[ kvm-Bugs-2905358 ] Doesn't support MS-DOS compatibility FPU mode

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Bugs item #2905358, was opened at 2009-11-28 16:37
Message generated for change (Tracker Item Submitted) made by youpi_486
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2905358&group_id=180599

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Samuel Thibault (youpi_486)
Assigned to: Nobody/Anonymous (nobody)
Summary: Doesn't support MS-DOS compatibility FPU mode

Initial Comment:
Hello,

Apparently, KVM always enables CR0_NE, i.e. FPU errors are always
reported via the EXCP10_COPR exception rather than via the FPU
interrupt. This breaks operating systems which assume MS-DOS
compatability mode, i.e. exceptions are always reported via the FPU
interrupt (like GNU Mach).

Samuel


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