Date: Mon, 17 May 2010 09:53:52 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Pawel Tyll <ptyll@nitronet.pl> Cc: freebsd-fs@freebsd.org, Andriy Gapon <avg@icyb.net.ua> Subject: Re: Root mount from ZFS takes forever...literally. Message-ID: <20100517165352.GA12092@icarus.home.lan> In-Reply-To: <1554873904.20100517184702@nitronet.pl> References: <598841171.20100515193024@nitronet.pl> <4BF164DD.4060502@icyb.net.ua> <1554873904.20100517184702@nitronet.pl>
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On Mon, May 17, 2010 at 06:47:02PM +0200, Pawel Tyll wrote: > >> Boot process "hangs" on Trying to mount root from zfs:tank/root - I > >> can import the pool from alternate boot source (PXE), and access files > >> fine, but I can't finish booting the system from ZFS. > > What messages do you have on screen when this happens? > > Can you upload a screenshot somewhere and post a link? > Just mounting root, and nothing happens. System is responsive, > attaching/detaching USB keyboard generates messages, and hitting > alt+ctrl+del correctly reboots the system. > > After messing around with fstab (added / entry, bit redundant with > loader.conf vfs.root.mountfrom entry) it started to working again, but > I can't repeat it now by removing this. Too bad I didn't take a > snapshot before fixing :( > > Strange. :) Are you *absolutely sure* the problem has to do with ZFS? I see you mention PXE booting...... This sounds much like an environment where serial console is set up incorrectly; kernel messages will be seen up to the final "Mounting root..." message, but everything past that goes to VGA console (or serial console, depends on the configuration mishap). -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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