Bug#1006477: Broken firmware

From	Chris Bainbridge <chris.bainbridge@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1006477: Broken firmware
Date	2023-10-22 21:30 +0200
Message-ID	<HrMj7-74T-3@gated-at.bofh.it> (permalink)
References	<DUVMJ-4nMV-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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> 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 default. The updated VL805 firmware
apparently fixes the bug, it can be installed using the VIA Windows
tool (this did not work for me), or you can just turn off IOMMU.

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Bug#1006477: Broken firmware Chris Bainbridge <chris.bainbridge@gmail.com> - 2023-10-22 21:30 +0200

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