[cpia] client probs

[Bastian]

At 11:55 1.3.2000 +0100, Peter Pregler wrote:
>Hi,
>
>this was solved for me too in version 0.7.2. AFAIK it has to do with the

changed to 0.7.2 but still have the probleme below.
what about the kernel.patch ? is this just to add the newest version of
cpia to the kernel sources or do i need to run the patch ?
and what about causing my kernel version 2.2.13 this problem ?
better stepping up to 2.2.14 ?
i am very sad, because it was hard to get that old model (webcam II).

>On 01-Mar-2000 Bastian wrote:
> > I use the creative webcam II, kernel 2.2.13, reflection x as xserver on
> > win98
> > to connect to my linux box.
> > bringing up the modules works fine :
> > -------------
> > Linux video capture interface: v1.00
> > V4L-Driver for Vision CPiA based cameras v0.7.1
> > Parallel port driver for Vision CPiA based cameras v0.7.1
> >    using PIO mode
> > cpia.c(49960):goto_low_power(2280):camera now in LOW power state
> > cpia.c(49968):goto_high_power(2268):camera now in HIGH power state
> > cpia.c(49980):dispatch_commands(2023):1 1 0 0 1 1 1 1
> > cpia.c(49980):dispatch_commands(2024):0 1 1 1 1 1 0 1
> > cpia.c(49984):save_camera_state(2300):0/0/185/0/220/214/214/230
> > cpia.c(49984):save_camera_state(2304):32/6/92
> >    CPiA Version: 1.02 (1.0)
> >    CPiA PnP-ID: 0553:0001:0100
> >    VP-Version: 1.0 0100
> >    1 camera(s) found
> > -------------
> >
> > but when i try to start a client (xawtv, gqcam) i always get a
> > segmentation
> > fault.
> > dmesg says :
> >
> > -------------
> > Unable to handle kernel NULL pointer dereference at virtual address
> > 0000000c
> > current->tss.cr3 = 03537000, %cr3 = 03537000
> > *pde = 00000000
> > Oops: 0000
> > CPU:    0
> > EIP:    0010:[<c58640b3>]
> > EFLAGS: 00010212
> > eax: 00000000   ebx: 00032000   ecx: c3538000   edx: 00000316
> > esi: c58dd000   edi: c58dd000   ebp: 0000001f   esp: c3539f2c
> > ds: 0018   es: 0018   ss: 0018
> > Process vidcat (pid: 582, process nr: 45, stackpage=c3539000)
> > Stack: c5862540 c3612e00 c586ba94 00031ba5 c3311eb0 00000000 c586217f
> > c3311eb0
> >         00000000 00000000 c3648840 c34deff0 00000051 00000000 000000ff
> > c01c017c
> >         c01e77e0 c01271cf c34deff0 c3648840 c3648840 00000000 c34deff0
> > c0125fa4
> > Call Trace: [<c5862540>] [<c586ba94>] [<c586217f>] [<c01c017c>]
> > [<c01271cf>] [<c
> > 0125fa4>] [<c012619a>]
> >         [<c0107a2c>]
> > Code: 8b 40 0c 8b 14 90 85 d2 74 3b 81 e2 00 f0 ff ff 89 f8 c1 e8
> > -------------
> >

Bastian