bugGNU GRUB - Bugs: bug #39246, GRUB2 hangs at boot menu with HT...

 
 

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

Submitter:  Robert Hancock <robhancock>
Submitted:  Thu 13 Jun 2013 03:58:11 AM UTC
   
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  Hardware-specific
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release:  other
Release:  Reproducibility:  Every Time
Planned Release:  2.03+

Tue 19 Nov 2013 05:50:47 PM UTC, comment #1: 

Is there timeout string on the screen? Is there any USB device conntected? I'm under impression that BIOS "interprets" one of their input as keys.

 Vladimir Serbinenko <phcoder>
Group administrator
Thu 13 Jun 2013 03:58:11 AM UTC, original submission:  

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

 Robert Hancock <robhancock>

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-03-02 phcoder Item GroupSoftware Error Hardware-specific
        Planned ReleaseNone 2.03+

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