From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: equivalent of touch_nmi_watchdog From: Benjamin Herrenschmidt To: Rajarshi Das Cc: linuxppc-dev list In-Reply-To: <1088517617.18965.65.camel@darya> References: <1088509774.22425.54.camel@darya> <1088514406.13868.48.camel@gaston> <1088517617.18965.65.camel@darya> Content-Type: text/plain Message-Id: <1088516776.15069.50.camel@gaston> Mime-Version: 1.0 Date: Tue, 29 Jun 2004 08:46:16 -0500 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: 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/