Date: Fri, 29 Apr 2005 19:18:06 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Brian Candler <B.Candler@pobox.com> Cc: freebsd-current@freebsd.org Subject: Re: how to set dumpdev Message-ID: <20050429190711.P85282@carver.gumbysoft.com> In-Reply-To: <20050428102936.GA89935@uk.tiscali.com> References: <E1DR4FP-0003oy-Rv@cs1.cs.huji.ac.il> <20050428053528.G59099@lexi.siliconlandmark.com> <20050428102936.GA89935@uk.tiscali.com>
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On Thu, 28 Apr 2005, Brian Candler wrote: > On Thu, Apr 28, 2005 at 05:37:16AM -0400, Andre Guibert de Bruet wrote: > > > i can't use dumpon, since the kernel is panicking on boot, so > > >tried in loader.conf: > > > dumpdev="/dev/ar0s1b" > > >but getting: > > >db> call doadump > > >Cannot dump. No dump device defined. > > >0x25 > > > > > >i need this is for current 6.0 > > >thanks, > > > danny > > > > > > > That directive, along with dumpdir, would be set in /etc/rc.conf. > > According to `man dumpon` (on a 5-STABLE system): > > Since dumpon cannot be used during kernel initialization, the dumpdev > variable of loader(8) must be used to enable dumps for system panics > which occur during kernel initialization. > > But I don't find 'dumpdev' referenced anywhere under /usr/src/sys/boot/. Is > the documentation wrong? It wouldn't be there, but it alos loks like that tunable has gone away when GEOM took over definign the dump device. Now it needs a struct to specify the target, and you wouldn't be able to set it until way late in the boot anyway (when GEOM attaches the disks). -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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