Re: [net] ixgbe: fix panic while dumping packets on Tx hang with IOMMU

From: Jeff Kirsher <redacted>
Date: Thu, 26 Jul 2012 04:21:24 -0700

From: Emil Tantilov <redacted>

This patch resolves a "BUG: unable to handle kernel paging request at ..."
oops while dumping packet data. The issue occurs with IOMMU enabled due to
the address provided by phys_to_virt().

This patch makes use of skb->data on Tx and the virtual address of the pages
allocated for Rx.

Signed-off-by: Emil Tantilov <redacted>
Tested-by: Phil Schmitt <redacted>
Signed-off-by: Jeff Kirsher <redacted>

Applied.