From: Don Zickus <dzickus@redhat.com>
To: Alejandro Cabrera <acabrera@udio.cujae.edu.cu>
Cc: linux-watchdog@vger.kernel.org
Subject: Re: watchdogs and kdump
Date: Fri, 28 Oct 2011 11:48:22 -0400 [thread overview]
Message-ID: <20111028154822.GW3452@redhat.com> (raw)
In-Reply-To: <4EAACE56.90209@udio.cujae.edu.cu>
On Fri, Oct 28, 2011 at 11:46:30AM -0400, Alejandro Cabrera wrote:
> Hi
>
> I dont know kjump :), but seeing it's description I think that you
> could use a temporal thread executed in the context of kdump that
> ping the watchdog at certain intervals like watchdogd does at
> user-space.
Sure. Add something like watchdogd isn't difficult. My problem is
getting enough time to boot the second kernel to run that daemon.
Depending on when the watchdog was last kicked, the machine may reboot
while trying to initialize the cpu in the second kernel. :-(
Cheers,
Don
next prev parent reply other threads:[~2011-10-28 15:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-27 20:30 watchdogs and kdump Don Zickus
2011-10-27 20:30 ` Don Zickus
2011-10-27 21:43 ` Pádraig Brady
2011-10-27 21:43 ` Pádraig Brady
2011-10-28 13:39 ` Don Zickus
2011-10-28 13:39 ` Don Zickus
2012-01-21 18:21 ` kdump not working Intel S5520UR motherboards with Xeon processor Prashant Dinkar Kharche
2012-01-23 15:18 ` Don Zickus
2011-10-28 15:46 ` watchdogs and kdump Alejandro Cabrera
2011-10-28 15:48 ` Don Zickus [this message]
2011-10-28 16:13 ` Alejandro Cabrera
2011-10-28 16:22 ` Don Zickus
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