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Re: [Xen-devel] Massive problems with 'PCI-DMA: Out of SW-IOMMU space fo
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | Re: [Xen-devel] Massive problems with 'PCI-DMA: Out of SW-IOMMU space for XXX bytes [..]' with 3Ware controller |
| From: | "Randy McAnally" <rsm@xxxxxxxxxxxxx> |
| Date: | Mon, 28 Jan 2008 10:03:05 -0500 |
| Delivery-date: | Mon, 28 Jan 2008 07:03:37 -0800 |
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Markus Schuster wrote: > PCI-DMA: Out of SW-IOMMU space for 40960 bytes at device 0000:03:00.0 > 3w-9xxx: scsi0: ERROR: (0x06:0x001C): Failed to map scatter gather list. > (03:00.0 is the 3Ware Controller) Me too as well...any progress on this issue? I notice that IO performance is notably slower than the stock RHEL kernel; about 1/2 overall write performance. I can trigger the bug using DD or by copying disk images around. All versions of Xen 3.1.x and 3.2.x are affected. -- Randy McAnally Fast Serv Networks, LLC 619-819-8252 x201 619-819-9443 fax _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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