From: "ismail dönmez" <ismail.donmez@gmail.com>
To: Roger Larsson <roger.larsson@norran.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: (att. ismail) [announce] [patch] Voluntary Kernel Preemption Patch
Date: Sat, 10 Jul 2004 17:12:14 +0300 [thread overview]
Message-ID: <2a4f155d040710071244057045@mail.gmail.com> (raw)
In-Reply-To: <200407101503.58124.roger.larsson@norran.net>
I made artswrapper suid root. It's still skipping during cp -rf
big_folder copy operation. Jack is running with --realtime and I use
realtime lsm module to give it realtime capabilities.
doing a modprobe realtime gid=17
where 17 is "audio" group which happens to contain "cartman" user too.
On Sat, 10 Jul 2004 15:03:58 +0200, Roger Larsson
<roger.larsson@norran.net> wrote:
> > Tested on 2.6.7-bk20, Pentium3 700 mhz, 576 mb RAM
> >
> > I did cp -rf big_folder new_folder . Then opened up a gui ftp client
> > and music in amarok started to skip like for 2-3 seconds.
> >
> > Btw Amarok uses Artsd ( KDE Sound Daemon ) which in turn set to use
> > Jack Alsa Backend.
>
> Are you sure that both artsd and jackd is run as RT processes?
> artsd needs 'artswrapper' as suid root and option in kconfig enabled.
> (never versions of amarok warns the user if this is not the case...)
>
> [You can try to run the same as root to be sure]
>
> But it does sound as a io scheduler problem - but 2-3 seconds!?
>
> /RogerL
>
> --
> Roger Larsson
> Skellefteå
> Sweden
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at http://www.tux.org/lkml/
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--
Time is what you make of it
prev parent reply other threads:[~2004-07-10 14:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-10 13:03 (att. ismail) [announce] [patch] Voluntary Kernel Preemption Patch Roger Larsson
2004-07-10 14:09 ` Oswald Buddenhagen
2004-07-10 14:12 ` ismail dönmez [this message]
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