Date: Fri, 26 Feb 2010 21:41:22 +0300 From: Andrey V. Elsukov <bu7cher@yandex.ru> To: Paul Wootton <paul@fletchermoorland.co.uk> Cc: marcel@freebsd.org, pjd@freebsd.org, current@freebsd.org Subject: Re: Can not boot after r203503. Unable to open /dev/ada(1/2)p3 for writing Message-ID: <18511267209682@webmail126.yandex.ru> In-Reply-To: <4B87DEEA.5070808@fletchermoorland.co.uk> References: <4B87DEEA.5070808@fletchermoorland.co.uk>
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26.02.10, 14:47, "Paul Wootton" <paul@fletchermoorland.co.uk>: > I have an unusual problem. Last night I tried updating from my old-ish > kernel/world to an up to date version. I had been using 202500-ish > successfully. I can build and install the newer world and kernel fine, > but when I reboot I get the following > > Trying to mount root from zfs:raid250/root > ZFS WARNING: Unable to open /dev/ada1p3 for writing (error=1). ZFS > WARNING: Unable to open /dev/ada2p3 for writing (error=1). ROOT MOUNT ERROR. > If you have invalid mount options, reboot, and first try the following > from the loader prompt: > set vfs.root.mountfrom.options=rw > and then remove the invalid options from /etc/fstab > loader variables: > vfs.root.mountfrom=zfs:raid250/root > vfs.root.mountfrom.options=rw I had the same problem recently. I have ZFS-only 9.0-CURRENT-amd64. First time when i had this problem was after I added linux_load="YES" in /boot/loader.conf. :-) It was only change i made. So, i rebooted again and unload linux from boot prompt. And system boots fine. I tried again with linux.ko and it failed to boot. After that i synced source tree and rebuild kernel. And after that it failed to boot with and without linux. :-) So, after that i booted from another disk and only thing that i did was: # zpool import -R /mnt z # gpart modify -l ZFS -i 3 ad4 (previous label was "zfs") After that i can boot with and without linux.ko again. And I can't reproduce this bug again. -- WBR, Andrey V. Elsukov
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