Report: ZFS deadlock in 9-STABLE

[Steven Hartland]

Any zvols?

----- Original Message ----- 
From: "Travis Mikalson" <bofh at terranova.net>
To: <freebsd-fs at freebsd.org>
Sent: Wednesday, July 03, 2013 5:40 PM
Subject: Report: ZFS deadlock in 9-STABLE


> Hello,
> 
> To cut to the chase, I have a procstat -kk -a captured during a livelock
> for you here:
> http://tog.net/freebsd/zfsdeadlock-storage1-20130703
> 
> The other relevant configurations I could think of to show you are
> available within that http://tog.net/freebsd/ directory.
> 
> If you want any additional information that I haven't given here please
> let me know!
> 
> This is a FreeBSD 9-STABLE AMD64 system currently at:
> r250777: Sat May 18 17:41:39 EDT 2013
> 
> I didn't see too many relevant ZFS-related fixes after that date so am
> waiting for another round of interesting commits to update again.
> 
> Unfortunately, this system has been livelocking on average about once
> every 7-14 days. Its lot in life is a ZFS storage server serving NFS and
> istgt traffic.
> 
> It has 32GB of RAM and is an 8-core 2.6GHz Opteron 6212.
> The zpool looks like this, it has eight 1TB SAS drives and two SSDs
> being used for log and cache.
> 
>  pool: storage1
> state: ONLINE
> status: The pool is formatted using a legacy on-disk format.  The pool can
>        still be used, but some features are unavailable.
> action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
>        pool will no longer be accessible on software that does not
> support feature
>        flags.
>  scan: scrub repaired 0 in 6h4m with 0 errors on Sun Jan  6 06:39:38 2013
> config:
> 
>        NAME        STATE     READ WRITE CKSUM
>        storage1    ONLINE       0     0     0
>          raidz1-0  ONLINE       0     0     0
>            da0     ONLINE       0     0     0
>            da2     ONLINE       0     0     0
>            da4     ONLINE       0     0     0
>            da6     ONLINE       0     0     0
>          raidz1-1  ONLINE       0     0     0
>            da1     ONLINE       0     0     0
>            da3     ONLINE       0     0     0
>            da5     ONLINE       0     0     0
>            da7     ONLINE       0     0     0
>        logs
>          mirror-2  ONLINE       0     0     0
>            da8p2   ONLINE       0     0     0
>            da9p2   ONLINE       0     0     0
>        cache
>          da8p3     ONLINE       0     0     0
>          da9p3     ONLINE       0     0     0
> 
> errors: No known data errors
> 
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