> So, my conclusion is that there is something specific to the debian kernels
> that is breaking this USB ethernet card.
The IOMMU error is most likely caused by a bug in the VL805 firmware.
It happens with the Debian kernel (and not mainline) as Debian patches
the kernel to enable IOMMU by defau
> Both of those fixes are included in 3.16.7-ckt7-1, the version you
> reported this against. Are you still seeing a similar problem?
So they are. Hmm. I was getting a hang every day or so with
3.16.7-ckt7-1. With latest linux git I am getting zero hangs. There
was also a report in the Launchpad
Package: src:linux
Version: 3.16.7-ckt7-1
Severity: normal
Dear Maintainer,
As documented at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1384342 a
GPU hang will regularly occur on Intel IvyBridge and Haswell GPUs.
This was fixed upstream in patches 48bf5b2 and 2a92d5b which were include
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