Robert Hancock wrote:
> Juergen Kreileder wrote:
>> Hi,
>>
>> I get lots of errors like this with 2.6.27-rc1 on my
>> Macbook Pro (3rd generation), 2.6.26 seems to work fine:
>>
>> [ 907.524509] DMA: Out of SW-IOMMU space for 45056 bytes at device 0000:00:1f.2
>> [ 907.524783] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
>> [ 907.524796] ata3.00: cmd 35/00:50:08:91:5c/00:01:0f:00:00/e0 tag 0 dma 172032 out
>> [ 907.524798] res 50/00:00:ff:90:5c/00:00:0f:00:00/ef Emask 0x40 (internal error)
>> [ 907.524805] ata3.00: status: { DRDY }
>> [ 907.646590] ata3.00: configured for UDMA/133
>> [ 907.646624] ata3: EH complete
>>
>>
>> Any suggestions?
>
> You can try increasing the swiotlb size by booting with swiotlb=65536
> (for 128MB) or swiotlb=131072 (for 256MB), and see if that makes the
> problem go away.. It's unclear why you'd be running out of SWIOTLB space
> now, though, if 2.6.26 worked fine..
Still happening, although 256M make it a bit harder to trigger.
Juergen
--
Juergen Kreileder, Blackdown Java-Linux Team
http://blog.blackdown.de/
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