DragonFly BSD
DragonFly bugs List (threaded) for 2005-06
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Re: patch (Re: ^Z during port build and hang?)

From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 25 Jun 2005 11:13:20 -0700 (PDT)

:On Sat, Jun 25, 2005 at 10:27:11AM +0200, Jeroen Ruigrok/asmodai wrote:
:> -On [20050625 03:31], Hiten Pandya (hmp@xxxxxxxxxxxxx) wrote:
:> >	If such is the case, this might solve the so-called interactivity
:> >	issues that Asmodai and others pointed out when one is doing a
:> >	buildworld and using X at thes same time ? (interactivity issues)
:> Disregard X here.  This happens just doing playing mp3's and 1 or 2 make
:> processes in console as well.
:I think that's a cache issue somewhere. I get when I play a mp3 via madplay
:and run a grep over src/sys/dev/netif (twice, the first time is fine).

    Sounds like a scheduling issue.  When the grep has to access I/O it
    blocks and madplay gets enough cpu.  When the grep only goes to the
    cache it doesn't block and madplay doesn't get enough.

					Matthew Dillon 

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