[linux-dvb] Kernel 2.6 Segmentation Fault

["Paolo Scaffardi" <scaffardi@airventsam.it>]

Hi there. I tried again compilino dvb-kernel on a mandrake 10.0 (kernel
2.6.3) machine, but when doing 'insmod.sh debug' i got this:

saa7146_vv: Unknown parameter `saa7146_debug'
dvb-ttpci: Unknown symbol saa7146_vv_init
dvb-ttpci: Unknown symbol saa7146_vv_release
dvb-ttpci: Unknown symbol saa7146_start_preview
dvb-ttpci: Unknown symbol saa7146_unregister_device
dvb-ttpci: Unknown symbol saa7146_register_device
dvb-ttpci: Unknown symbol saa7146_set_hps_source_and_sync
dvb-ttpci: Unknown symbol saa7146_stop_preview
saa7146: register extension 'budget dvb'.
saa7146: register extension 'budget_ci dvb'.
PCI: Found IRQ 12 for device 0000:00:0c.0
PCI: Sharing IRQ 12 with 0000:00:07.2
PCI: Sharing IRQ 12 with 0000:00:07.3
saa7146: found saa7146 @ mem d9be8000 (revision 1, irq 12) (0x13c2,0x100f).
DVB: registering new adapter (TT-Budget/WinTV-NOVA-CI PCI).
probe_tuner: try to attach to saa7146 (0)
/usr/src/dvb-kernel/build-2.6/stv0299.c: setup for tuner SU1278 (TSA5059
synth)
Unable to handle kernel NULL pointer dereference at virtual address 00000510
 printing eip:
d9ce55d5
*pde = 00000000
Oops: 0000 [#1]
CPU:    0
EIP:    0060:[<d9ce55d5>]    Not tainted VLI
EFLAGS: 00010296
EIP is at __crc_ttpci_budget_deinit+0x24f47838/0x24f47c6f [budget-core]
eax: 00000000   ebx: d5012000   ecx: d9d21260   edx: d5012000
esi: d43be0b8   edi: d43be08c   ebp: d4449dc4   esp: d4449dc4
ds: 007b   es: 007b   ss: 0068
Process insmod (pid: 2829, threadinfo=d4448000 task=d4dc0cc0)
Stack: d4449ddc d9cd07e7 d5012000 d5012000 d9d21430 d5012110 d4449df8
d9d1feee
       d5012000 ccf20860 d9d21304 d43be08c d43be12c d4449e28 d9cd0220
d43be08c
       d43be184 d43be12c d4449e48 d9ce571b d9ce55a0 d5d690c0 d43be000
d5d690c0
Call Trace:
 [<d9cd07e7>] __crc_i2c_smbus_read_block_data+0x999609/0x99b045 [i2c-core]
 [<d9d1feee>] 0xd9d1feee
 [<d9cd0220>] __crc_i2c_smbus_read_block_data+0x999042/0x99b045 [i2c-core]
 [<d9ce571b>] __crc_ttpci_budget_deinit+0x24f4797e/0x24f47c6f [budget-core]
 [<d9ce55a0>] __crc_ttpci_budget_deinit+0x24f47803/0x24f47c6f [budget-core]
 [<d9ce5732>] __crc_ttpci_budget_deinit+0x24f47995/0x24f47c6f [budget-core]
 [<d9d29a44>] 0xd9d29a44
 [<d9d24698>] __crc_saa7146_devices+0xa6a09a6/0xa6a0f13 [saa7146]
 [<c01c7da7>] pci_device_probe_static+0x37/0x50
 [<c01c7de9>] __pci_device_probe+0x29/0x40
 [<c01c7e1e>] pci_device_probe+0x1e/0x40
 [<c020890f>] bus_match+0x2f/0x70
 [<c0208a3d>] driver_attach+0x4d/0x90
 [<c0208c8f>] bus_add_driver+0x6f/0x90
 [<c020906f>] driver_register+0x2f/0x40
 [<c01230b4>] printk+0x134/0x140
 [<c01c7fd0>] pci_register_driver+0x50/0x80
 [<d9d24b46>] __crc_saa7146_devices+0xa6a0e54/0xa6a0f13 [saa7146]
 [<d9a4700d>] 0xd9a4700d
 [<c013649f>] sys_init_module+0xdf/0x1b0
 [<c010afa9>] sysenter_past_esp+0x52/0x79

Code: 45 0c 50 8b 45 08 8b 40 0c 50 e8 c7 e2 03 00 c9 c3 90 8d 74 26 00 55
89 e5 8b 55 08 8b 42 0c 8b 4a 10 83 c0 48 8b 40 74 8b 40 50 <8b> 80 10 05 00
00 50 68 54 76 00 00 52 ff 51 38 c9 c3 89 f6 8d

Is that a known bug?

Bye,
Paolo Scaffardi
AIRVENT SAM SpA 
via Macanno 32, 47900 RIMINI (RN)
Tel. +39 0541 383294
Fax +39 0541 387086





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