Date: Wed, 28 Feb 2007 23:02:08 +0100 From: usleepless@gmail.com To: "Anders Troback" <freebsd@troback.com> Cc: FreeBSD <freebsd-multimedia@freebsd.org> Subject: Re: Cxm and dma... Message-ID: <c39ec84c0702281402g3c3915eag8200ec92e82312fe@mail.gmail.com> In-Reply-To: <20070228224223.5df7a556@devil.troback.com> References: <20070228224223.5df7a556@devil.troback.com>
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Anders, On 2/28/07, Anders Troback <freebsd@troback.com> wrote: > Hi, > > I'm running MythTV with a PVR-350 card (using pvrxxx). In "Live View" > the performance is bad. In /var/log/messages I've got lots of: > ...... > Feb 28 22:15:07 tv kernel: cxm0: encoder dma not already in progress > Feb 28 22:15:07 tv kernel: cxm0: encoder dma not enough buffer space > ..... > > My system is a 2.4 GHz Pentium with 515Mb RAM running on a FreeBSD 6.2. > > Any ideas out there? you can crank up CXM_SG_BUFFERS in cxm.h. try that. it is this low ( 16 ) at the moment because i had strange panics on 4.11 with 4 cards ( each claiming #CXM_SG_BUFFERs ). settings this to 16 solved the issue. regards, usleep
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