ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611

[Mike Jakubik]

Ariff Abdullah said:

> On Thu, 16 Sep 2004 13:13:42 -0700
> One more thing to consider, the default scheduler. I found that those
> errors occured with SCHED_4BSD (PREEMPTION or NOT), while SCHED_ULE
> (of course without PREEMPTION, or *else*), nothing such that.
>
> Note that this is *my* case, your mileage may vary.

This sounds about right. I noticed this problem on my system just after
the scheduler change.