Date: Fri, 20 Jul 2007 18:58:14 GMT From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 123817 for review Message-ID: <200707201858.l6KIwE22012777@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=123817 Change 123817 by peter@peter_overcee on 2007/07/20 18:58:11 Lower the SIO fifo trigger threshold one click. This seems to stop the regular sio overflows on my amd64 box. Affected files ... .. //depot/projects/hammer/sys/dev/sio/sio.c#55 edit Differences ... ==== //depot/projects/hammer/sys/dev/sio/sio.c#55 (text+ko) ==== @@ -1820,7 +1820,7 @@ */ com->fifo_image = com->unit == siotsunit ? 0 : t->c_ispeed <= 4800 - ? FIFO_ENABLE : FIFO_ENABLE | FIFO_RX_MEDH; + ? FIFO_ENABLE : FIFO_ENABLE | FIFO_RX_MEDL; #ifdef COM_ESP /* * The Hayes ESP card needs the fifo DMA mode bit set
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