Date: Sun, 16 Dec 2018 17:01:34 -0700 From: Warner Losh <imp@bsdimp.com> To: Kaya Saman <kayasaman@gmail.com> Cc: FreeBSD FS <freebsd-fs@freebsd.org> Subject: Re: Upgrade to 12-Release system not booting kernel panic Message-ID: <CANCZdfqVYEpuPjvF3UvoOkAN09U8f%2BbB75dd9xqt__FJ_7zYHg@mail.gmail.com> In-Reply-To: <4a9526c1-2c46-eebe-b92d-d10e522d8941@gmail.com> References: <4a9526c1-2c46-eebe-b92d-d10e522d8941@gmail.com>
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Did you get a FreeBSD copyright notice before the crash? Warner On Sun, Dec 16, 2018, 8:45 AM Kaya Saman <kayasaman@gmail.com wrote: > Hi, > > > I've been digging around a little on this one and it seems that there is > some ZFS wierdness going on. > > > My original install was an 11.2-RELEASE fresh install and upon an > upgrade to 12-RELEASE the system is having issues booting. > > > I have a ZFS root pool called zroot; by default this mounts at > zroot/ROOT/default and a few other non-root / bootable ZFS pools. > > > The system is a SuperMicro SC216 chassis with LSI non-RAID HBA. > > > I have the boot disks ada0 and ada1 plugged into the rear of the chassis > and directly into the systemboard which is also a SuperMicro. These > drives are both Samsung SSD's. > > The 22 drive slots at the front of the chassis are occupied by the other > various data pools. > > > So here is some strangeness... if I remove all 22 drives from the front, > the system boots fine but straight after boot goes into kernel panic > mode and reboots before I can even look at the error or get to the login > prompt. > > > With the non-root pools installed at the BTX loader after scanning > through all the bios drives I get a bunch of: > > read 264 from ... to 0x...., error 0x10 errors > > then: > > ZFS: i/o error - all block copies unavailable > > ZFS: can't read MOS of pool <non-root-pool-names> > > > after this the system simply hangs? > > > I have tried looking around but everything mentioning the MOS error is > talking about the root pool, a particularly good reference is here: > > http://freebsd.1045724.x6.nabble.com/ZFS-i-o-error-in-recent-12-0-td6245865.html > > > In fact I did try to boot with a USB stick and go into Live mode then > import all the pools on the system. This works without any issue! The > pools are fine the data is there everything looks normal. > > - I also rebuilt the zpool.cache according to the link just incase there > was some kind of corruption there, however upon reboot I still get the > same issue?? > > > Looking at a bug report with a kernel panic: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220923#c17 > > > I have attempted to add: > > > kern.cam.scsi_delay="50000" > > kern.cam.boot_delay="50000" > > > into the /boot/loader.conf file but unfortunately the issue still > continues :-( > > > I wonder if there is a way to tell to tell the system to only look at > certain drives for booting?? > > > There is this line in my loader.conf: > > vfs.root.mountfrom="zfs:zroot" > > > It maybe the wrong hunch I have but it seems like the system is looking > for "zroot" on all pools instead of the actual root pool hence the above > errors?? > > > Would anyone be able to suggest anything or have any ideas about how to > get the system back online and booting?? > > > Thanks. > > > Kaya > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
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