Grub2 panic when a device is plugged in a USB 3.0 port.

[F@lkor]

Binary package hint: grub2

I've a new Dell XPS 15 laptop, on which I've Windows 7, and also Linux Mint 10 (Julia).
When I power on the laptop, if an external hard drive, or a pendrive, is plugged in a usb 3.0 port, grub starts the count down, but after 2 seconds it stops without any advice, without any signal, nothing of nothing, and the only way to proceed is turn off the computer holding the power button, and then removing the usb drive, for then powering on the pc.
I tried to restore the windows boot loader, and it works fine, so I think that it can be a grub2 bug.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Luigi R. (xluigi84)]

I think it is what is happening to me or it is related to that. I have installed grub2 on the an usb stick 3.0 and grub does not even starts.

I have open also this bug : https://bugs.launchpad.net/ubuntu/+bug/1245147 but now I'm suspecting it is a grub issue.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]