Date: Mon, 19 Sep 2011 17:07:26 +0300 From: =?ISO-8859-15?Q?Camillo_S=E4rs?= <ged@iki.fi> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-gnats-submit@freebsd.org, freebsd-amd64@freebsd.org Subject: Re: amd64/160801: zfsboot on 8.2-RELEASE fails to boot from root-on-zfs in MBR slice Message-ID: <4E774C9E.5070106@iki.fi> In-Reply-To: <201109190802.59988.jhb@freebsd.org> References: <201109181301.p8ID1BdX023885@red.freebsd.org> <201109190802.59988.jhb@freebsd.org>
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Hi, On 2011-09-19 15:02, John Baldwin wrote: >> Install zfsboot from 9.0-BETA2, where the problem is fixed. > > Can you test 8.2-stable? The various fixes made to zfsboot in 9 were merged > to 8 after 8.2-release. Unfortunately fixing this issue by installing zfsboot from 9.0-BETA2 was a surprising amount of work, because of an incompatibility between the 9.0 USB installer GPT and the BIOS on this system. It took quite a while to recognize the root cause for that one. I simply cannot boot the system in question with the GPT pmbr used on the memstick of 9.0. The BIOS locks completely. I am very reluctant to risk breaking my currently running system, the previous boot failure caused almost two weeks of downtime. Does the 8.2-stable memstick image still use MBR? If so, I could conceivably try to copy the 9.0 zfsboot version to the 8.2-stable memstick and test both. Regards, Camillo
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