From: Roland Dreier <rdreier@cisco.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Early hang with 2.6.21-rc4-rt1
Date: Sun, 25 Mar 2007 07:35:22 -0700 [thread overview]
Message-ID: <ada4po9mlw5.fsf@cisco.com> (raw)
In-Reply-To: <20070325073146.GB10734@elte.hu> (Ingo Molnar's message of "Sun, 25 Mar 2007 09:31:46 +0200")
> > I'm trying to use 2.6.21-rc4-rt1 to track down who's keeping
> > interrupts off for too long. [...]
> btw., is this something you know for sure (if yes, how do you know?) -
> or is it that you would like to double-check the irqs-off times of
> v2.6.21-to-be?
I finally got curious enough to want to debug why starting kvm with
tun/tap networking produces a bunch of
rtc: lost some interrupts at 1024Hz.
messages. So I'm assuming it's a ~millisecond irqs-off section
somewhere.
- R.
next prev parent reply other threads:[~2007-03-25 14:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-25 5:03 Early hang with 2.6.21-rc4-rt1 Roland Dreier
2007-03-25 5:29 ` Roland Dreier
2007-03-25 7:29 ` Ingo Molnar
2007-03-25 7:34 ` Ingo Molnar
2007-03-25 8:06 ` Ingo Molnar
2007-03-25 16:27 ` Roland Dreier
2007-03-25 7:31 ` Ingo Molnar
2007-03-25 14:35 ` Roland Dreier [this message]
2007-03-25 17:01 ` Roland Dreier
2007-03-27 19:22 ` Ingo Molnar
2007-03-27 19:24 ` Ingo Molnar
2007-03-27 19:42 ` Roland Dreier
2007-03-30 9:02 ` Ingo Molnar
2007-03-30 9:24 ` Ingo Molnar
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