zfs deadlock

krichy at cflinux.hu krichy at cflinux.hu
Thu Dec 5 16:58:16 UTC 2013


Dear fs devs,

I've found that in stable/10 there is a commit 
cb9e583d86990eba0d5af8913cdbbb20da5b2c9e which seems to fix a deadlock 
for sending mounted snapshots.
Maybe I've hit that bug. Is that patch suitable for 9.2 releng?

Will it enter 9/stable?

Thanks in advance,
2013-12-05 15:56 időpontban Richard Kojedzinszky ezt írta:
> 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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