Date: Sat, 9 Feb 2019 16:30:57 -0600 From: Karl Denninger <karl@denninger.net> To: freebsd-stable@freebsd.org Subject: Serious ZFS Bootcode Problem (GPT NON-UEFI) Message-ID: <911d001f-9e33-0521-51fe-f7d1383dfc62@denninger.net>
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This is a cryptographically signed message in MIME format. --------------ms030102080404010107020608 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable FreeBSD 12.0-STABLE r343809 After upgrading to this (without material incident) zfs was telling me that the pools could be upgraded (this machine was running 11.1, then 11.= 2.) I did so, /and put the new bootcode on with gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i .... da... /on both of the candidate (mirrored ZFS boot disk) devices, in the correct partition. Then I rebooted to test and..... /could not find the zsboot pool containing the kernel./ I booted the rescue image off my SD and checked -- the copy of gptzfsboot that I put on the boot partition is exactly identical to the one on the rescue image SD. Then, to be /absolutely sure /I wasn't going insane I grabbed the mini-memstick img for 12-RELEASE and tried THAT copy of gptzfsboot. /Nope; that won't boot either!/ Fortunately I had a spare drive slot so I stuck in a piece of spinning rust, gpart'ed THAT with an old-style UFS boot filesystem, wrote bootcode on that, mounted the ZFS "zsboot" filesystem and copied it over.=C2=A0 That boots fine (of course) and mounts the root pool, and off= it goes. I'm going to blow away the entire /usr/obj tree and rebuild the kernel to see if that gets me anything that's more-sane, but right now this looks pretty bad. BTW just to be absolutely sure I blew away the entire /usr/obj directory and rebuilt -- same size and checksum on the binary that I have installed, so..... Not sure what's going on here -- did something get moved? --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms030102080404010107020608 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC DdgwggagMIIEiKADAgECAhMA5EiKghDOXrvfxYxjITXYDdhIMA0GCSqGSIb3DQEBCwUAMIGL MQswCQYDVQQGEwJVUzEQMA4GA1UECAwHRmxvcmlkYTESMBAGA1UEBwwJTmljZXZpbGxlMRkw FwYDVQQKDBBDdWRhIFN5c3RlbXMgTExDMRgwFgYDVQQLDA9DdWRhIFN5c3RlbXMgQ0ExITAf BgNVBAMMGEN1ZGEgU3lzdGVtcyBMTEMgMjAxNyBDQTAeFw0xNzA4MTcxNjQyMTdaFw0yNzA4 MTUxNjQyMTdaMHsxCzAJBgNVBAYTAlVTMRAwDgYDVQQIDAdGbG9yaWRhMRkwFwYDVQQKDBBD dWRhIFN5c3RlbXMgTExDMRgwFgYDVQQLDA9DdWRhIFN5c3RlbXMgQ0ExJTAjBgNVBAMMHEN1 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