Date: Wed, 21 Nov 2012 23:12:17 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Ian Smith <smithi@nimnet.asn.au> Cc: Andriy Gapon <avg@icyb.net.ua>, freebsd-stable@freebsd.org, Lars Engels <lars.engels@0x20.net>, Ronald Klop <ronald-freebsd8@klop.yi.org> Subject: Re: Increasing the DMESG buffer.... Message-ID: <CAJ-Vmonk2RS=FwpgVHpeuFF5jf%2BSjE2Hv8kOFBrDCkv-=hTYSg@mail.gmail.com> In-Reply-To: <20121122144400.M21191@sola.nimnet.asn.au> References: <50ACA59D.3080809@digiware.nl> <20121121101411.GG4535@server.rulingia.com> <50ACD522.7000706@digiware.nl> <50ACEE5B.8000901@FreeBSD.org> <50ACF891.4050105@digiware.nl> <1353513692.69940.7.camel@revolution.hippie.lan> <50ACFC6C.8070506@FreeBSD.org> <20121122040251.G21191@sola.nimnet.asn.au> <50AD0E82.3070706@digiware.nl> <20121121194142.8c4bf7d1977f13801a021ccc@getmail.no> <op.wn4141f88527sy@212-182-167-131.ip.telfort.nl> <CAJ-VmomREO6uj_izmD%2Bp90cFn=AQcz7UbZNkX8PVnU5mG_8ufQ@mail.gmail.com> <20121122144400.M21191@sola.nimnet.asn.au>
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On 21 November 2012 20:16, Ian Smith <smithi@nimnet.asn.au> wrote: > On Wed, 21 Nov 2012 12:08:42 -0800, Adrian Chadd wrote: > > .. because some of us like kernel behaviour to be predictable and > > controllable, rather than 'just be dynamic here, what could possibly > > go wrong.' > > > > Just bump the default kernel buffer size up to 64k and leave it > > hard-coded like that. Us embedded people can drop that down to > > something smaller. > > > > There. Problem solved, right? > > Well maybe, but I still tend to take Andriy's point about snd_hda. For > example, Lars Engels posted several verbose dmesgs the other day, not to > do with sound, one of which was: > http://bsd-geek.de/FreeBSD/T61_dmesg.boot.10.works > > T61_dmesg.boot.10.works (file 1 of 2) lines 1813-1861/1861 byte 82415/82415 > > Cutting just the hdaa0, pcm0 and pcm1 stuff results in: > > hda_pcm.verbose (file 2 of 2) lines 712-760/760 byte 28531/28531 Is there a way to extract this topology information out of the driver without putting it in the verbose output? Adrian
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