I think the case is closed.
Now that I know it's not USB, but wireless driver, I looked through
the new k3.19.5's changelog and saw this:
commit b943e69d33fac1e5f6db57868e061096b0aae67a
Author: Larry Finger
Date: Sat Mar 21 15:16:05 2015 -0500
rtlwifi: Fix IOMMU mapping leak in AP mode
Hi Linus,
The following changes since commit e42391cd048809d903291d07f86ed3934ce138e9:
Linux 4.0-rc6 (2015-03-29 15:26:31 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
tags/iommu-updates-v4.1
for you to fetch changes up to 7f65
Hi Joerg,
I sent to you (cc iommu mailing list) an important fix on Apr-16 for a bug in
amd_iommu_v2.c (from kernel 4.0). See:
http://lists.linuxfoundation.org/pipermail/iommu/2015-April/012757.html
Could you please add that to the pull request ?
Its creating problems when running HSA applicat