Server with 3TB Crashing at boot

Steven Hartland killing at multiplay.co.uk
Sat Mar 14 12:11:02 UTC 2015



On 14/03/2015 12:04, Steven Hartland wrote:
> On 14/03/2015 11:57, Konstantin Belousov wrote:
>> On Sat, Mar 14, 2015 at 11:43:49AM +0000, Steven Hartland wrote:
>>> Thats failing in bus_dmamem_alloc so as a guess I'd say there's no 
>>> space
>>> below the 4GB boundary for the allocation of size qsize.
>> If this is indeed the case, laoder tunable hw.dmar.enable=1 could help.
>> I assume that machine of this class does have VT-d hardware, you might
>> need to enable it in BIOS.
> I don't see that sysctl on my 10.1 boxes, is that something only in 
> stable / current?
Ignore, looks like its "only" a tunable so not exposed via sysctl

Roll on 11 so we don't have that problem any more.

     Regards
     Steve


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