linux-kernel - Re: [PATCH] softdog - panic instead of reboot, kernel 2.6.22.9

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20071010131543.7da15e67@the-village.bc.nu>
Date:	Wed, 10 Oct 2007 13:15:43 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"sugaken.r3@...il.com" <sugaken.r3@...il.com>
Cc:	wim@...ana.be, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] softdog - panic instead of reboot, kernel 2.6.22.9

> analysis.  Provided that timer interrupts are not blocked, this patch 
> might enable them to get a crash dump in such a situation by activating 
> softdog.

You want the NMI based anti lockup stuff for that. If the box locks up
then generally softdog will fail. The NMI based debug
(CONFIG_DETECT_SOFTLOCKUP) is the option you want.

-
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/