zfs deadlock

[Steven Hartland]

Known issue you want:
http://svnweb.freebsd.org/changeset/base/258595

    Regards
    Steve

----- Original Message ----- 
From: "Richard Kojedzinszky" <krichy at cflinux.hu>
To: <freebsd-fs at freebsd.org>
Sent: Thursday, December 05, 2013 2:56 PM
Subject: zfs deadlock


> Dear fs devs,
> 
> We have a freenas server, which is basicaly a freebsd. I was trying to 
> look at snapshots using ls .zfs/snapshot/.
> 
> When I issued it, the system entered a deadlock. An NFSD was running, a 
> zfs send was running when I issued the command.
> 
> I attached to command outputs while the system was in a deadlock state. I 
> tried to issue
> # reboot -q
> But that did not restart the system. After a while (5-10 minutes) the 
> system rebooted, I dont know if the deadman caused that.
> 
> Now the system is up and running.
> 
> It is basically a freebsd 9.2 kernel.
> 
> Do someone has a clue?
> 
> Kojedzinszky Richard


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