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SubjectRe: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync)
On 1/28/2010 5:56 PM, Jarek Poplawski wrote:
> On Thu, Jan 28, 2010 at 05:43:34PM -0500, Michael Breuer wrote:
>
>> This is with the pci_unmap_len patch as well as the dma-debug patch.
>> I'm not getting any warnings - but dma-debug num-free-entries drops
>> until zero and then debugging is disabled. I started with 8,000,000
>> about three hours ago - without load I'm already down to less than
>> half that. Again - only looking at sky2. Looks like the dma-debug
>> hash table is reducing one entry for every packet, but never
>> increasing the num_entries (no unmap perhaps).
>>
> OK, then, until there is some new fix you better turn it off.
>
> Jarek P.
>
:( any further suggestions for helping track this down?


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