Comment # 27
on bug 108521
from Robert Strube
Thanks for the response. I think it was just a coincidence that the eGPU started working with acpi=off. Taking a closer look at the issue it really does appear to be a BIOS problem that prevents the proper PCI resource allocation to one of the TB PCI bridges. In fact when I took a closer look at the dmesg with acpi=off I still see the resource issues present. I've opened up an official bug report here with the kernel ACPI BIOS team here: https://bugzilla.kernel.org/show_bug.cgi?id=201527 I realize the issue should really be solved by the manufacturer, but perhaps the kernel devs can create a work around and/or have more direct lines of communication with the Dell engineers. Thank you both for your suggestions and comments. Rob
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