Date: Tue, 02 Jul 2002 17:56:28 +0200 From: Juan Francisco Rodriguez Hervella <jrh@it.uc3m.es> To: Martin Faxer <gmh003532@brfmasthugget.se> Cc: Michael Hostbaek <mich@freebsdcluster.org>, current@FreeBSD.ORG Subject: Re: kern: device pcm problems Message-ID: <3D21CD2C.C1797A68@it.uc3m.es> References: <20020702142810.GB29841@mich2.itxmarket.com> <20020702143844.GA517@lockdown.spectrum.fearmuffs.net>
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Martin Faxer escribió: > On 2002.07.02 16:28:10 +0000, Michael Hostbaek wrote: > > I have problems getting my sound card functioning under -CURRENT. (While > > it was working perfect under -STABLE). > > > > I simply added 'device pcm' to the kernel config, when booting on new > > kernel I get lots of errors like this: > > > > <ESS Technology Maestro-2E> port 0x1400-0x14ff irq 5 at device 8.0 on pci0 > > ../../../vm/uma_core.c:1333: could sleep with "pcm0" locked from ../../../dev/so > > und/pcm/sound.c:134 > > This is a well known problem; it's basically a diagnostic message > telling you that there's a deficiency in the pcm driver. > > If you want to fix it permanently I suggest that you go and have a look > at dev/sound/pcm/sound.c:134 and look for a way of invoking UMA without > holding the lock. > Hello: Im a bit corious about what's the meaning of "UMA". Thanks and sorry fot this simple question :) JFRH. > > If you just want to work around it, you can probably disable INVARIANTS > and WITNESS in your kernel configuration and hope that it won't turn > into a real problem (ie. panic.) > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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