Date: Wed, 13 Jul 2005 12:33:55 +0400 From: Dmitry Mityugov <dmitry.mityugov@gmail.com> To: Yuri <yuri@tsoft.com> Cc: freebsd-questions@freebsd.org Subject: Re: why CDROM operations cause system to be slow and HD operations do not Message-ID: <b7052e1e05071301333596c3c8@mail.gmail.com> In-Reply-To: <42D4C8C9.1030401@tsoft.com> References: <42D4C8C9.1030401@tsoft.com>
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On 7/13/05, Yuri <yuri@tsoft.com> wrote: > When I read something from CDROM my system gets visibly slow and HD > reads/writes do not have the same effect. >=20 > I think they both should have similar effect on system performance since > multiple requests should just wait till completion interrupt and other > processes shouldn't be affected. Is DMA enabled on both the HD and CDROM? --=20 Dmitry "We live less by imagination than despite it" - Rockwell Kent, "N by E"
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