From: Benjamin Herrenschmidt <benh@kernel•crashing.org>
To: Rajarshi Das <rajarshi@in•ibm.com>
Cc: linuxppc-dev list <linuxppc-dev@lists•linuxppc.org>
Subject: Re: equivalent of touch_nmi_watchdog
Date: Tue, 29 Jun 2004 08:46:16 -0500 [thread overview]
Message-ID: <1088516776.15069.50.camel@gaston> (raw)
In-Reply-To: <1088517617.18965.65.camel@darya>
On Tue, 2004-06-29 at 09:00, Rajarshi Das wrote:
> Its basically dumping code. After a panic has happened, interrupts are
> inhibited, all CPUS (except the host cpu) are frozen, and for each page
> of data, the dump module writes the dump to disk by calling the host
> adapter's interrupt handler till I/O completes.
Hrm... a bit scary but might actually work. I don't think we have
a clean interface for whatever watchdog service HV may provide
though, but I'll let others comment on that.
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-06-29 13:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-29 11:49 equivalent of touch_nmi_watchdog Rajarshi Das
2004-06-29 13:06 ` Benjamin Herrenschmidt
2004-06-29 14:00 ` Rajarshi Das
2004-06-29 13:46 ` Benjamin Herrenschmidt [this message]
2004-06-29 23:13 ` Anton Blanchard
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