I have tested using the upstream kernel, linux-
image-3.4.0-030400-generic.
With a USB mouse plugged into either the USB 2.0 port or the USB / eSATA
port, it boots normally.
With a USB mouse plugged into either of the USB 3.0 ports, the boot
stalls exactly as described in the above bug report, except that you get
the following error message on the screen:
[2.293920] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed
[2.293948] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/978891
Title:
ubuntu 12.04 doesn't boot when usb device plugged in (except usb
mouse)
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