[bug #39246] GRUB2 hangs at boot menu with HT and USB emulation enabled

[Vladimir Serbinenko]

Update of bug #39246 (project grub):

  Item Group:  Software Error => Hardware-specific  
 Planned Release:None => 2.03+  


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[bug #39246] GRUB2 hangs at boot menu with HT and USB emulation enabled

[Robert Hancock]

URL:
  http://savannah.gnu.org/bugs/?39246

 Summary: GRUB2 hangs at boot menu with HT and USB emulation
enabled
 Project: GNU GRUB
Submitted by: robhancock
Submitted on: Thu 13 Jun 2013 03:58:11 AM GMT
Category: Booting
Severity: Major
Priority: 5 - Normal
  Item Group: Software Error
  Status: None
 Privacy: Public
 Assigned to: None
 Originator Name: 
Originator Email: 
 Open/Closed: Open
 Discussion Lock: Any
 Release: 
 Release: other
 Reproducibility: Every Time
 Planned Release: None

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Details:

On a Dell Dimension 4600 with the (latest) A12 BIOS, with HyperThreading
enabled in the BIOS and the USB Emulation option enabled (by default), grub2
in Fedora 18 (grub2-2.00-15.fc18.i686) reaches the boot selection menu but
then freezes up and won't respond to any keys. Disabling either HT or the USB
Emulation option results in grub2 working normally. Presumably USB Emulation
is needed to use a USB keyboard in the boot menu, however.

Also see Fedora bug report here:
https://bugzilla.redhat.com/show_bug.cgi?id=854098




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