Re: ZFS PANIC: HELP.

On 02/27/2022 3:58 pm, Mark Johnston wrote:
> On Sun, Feb 27, 2022 at 01:16:44PM -0600, Larry Rosenman wrote:
>> On 02/26/2022 11:08 am, Larry Rosenman wrote:
>> > On 02/26/2022 10:57 am, Larry Rosenman wrote:
>> >> On 02/26/2022 10:37 am, Juraj Lutter wrote:
>> >>>> On 26 Feb 2022, at 03:03, Larry Rosenman <ler@lerctr.org> wrote:
>> >>>> I'm running this script:
>> >>>> #!/bin/sh
>> >>>> for i in $(zfs list -H | awk '{print $1}')
>> >>>> do
>> >>>>   FS=$1
>> >>>>   FN=$(echo ${FS} | sed -e s@/@_@g)
>> >>>>   sudo zfs send -vecLep ${FS}@REPAIR_SNAP | ssh
>> >>>> ler@freenas.lerctr.org cat - \> $FN
>> >>>> done
>> >>>>
>> >>>>
>> >>>>
>> >>> I’d put, like:
>> >>>
>> >>> echo ${FS}
>> >>>
>> >>> before “sudo zfs send”, to get at least a bit of a clue on where it
>> >>> can get to.
>> >>>
>> >>> otis
>> >>>
>> >>>
>> >>> —
>> >>> Juraj Lutter
>> >>> otis@FreeBSD.org
>> >> I just looked at the destination to see where it died (it did!) and I
>> >> bectl destroy'd the
>> >> BE that crashed it, and am running a new scrub -- we'll see whether
>> >> that was sufficient.
>> >>
>> >> Thanks, all!
>> > Well, it was NOT sufficient.... More zfs export fun to come :(
>> 
>> I was able to export the rest of the datasets, and re-install 
>> 14-CURRENT
>> from a recent snapshot, and restore the datasets I care about.
>> 
>> I'm now seeing:
>> mfi0: IOCTL 0x40086481 not handled
>> mfi0: IOCTL 0x40086481 not handled
>> mfi0: IOCTL 0x40086481 not handled
>> mfi0: IOCTL 0x40086481 not handled
>> pid 48 (zpool), jid 0, uid 0: exited on signal 6
>> mfi0: IOCTL 0x40086481 not handled
>> mfi0: IOCTL 0x40086481 not handled
>> mfi0: IOCTL 0x40086481 not handled
>> mfi0: IOCTL 0x40086481 not handled
>> pid 54 (zpool), jid 0, uid 0: exited on signal 6
>> 
>> On boot.  Ideas?
> 
> That ioctl is DIOCGMEDIASIZE, i.e., something is asking /dev/mfi0, the
> controller device node, about the size of a disk.  Presumably this is
> the result of some kind of misconfiguration somewhere, and /dev/mfid0
> was meant instead.


per advice from markj@ I deleted the /{etc,boot}/zfs/zpool.cache files, 
and this issue went
away.  Stale cache files which are no longer needed.

-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler@lerctr.org
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106