oversized DMA transfer attempt

[Zachary Crownover]

This is in a VM.
On May 25, 2014 6:12 PM, "Justin Sherrill" <justin at shiningsilence.com>
wrote:

> With it being on the ATA bus, to a CD/DVD device - my first hunch is that
> the cable is having trouble.  Just a hunch, though, as I haven't seen it
> before.
>
> Next guess would be some sort of odd configuration in BIOS for how the
> optical drive is connected?  Unplug it and see if the problem goes away.
>
>
> On Sun, May 25, 2014 at 6:26 AM, Zachary Crownover <
> zachary.crownover at gmail.com> wrote:
>
>>
>> I'm getting this error 609 times / second on 3.6.2 RELEASE.
>>
>> ata1: FAILURE - oversized DMA transfer attempt 69632 > 65536
>> acd0: setting up DMA failed
>>
>>
>>
>> > sudo grep DMA /var/log/messages | grep 03:00:30 | grep ata1 | wc -l
>>      609
>>
>>
>> The error is contant and causing the HAMMER daemon to peg the CPU
>> intermittently. Any ideas on what might be going on?
>>
>> --
>> Sincerely,
>>
>> Zachary Crownover
>>
>
>
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