From: "Joerg Roedel" <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
To: "Avi Kivity" <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: [PATCH] fix 32 bit guest freeze on second reboot
Date: Mon, 5 Feb 2007 13:04:12 +0100 [thread overview]
Message-ID: <20070205120412.GG8804@amd.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 432 bytes --]
From: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
This patch fixes a bug detected with 32 bit Linux guests. There the
second try to reboot hangs the guest machine. It seems to be necessary
to fix all dataseg registers for 32 bit guests. This time with a patch
attached.
Signed-off-by: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
--
Joerg Roedel
Operating System Research Center
AMD Saxony LLC & Co. KG
[-- Attachment #2: kvm-32guest-reboot-fix.patch --]
[-- Type: text/plain, Size: 438 bytes --]
Index: qemu/qemu-kvm.c
===================================================================
--- qemu/qemu-kvm.c (revision 4384)
+++ qemu/qemu-kvm.c (working copy)
@@ -195,6 +195,8 @@
if (!(env->cr[0] & CR0_PG_MASK)) {
fix_realmode_dataseg(&sregs.ds);
fix_realmode_dataseg(&sregs.es);
+ fix_realmode_dataseg(&sregs.fs);
+ fix_realmode_dataseg(&sregs.gs);
fix_realmode_dataseg(&sregs.ss);
}
}
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next reply other threads:[~2007-02-05 12:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-05 12:04 Joerg Roedel [this message]
[not found] ` <20070205120412.GG8804-5C7GfCeVMHo@public.gmane.org>
2007-02-05 14:53 ` [PATCH] fix 32 bit guest freeze on second reboot Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160A4D1F22-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-02-06 9:39 ` Joerg Roedel
2007-02-07 9:20 ` Avi Kivity
-- strict thread matches above, loose matches on Subject: below --
2007-02-05 11:12 Joerg Roedel
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