Re: [x86_64] 2.6.14-git13 mplayer fails with "v4l2: ioctl queue buffer failed: Bad address" (2 Nov 2005, 11 Nov 2005)

From: Junichi Uekawa
Date: Thu Nov 10 2005 - 19:05:10 EST


Hi,

> >I've tried running mplayer v4l2 input on a bt878 card, and it fails.
> >xawtv works fine, and 2.6.14-rc5 used to work fine.
> >
> >On git 3b44f137b9a846c5452d9e6e1271b79b1dbcc942 :
> >
> >$ mplayer tv://1 -tv driver=v4l2
> >MPlayer dev-CVS--4.0.2 (C) 2000-2005 MPlayer Team
> >CPU: Advanced Micro Devices Athlon 64 Newcastle,Winchester,San Diego,Venice; Sempron Palermo (Family: 15, Stepping: 0)
> >Detected cache-line size is 64 bytes
> >CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
> >Compiled for x86 CPU with extensions: MMX MMX2 3DNow 3DNowEx SSE SSE2
> >
> >
> BTTV currently only supports v4l1. We are still in the process of
> porting the bttv driver from v4l1 to v4l2. Nickolay is working on it.
>

Thanks for the info. It's strange since this is a regression
(pre 2.6.14 used to work. New code made it fail).
Do you mean there was a change that broke v4l2 support in bttv ?
Ever since Linux Kernel 2.6.3, I used v4l2 for recording (more
than one and a half years...)


regards,
junichi
--
dancer@{debian.org,netfort.gr.jp} Debian Project
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