11.1-RELEASE kernel panics while importing ZFS pool

[Erwan Legrand]

On Sat, Sep 23, 2017 at 7:59 PM, Adam Vande More <amvandemore at gmail.com> wrote:
> On Sat, Sep 23, 2017 at 5:43 AM, Erwan Legrand <freebsd at erwanlegrand.com>
> wrote:
>> I have made an attempt at upgrading from FreeBSD 11.0-RELEASE to
>> 11.1-RELEASE. Unfortunately, the 11.1-RELEASE kernel panics with the
>> following error:
>>
>> panic: Solaris(panic): blkptr at 0xfffffe00033e5f80 has invalid CHECKSUM 0
>>
>> The backtrace is as follows:
>>
>> kbd_backtrace+0x67
>> vpanic+0x186
>> panic+0x43
>> vcmn_err+0xc2
>> zfs_panic_recover+0x5a
>> zfs_blkptr_verify+0x8b
>> zio_read+0x2c
>> spa_load_verify_cb+0x14a
>> traverse_visitbp+0x1f8
>> traverse_visitbp+0x400
>> traverse_visitbp+0x400
>> traverse_visitbp+0x400
>> traverse_visitbp+0x400
>> traverse_dnode+0xc7
>> traverse_visitbp+0x753
>> traverse_impl+0x22b
>> traverse_pool+0x16d
>> spa_load+0x1bce
>>
>> The root file system is part of this ZFS pool, which means I can't
>> even boot my system. Attempting to import the pool from the shell
>> prompt after booting from 11.1-RELEASE installation media also results
>> in a kernel panic.
>>
>> I have searched bugs.freebsd.org, but none of the currently registered
>> issues appear to match. (Or so it seems to me.)
>>
>> The 11.0-RELEASE kernel boots from this ZFS pool without trouble.
>> Thus, I have reverted to 11.0 for now.
>>
>> Obviously, I'd like to upgrade at some point.
>>
>> Any suggestion is welcome.
>
>
> Did you try a scrub on 11.0 first?

I did try to run a scrub. It does not find any error and it does not
make any difference in the end.

I forgot to say that this is an AMD64 kernel.