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[Qemu-devel] Fixing STOP A5 on qemu

From: Michael Brown
Subject: [Qemu-devel] Fixing STOP A5 on qemu
Date: Sun, 2 Mar 2008 16:22:39 +0000 (GMT)


I was hitting the STOP 0x000000A5 error when attempting to boot Vista or 
similar (Server 2008, WinPE) on current qemu CVS.  Googling suggested that 
this was a problem with the qemu BIOS not supporting ACPI 2.0.

Replacing pc-bios/bios.bin with the bios/BIOS-bochs-latest from current 
bochs CVS fixed the problem, and I am now able to boot these operating 
systems.  This isn't a perfect solution, since the bochs BIOS is built 
without #define BX_QEMU.

It looks as though the BIOS problem has been fixed upstream; could someone 
who knows what they're doing rebuild pc-bios/bios.bin from the latest 
bochs CVS and check it in to qemu CVS?



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