Do you have any core dumps in /var/crash/volatile? If so, I would really like 
to get a copy.

-- 
Brian Bennett
Systems Engineer, Cloud Operations
Joyent, Inc. | www.joyent.com

> On Jul 1, 2015, at 8:54 PM, Ian Collins <[email protected]> wrote:
> 
> Ian Collins wrote:
>> I've just had a SmartOS system (20150423T155306Z) panic a reboot a
>> couple of times, the cause looks to be
>> 
>> assertion failed: sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zfsvfs), &rdev,
>> sizeof (rdev)) == 0, file: ../../common/fs/zfs/zfs_znode.c, line: 700
>> 
>> which I'm guessing from the date and history to be in zfs_mknode inside
>> a macro SA_ADD_BULK_ATTR.
>> 
>> The pool is reporting
>> 
>> status: One or more devices has experienced an error resulting in data
>>          corruption.  Applications may be affected.
>> 
>> but none of the drives are showing any errors, so I'm guessing this was
>> an error during a write?
>> 
>> Has anyone seen these conditions before?
> 
> I've copied this to the SmartOS list now we have inadvertently found a way to 
> reproduce the panic...
> 
> The volume with the error is one drive of a Linux KVM.  If an fsck is kicked 
> off in the guest VM, the host panics.
> 
> --
> Ian.
> 

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