From: Matt Mackall <mpm@selenic.com>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: netconsole hangs w/ alt-sysrq-t
Date: Thu, 1 Jul 2004 11:52:01 -0500 [thread overview]
Message-ID: <20040701165201.GF25826@waste.org> (raw)
In-Reply-To: <16608.20014.220537.339589@segfault.boston.redhat.com>
On Mon, Jun 28, 2004 at 12:58:22PM -0400, Jeff Moyer wrote:
> ==> Regarding Re: netconsole hangs w/ alt-sysrq-t; Matt Mackall <mpm@selenic.com> adds:
> mpm> No, I think we get to this on the non-NAPI route as well. The ->poll
> mpm> check keeps us from filtering twice.
>
> I'll have to take your word for it on this one, as I can't find a way into
> this code for the non-napi case. Would anyone care to give an
> authoritative answer on this?
I could be mistaken, but that's my recollection from last summer.
Hopefully I'll have some spare cycles for this next week.
> One other thing we might consider is adding a call to touch_nmi_watchdog()
> to zap_completion_queue.
Not sure how I feel about that yet. If we can't get out of the guts of
netpoll in a timely fashion, then perhaps that's an indication that
the watchdog should indeed fire. Describe the scenario where you think
we should do this, please.
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2004-07-01 16:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-22 15:29 netconsole hangs w/ alt-sysrq-t Jeff Moyer
2004-04-25 19:15 ` Matt Mackall
2004-04-28 12:44 ` Jeff Moyer
2004-04-28 14:03 ` Matt Mackall
2004-04-28 14:07 ` Jeff Moyer
2004-04-28 14:27 ` Matt Mackall
2004-04-28 18:23 ` Jeff Moyer
2004-05-20 2:20 ` klogd, netconsole without /dev/console? Tom Oehser
2004-06-25 15:50 ` netconsole hangs w/ alt-sysrq-t Jeff Moyer
2004-06-25 23:27 ` Matt Mackall
2004-06-28 14:48 ` Jeff Moyer
2004-06-28 15:19 ` Matt Mackall
2004-06-28 16:58 ` Jeff Moyer
2004-06-29 12:36 ` Jeff Moyer
2004-07-01 16:52 ` Matt Mackall [this message]
2004-07-01 16:54 ` Jeff Moyer
2004-07-01 17:05 ` Matt Mackall
2004-07-01 17:53 ` Jeff Moyer
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