Strange problem with... ZFS? Disk? Controller?

[Mark Felder]

On Thu, 17 Jan 2013 07:22:26 -0600, Alex Povolotsky  
<tarkhil at webmail.sub.ru> wrote:

> On 12/22/12 13:25, Mark Felder wrote:
>> Try running diskinfo -t /dev/...
>>
>> If it says your device is really slow it's probably dying. I'd suspect  
>> it's having trouble seeking.
>>
> It was a break-in. Some dumb php script running with user privileges  
> managed FreeBSD to hang on disk io up to stopping responding to anything  
> besides reset.
>
> Alex

Yikes! Make sure to run freebsd-update IDS to check the base OS's  
checksums and if you're using pkgng you can use "pkg check-s" to look for  
any tampered with files owned by packages.