From: Andrew Morton <akpm@osdl.org>
To: Lee Revell <rlrevell@joe-job.com>
Cc: miles.lane@gmail.com, linux-kernel@vger.kernel.org,
linux1394-devel@lists.sourceforge.net
Subject: Re: 2.6.16-rc2-mm1 -- BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg()
Date: Fri, 10 Feb 2006 20:37:15 -0800 [thread overview]
Message-ID: <20060210203715.57b39b0d.akpm@osdl.org> (raw)
In-Reply-To: <1139624931.19342.46.camel@mindpipe>
Lee Revell <rlrevell@joe-job.com> wrote:
>
> On Fri, 2006-02-10 at 12:21 -0800, Andrew Morton wrote:
> > Miles Lane <miles.lane@gmail.com> wrote:
> > >
> > > BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg()
> >
> > That's a -mm-only warning telling you that get_phy_reg() is doing a
> > one-millisecond-or-more busywait while local interrupts are disabled.
> >
> > That's the sort of thing which makes audio developers pursue 1394 developers
> > with sharp sticks.
>
> Hmm, interesting, did -mm get a "lite" version of Ingo's latency tracer?
>
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc2/2.6.16-rc2-mm1/broken-out/debug-warn-if-we-sleep-in-an-irq-for-a-long-time.patch
next prev parent reply other threads:[~2006-02-11 4:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-10 20:07 2.6.16-rc2-mm1 -- BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg() Miles Lane
2006-02-10 20:21 ` Andrew Morton
2006-02-11 0:31 ` Stefan Richter
2006-02-11 2:30 ` Lee Revell
2006-02-11 8:39 ` Stefan Richter
2006-02-11 2:28 ` Lee Revell
2006-02-11 4:37 ` Andrew Morton [this message]
2006-02-11 8:50 ` Stefan Richter
2006-02-11 9:03 ` Andrew Morton
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