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From 745cb07a0d0090283383a35656bd0af36c446377 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Thu, 4 Dec 2014 09:12:27 +0000
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Subject: [PATCH] v2v: Disable autoreboot when converting Windows guests.
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This allows users to see stop errors, so we can get an accurate report
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when things go wrong.
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(cherry picked from commit 39d64121ec809076703b109053e12a3c91b9c2ea)
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---
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v2v/convert_windows.ml | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/v2v/convert_windows.ml b/v2v/convert_windows.ml
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index beca99c..1605a91 100644
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--- a/v2v/convert_windows.ml
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+++ b/v2v/convert_windows.ml
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@@ -191,6 +191,7 @@ echo uninstalling Xen PV driver
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if verbose then printf "current ControlSet is %s\n%!" current_cs;
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disable_services root current_cs;
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+ disable_autoreboot root current_cs;
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install_virtio_drivers root current_cs
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and disable_services root current_cs =
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@@ -212,6 +213,17 @@ echo uninstalling Xen PV driver
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)
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) disable
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+ and disable_autoreboot root current_cs =
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+ (* If the guest reboots after a crash, it's hard to see the original
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+ * error (eg. the infamous 0x0000007B). Turn off autoreboot.
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+ *)
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+ try
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+ let crash_control =
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+ get_node root [current_cs; "Control"; "CrashControl"] in
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+ g#hivex_node_set_value crash_control "AutoReboot" 4_L (le32_of_int 0_L)
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+ with
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+ Not_found -> ()
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+
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and install_virtio_drivers root current_cs =
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(* Copy the virtio drivers to the guest. *)
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let driverdir = sprintf "%s/Drivers/VirtIO" systemroot in
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--
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1.8.3.1
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