Re: 2.1.111: IDE DMA disabled?

Fri, 31 Jul 1998 09:50:53 +0100 (MET)

Doug Ledford <> qwrote :

>Chris Wedgwood wrote:
>> On Thu, Jul 30, 1998 at 07:04:05PM +0200, Gerard Roudier wrote:
>> > Donnot know about the cheesy Fireballs, but the Atlases used to
>> > return QUEUE FULL even sometimes with 0 command disconnected when
>> > they are flooded with short IOs and write caching is enabled.
>> The fireball I have doesn't support tagged queueing.
>Older Fireballs don't support tagged queueing. Newer Fireballs support it,
>but have fixed tagged queue depths (8 for the Stratus and 15 for the
>Tempest). However, the Tempest firmware will corrupt itself and become
>totally useless if you keep 15 commands open for the majority of the time on
>an extended basis. The drive will require a complete power cycle before it
>will come back to life. The Atlas drives also have a fixed maximum queue
>depth of 32 commands, but will return QUEUE_FULL for conditions other than
>QUEUE_FULL if it simply isn't capable of taking another command at the
>time. FWIW, I like the Atlas and Capella drives, the Flakyball drives
>should be burned at a stake though.

Is there a website with information on issues like this ?

Like : product XY sucks , because it has this and this bugs
product XZ is broken , AA doesnt work when BB is true
and so on ?

David Balazic , student
E-mail   :     |     living in  sLOVEnija
home page:
Computer: Amiga 1200 + Quantum LPS-340AT

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to Please read the FAQ at