Messages in this thread | | | Date | Fri, 11 Nov 2005 21:06:07 +0900 | From | Junichi Uekawa <> | Subject | Re: [x86_64] 2.6.14-git13 mplayer fails with "v4l2: ioctl queue buffer failed: Bad address" (2 Nov 2005, 11 Nov 2005) |
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Hi,
> >>>$ 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...) > > > > > v4l2 support could not have been broken, since it was never present. > You were going through a compat layer.... Maybe that's where the > regression is.
> One question -- At exactly what point does this break for you? The git > commit key above was from today, but at what point did this LAST work > for you? It would be really helpful if you can do a git bisection test, > so that we can isolate the trouble patch if in fact it is a regression.
df70b17f88a4d1d8545d3569a1f6d28c6004f9e4 2 Nov 2005 Nonfunctional bttv d83c671fb7023f69a9582e622d01525054f23b66 1 Nov 2005 (fails to boot due to USB issues) 6e9d6b8ee4e0c37d3952256e6472c57490d6780d 27 Oct 2005 Functional bttv
> You might also like to join us in #v4l on irc.freenode.net ... Sometimes > it's much quicker to troubleshoot this stuff over irc instead of email.
joined, but currently rebooting sporadically to test different kernels.
regards, junichi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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