linux-kernel - Re: Possible hang inside interrupt handler on sata

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Pine.LNX.4.64N.0709131818180.31069@blysk.ds.pg.gda.pl>
Date:	Thu, 13 Sep 2007 18:20:45 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Robin Holt <holt@....com>
cc:	Chuck Ebbert <cebbert@...hat.com>,
	Mikael Pettersson <mikpe@...uu.se>,
	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org
Subject: Re: Possible hang inside interrupt handler on sata_promise.

On Thu, 13 Sep 2007, Robin Holt wrote:

> Is there any way on typical motherboards to send an NMI?  On Altix boxes,
> we can use the system controller to send an NMI.  I have found some
> motherboards appear to have an NMI line.  Is there anything like that
> on i386?  Maybe I am missing the issue entirely.  Does deadlock inside
> an IRQ handler seem plausible?

 There are various ways possible to send an NMI on a typical i386 box of 
these days; the easiest is probably the NMI watchdog -- see the 
"nmi_watchdog" kernel option.

  Maciej
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/