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Date:      Fri, 8 May 2020 09:13:44 -0400
From:      Steve Wills <swills@FreeBSD.org>
To:        Joseph Mingrone <jrm@freebsd.org>, questions@freebsd.org
Cc:        kevans@freebsd.org, tsoome@freebsd.org, Allan Jude <allanjude@freebsd.org>
Subject:   Re: ZFS system can no longer boot - zfs_alloc()/zfs_free() mismatch
Message-ID:  <ac07ac9b-ce3a-ab05-a95f-b1e4c4fd88d2@FreeBSD.org>
In-Reply-To: <CANRUcdAtNWdMMoSYmZ27NEFgPQTF7-KFdBXBTy6JmuDxG8edUw@mail.gmail.com>
References:  <CANRUcdAtNWdMMoSYmZ27NEFgPQTF7-KFdBXBTy6JmuDxG8edUw@mail.gmail.com>

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I didn't solve it, I avoided it by renaming the kernel directory and 
reinstalling the kernel, forcing the bits to be in a different physical 
location on disk... The only theory I had at the time was that the bits 
were beyond some arbitrary 4G limit or something, but that was just a 
wild idea. Good luck, that's super frustrating.

Steve

On 5/7/20 7:59 PM, Joseph Mingrone wrote:
> Hello everyone,
> 
> As it says in the subject line, my system stopped booting for some
> unknown reason.  It might have been after upgrading from 12.1-p2 to
> -p4, but I'm unsure.  It sounds similar to this issue:
> https://twitter.com/alelab_/status/1222437570501644291
> 
> Allan and I tried debugging for a few hours today, but without
> success.  We tried replacing the boot code and the loaders, but the
> result was the same.  We also tried booting from a usb thumb drive,
> then `set currdev=zfs:zroot/ROOT/default:` and `boot`, but the same
> error is shown.
> 
> Steve and Kyle, did you ever solve this problem?
> 
> Thanks,
> 
> Joe
> 



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