Hello,
I'm trying to use a Terratec TerraCAM USB. I'm using the cpia-1.0 driver from
webcam.sourceforge.net
on a 2.3.99-pre5 kernel (pre8 locked up at loading usb-uhci.o =:-/). Everything loads
fine, my
camera is detected, /proc/cpia works, but open("/dev/video0") fails inside the cpia
module when I
use gqcam (version 0.7.5):
----- syslog -----
cpia.c(664218):goto_low_power(2645):camera now in LOW power state
cpia.c(664237):goto_high_power(2631):camera now in HIGH power state
cpia.c(664240):dispatch_commands(2350):1 1 0 0 1 1 1 1
cpia.c(664240):dispatch_commands(2351):0 1 1 1 1 1 0 1
cpia.c(664243):save_camera_state(2665):0/0/185/0/220/214/214/230
cpia.c(664243):save_camera_state(2669):32/6/92
CPiA Version: 1.30 (2.10)
CPiA PnP-ID: 0553:0002:0100
VP-Version: 1.0 0141
kernel BUG at cpia.c:250!
invalid operand: 0000
CPU: 1
EIP: 0010:[<f8c5f118>]
EFLAGS: 00010296
eax: 0000001a ebx: 00870b40 ecx: 00000003 edx: 00000020
esi: 00032000 edi: 04745f00 ebp: f9131000 esp: ddcb3ed8
ds: 0018 es: 0018 ss: 0018
Process gqcam (pid: 1266, stackpage=ddcb3000)
Stack: de57fa00 00000000 f8c5d820 de2c26a0 de2c2620 c100000c f9131000 f8c69440
00031ba5 de57fae4 00000000 f8c5d193 de57fae4 00000000 00000000 de520c80
de61e7c0 00000051 00000000 000000ff c0295aa1 c02ff900 c0140db6 de61e7c0
Call Trace: [<f8c5d820>] [<f9131000>] [<f8c69440>] [<f8c5d193>]
[dm_head_vals.704+9337/10648]
[permission+10/372] [search_binary_handler+386/404]
[search_binary_handler+222/404] [do_coredump+103/404]
[io_check_error+0/88]
Code: 0f 0b a1 2c df 2f c0 89 44 24 14 90 89 e9 8b 5c 24 14 81 e1
----- end of syslog -----
bash-2.03# lsmod
Module Size Used by
cpia_usb 5108 0 (autoclean) (unused)
cpia 61628 0 [cpia_usb]
videodev 3104 2 [cpia]
usb-uhci 26564 0 (unused)
usbcore 50592 1 [cpia_usb usb-uhci]
----- CUT -----
The page_address macro in uvirt_to_kva (cpia.c line 250) fails. What can I do?
Karsten M�hlmann
--
Dipl.-Ing. Karsten M�hlmann
Lehrstuhl f�r Informatik V, Universit�t Mannheim
B6,26 D-68131 Mannheim
tel +49-621-181-2648 fax +49-621-181-2634
email [EMAIL PROTECTED]
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