Crash while sending ZFS file system

Steven Hartland killing at multiplay.co.uk
Wed Aug 7 15:43:37 UTC 2013


----- Original Message ----- 
From: "Willem Jan Withagen" <wjw at digiware.nl>
To: <fs at freebsd.org>
Sent: Wednesday, August 07, 2013 4:07 PM
Subject: Crash while sending ZFS file system


> Hi,
> 
> I've got this relatively "old" (somewhere from around 8.0) ZFS filesytem 
> that I'm trying to send to a new server.
> Given the ae, it could be very well that these is something off on the pool.
> 
> But it core-dumps on:
> zfs send -v -R zfsraid at box | mbuffer -4 -m 100M -O box:5555
> ........
> send from @ to zfsraid/ezjail/nameserver at box estimated size is 245M
> send from @ to zfsraid/ezjail/newjail at box estimated size is 1.30M
> send from @ to zfsraid/obj at box estimated size is 4.80G
> send from @ to zfsraid/sonycam at box estimated size is 5.22M
> Assertion failed: (progress), file 
> /usr/srcs/src9/src/cddl/lib/libzfs/../../../cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c, 
> line 1316.
> 
> The FreeBSD version is:
> FreeBSD zfs.digiware.nl 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #242 r253371
> 
> Now I can send some of the snapshots that are mounted on home.
> Just not the whole set of snapshots.
> 
> It bombs out even still during the listing of all snapshots to send.
> If I look at the code it asserts that progress needs to be made.
> If this is not the case the assert is activated.
> 
> Any suggestions as to how to fix/debug this?
> It generates a coredump

Whats the output of and the full output from the send:
zfs list -t snapshot

    Regards
    Steve

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