Bug#644174: Workaround "acpi_backlight=vendor" allows system to boot with USB device connected to the USB 3.0 port

To: 644174@bugs.debian.org
Subject: Bug#644174: Workaround "acpi_backlight=vendor" allows system to boot with USB device connected to the USB 3.0 port
From: Wojtek Zabolotny <W.Zabolotny@elka.pw.edu.pl>
Date: Fri, 23 Aug 2013 00:54:32 +0200
Message-id: <[🔎] 521696A8.4040704@elka.pw.edu.pl>
Reply-to: Wojtek Zabolotny <W.Zabolotny@elka.pw.edu.pl>, 644174@bugs.debian.org

Hi,
I've checked old workarounds suggested in https://bugzilla.kernel.org/show_bug.cgi?id=42844
and have found, that the kernel parameter "acpi_backlight=vendor"  given by Lan Brown in https://bugzilla.kernel.org/show_bug.cgi?id=42844#c4 allows my system to boot with different USB devices
connected to the USB 3.0 port, with kernels 3.10.2 and 3.10.7 (probably it may also work for earlier kernels).

-- 

Regards,
Wojtek

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