Re: usb or video4linux problem

From: christophe barbé (christophe.barbe.ml@online.fr)
Date: Thu Jan 24 2002 - 23:42:27 EST

On Thu, Jan 24, 2002 at 08:12:26PM -0800, Greg KH wrote:
> On Thu, Jan 24, 2002 at 10:28:57PM -0500, christophe barbé wrote:
> >
> > I'm convinced that it's a problem with OHCI.
> > I think it's a soft problem because I can trigger it with cpu/io
> > activity.
>
> Does the kernel log show any USB errors, or any USB messages at all?
> What kernel version are you using?

But I see ov511 output (with debug=4 option) until the freeze and then
nothing :

Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4291] Frame end, curframe = 0, packnum=159, hw=352, vw=288, recvd=152631
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4338] Frame start, framenum = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5470] CMCAPTURE
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5472] frame: 0, size: 352x288, format: 7
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5530] VIDIOCMCAPTURE: renewing frame 0
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_new_frame:4836] ov511->curframe = 1, framenum = 0
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5550] syncing to frame 1, grabstate = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4291] Frame end, curframe = 1, packnum=159, hw=352, vw=288, recvd=152631
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4338] Frame start, framenum = 0
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5470] CMCAPTURE
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5472] frame: 1, size: 352x288, format: 7
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5530] VIDIOCMCAPTURE: renewing frame 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_new_frame:4836] ov511->curframe = 0, framenum = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5550] syncing to frame 0, grabstate = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4291] Frame end, curframe = 0, packnum=159, hw=352, vw=288, recvd=152631
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5470] CMCAPTURE
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5472] frame: 0, size: 352x288, format: 7
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5530] VIDIOCMCAPTURE: renewing frame 0
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_new_frame:4836] ov511->curframe = 1, framenum = 0
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5550] syncing to frame 1, grabstate = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4338] Frame start, framenum = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4291] Frame end, curframe = 1, packnum=159, hw=352, vw=288, recvd=152631
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_move_data:4338] Frame start, framenum = 0
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5470] CMCAPTURE
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5472] frame: 1, size: 352x288, format: 7
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5530] VIDIOCMCAPTURE: renewing frame 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_new_frame:4836] ov511->curframe = 0, framenum = 1
Jan 24 23:23:53 turing kernel: ov511.c: [ov511_ioctl_internal:5550] syncing to frame 0, grabstate = 1

Then the video freeze and I get no more output.

>
> thanks,
>
> greg k-h
> -
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-- 
Christophe Barbé <christophe.barbe@ufies.org>
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Cats are rather delicate creatures and they are subject to a good
many ailments, but I never heard of one who suffered from insomnia.
--Joseph Wood Krutch
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