Date: Fri, 29 Sep 2000 03:11:15 +0900 From: Takaya Ogawa <t-ogawa@triaez.kaisei.org> To: Julian Elischer <julian@elischer.org> Cc: current@freebsd.org Subject: Re: hwptr went backwards.. Message-ID: <86snqkidz0.wl.t-ogawa@triaez.kaisei.org> In-Reply-To: In your message of "Thu, 28 Sep 2000 00:50:10 -0700 (PDT)" <Pine.BSF.4.10.10009280043300.17364-100000@InterJet.elischer.org> References: <Pine.BSF.4.10.10009280043300.17364-100000@InterJet.elischer.org>
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At Thu, 28 Sep 2000 00:50:10 -0700 (PDT),
Julian Elischer <julian@elischer.org> wrote:
> pcm0: hwptr went backwards 708 -> 628
I've seen this too on my PC running current as of Sep
20. dmesg says:
pcm0: <ESS Solo-1 (unknown vendor)> port 0xfc8c-0xfc8f,0xfc88-0xfc8b,0xfc30-0xfc3f,0xfc20-0xfc2f,0xfcc0-0xfcff irq 5 at device 11.0 on pci0
> I've seen others mention this..
> I didn't however see a resolution..
> Will I pick up a fix for this when I upgrade?
> If it is well understood, is there a single file I can pre-patch
> while leaving the rest of the system at the PRE_SMPNG stage?
Though I don't realize the code at all, the messages
almost, but not completely, went away by the following
patch for me.
All I did is use cvs diff and see what revision
triggered the problem. So this would be a wrong
solution...
--- channel.c.orig Fri Sep 29 02:56:47 2000
+++ channel.c Fri Sep 29 02:58:13 2000
@@ -241,7 +241,7 @@ chn_checkunderflow(pcm_channel *c)
b->fl = b->bufsize - b->rl;
b->underflow = 0;
} else {
- chn_dmaupdate(c);
+ /* chn_dmaupdate(c); */
}
}
----------
Takaya Ogawa
t-ogawa@triaez.kaisei.org
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