bdca0 00000000 c61d8000 00000000
00000000 ca5ff08c e075d3f5
[17179754.220000] Call Trace:
[17179754.220000]  <e075cdb7> set_type+0x267/0x400 [tuner]  <c0244970>
device_create_file+0x30/0x50
[17179754.220000]  <e03f69d1> i2c_attach_client+0xd1/0xf0 [i2c_core] 
<e06bdca0> xc3028_attach+0x0/0x154 [xc3028_tuner]
[17179754.220000]  <e075d3f5> tuner_attach+0x225/0x330 [tuner] 
<e03f5afe> i2c_probe_address+0x3e/0x110 [i2c_core]
[17179754.220000]  <e03f5ddd> i2c_probe+0x20d/0x230 [i2c_core] 
<e075d1d0> tuner_attach+0x0/0x330 [tuner]
[17179754.220000]  <c0246fc0> class_device_add+0xc0/0x330  <e075d1d0>
tuner_attach+0x0/0x330 [tuner]
[17179754.220000]  <e03f6442> i2c_add_adapter+0x172/0x1b0 [i2c_core] 
<e0748588> em28xx_i2c_register+0x88/0x130 [em28xx]
[17179754.220000]  <e0749e6b> em28xx_write_regs+0x1b/0x20 [em28xx] 
<e0748d78> em28xx_card_setup+0x58/0xb00 [em28xx]
[17179754.220000]  <e0743b12> em28xx_init_dev+0x1e2/0x850 [em28xx] 
<e0744700> em28xx_usb_probe+0x360/0x19b0 [em28xx]
[17179754.220000]  <c0251cba> ide_map_sg+0x8a/0xa0  <c012bb70>
lock_timer_base+0x20/0x50
[17179754.220000]  <c012bca7> __mod_timer+0xa7/0xd0  <c01e4f59>
__delay+0x9/0x10
[17179754.220000]  <c02544f2> ide_execute_command+0x92/0xc0  <c025a95f>
ide_dma_exec_cmd+0x1f/0x30
[17179754.220000]  <c025a0d2> ide_dma_start+0x22/0x30  <e00fbd41>
ide_do_rw_disk+0x431/0x620 [ide_disk]
[17179754.220000]  <c02525be> ide_do_request+0x47e/0x8a0  <c012bb70>
lock_timer_base+0x20/0x50
[17179754.220000]  <c012c0d9> del_timer+0x59/0x70  <c014efb2>
mempool_alloc+0x32/0xf0
[17179754.220000]  <c01df06c> cfq_set_request+0x20c/0x3c0  <c01ddf89>
cfq_add_crq_rb+0xc9/0x100
[17179754.220000]  <c01de12a> cfq_insert_request+0x6a/0x590  <c01d21c6>
elv_insert+0x126/0x1a0
[17179754.220000]  <c01d62d0> __make_request+0xe0/0x3e0  <c01703c7>
bio_add_page+0x37/0x50
[17179754.220000]  <c01d3f70> generic_make_request+0x150/0x200 
<e01b75b0> ext3_get_block+0x0/0x100 [ext3]
[17179754.220000]  <c01d5eb5> submit_bio+0x55/0x100  <c01e25a0>
radix_tree_node_alloc+0x10/0x60
[17179754.220000]  <c01e2e3a> radix_tree_insert+0x1ca/0x210  <c01e0772>
__next_cpu+0x12/0x20
[17179754.220000]  <c011b22d> find_busiest_group+0xcd/0x2f0  <c02d904e>
schedule+0x41e/0xcc0
[17179754.220000]  <c011b8e7> activate_task+0x67/0xb0  <c011aca4>
__activate_task+0x14/0x30
[17179754.220000]  <c011ba7e> try_to_wake_up+0x6e/0x3d0  <c02d904e>
schedule+0x41e/0xcc0
[17179754.220000]  <e0092b1a> usb_probe_interface+0x6a/0xa0 [usbcore] 
<c0246174> driver_probe_device+0x44/0xc0
[17179754.220000]  <c011d497> __cond_resched+0x17/0x30  <c02462f2>
__driver_attach+0x82/0x90
[17179754.220000]  <c0245aeb> bus_for_each_dev+0x3b/0x60  <c02460b6>
driver_attach+0x16/0x20
[17179754.220000]  <c0246270> __driver_attach+0x0/0x90  <c024575c>
bus_add_driver+0x8c/0x140
[17179754.220000]  <c0246521> driver_register+0x41/0xa0  <e00928d9>
usb_register_driver+0x79/0x100 [usbcore]
[17179754.220000]  <e0591037> em28xx_module_init+0x37/0x54 [em28xx] 
<c013cda8> sys_init_module+0x148/0x19c0
[17179754.220000]  <e0722000> tvp5150_set_std+0x0/0x1e0 [tvp5150] 
<e03f5290> i2c_master_send+0x0/0x50 [i2c_core]
[17179754.220000]  <c0102fbb> sysenter_past_esp+0x54/0x79
[17179754.220000] Code: c3 83 ec 08 c7 44 24 04 e0 e4 6b e0 c7 04 24 13
e0 6b e0 e8 c0 51 a6 df 85 f6 0f 84 12 01 00 00 8b 46 08 85 c0 0f 84 db
00 00 00 <83> 40 34 01 89 c2 89 78 0c 8b 06 89 42 1c be 4c de 6b e0 8d 7b
[17179754.220000] EIP: [<e06bdcd3>] xc3028_attach+0x33/0x154
[xc3028_tuner] SS:ESP 0068:c3dcb7e4

thank you,
Walter



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