Messages in this thread | | | Date | Sun, 18 Aug 2002 13:07:08 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: cerberus errors on 2.4.19 (ide dma related) |
| |
Ed,
MEMORY errors explian please.
If you mean data corruption please use those words, they are screaming red flags for attention.
On 18 Aug 2002, Ed Sweetman wrote:
> Ok, devfs was removed and I got the old way working again. cerberus > reports MEMORY errors when dma is enabled on the promise controller less > than 30 seconds after the test has begun. Just like every other time > i've had dma enabled on the promise controller. > > So it's not preempt. It's not devfs. So now we have to face the fact > that it's either a hardware conflict that linux cannot handle or a > device driver bug. > > Any other suggestions? > > Now that i'm down to vanilla 2.4.19 perhaps it's time for some real > tests? > > > On Sun, 2002-08-18 at 05:16, Ed Sweetman wrote: > > On Sun, 2002-08-18 at 05:10, Alexander Viro wrote: > > > > > > > > > On 18 Aug 2002, Ed Sweetman wrote: > > > > > > > (overview written in hindsight of writing email) > > > > I ran all these tests on ide/host2/bus0/target0/lun0/part1 > > > > > > Don't be silly - if you want to test anything, devfs is the last thing > > > you want on the system. > > > > > > > > > > > > OK, i can remove devfs, but I dont really see how that would make dma > > transfers (memory) become corrupted and pio mode transfers (memory) to > > not. > > > > I'm going to remove it, but i dont see how it's going to affect what's > > going on. > > >
Andre Hedrick LAD Storage Consulting Group
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |