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Re: [Qemu-devel] [PATCH v3 00/20] GICv3 emulation

From: Shannon Zhao
Subject: Re: [Qemu-devel] [PATCH v3 00/20] GICv3 emulation
Date: Thu, 23 Jun 2016 09:42:30 +0800
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.4.0

On 2016/6/23 5:45, Ed Maste wrote:
> On 22 June 2016 at 16:53, Peter Maydell <address@hidden> wrote:
>> Yeah, it looks like the same bug is also present in UEFI itself
>> (it's super popular!). Laszlo, Ard, do you have a prebuilt
>> UEFI binary with Ard's fix?
>> Probably you'll find that if UEFI is configuring the GIC interrupt
>> groups FreeBSD will boot even without doing it itself,
I try this with Ard's patch. Looks like UEFI already loader guest kernel
not like berfore. But the FreeBSD kernel still hangs.

FreeBSD/arm64 EFI loader, Revision 1.1
(address@hidden, Sat Jun 11 17:18:43 UTC 2016)
Loading /boot/defaults/loader.conf
/boot/kernel/kernel data=0x704ca8+0x32db74 syms=[0x8+0xda1c0+0x8+0xd6db0]
/boot/entropy size=0x1000

Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...
Using DTB provided by EFI at 0x13ffb9000.
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2016 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-ALPHA3 #0 r301815: Sat Jun 11 17:22:24 UTC 2016

FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on
LLVM 3.8.0)
WARNING: WITNESS option enabled, expect reduced performance.


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