Backport fix for restoring snapshot more than once (rhbz #1531048)

This commit is contained in:
Adam Williamson 2018-03-22 13:19:43 -07:00
parent 082b21f3eb
commit 80f161598a
2 changed files with 43 additions and 1 deletions

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@ -0,0 +1,35 @@
From 5089e1862fe80b6f23ba4c494e2902cbe3d9d48e Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Fri, 25 Aug 2017 15:19:39 +0100
Subject: [PATCH] migration: Reset rather than destroy main_thread_load_event
migration_incoming_state_destroy doesn't really destroy, it cleans up.
After a loadvm it's called, but the loadvm command can be run twice,
and so destroying an init-once mutex breaks on the second loadvm.
Reported-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170825141940.20740-2-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
migration/migration.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 1a2b3ebd1a..9838ccc885 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -166,7 +166,7 @@ void migration_incoming_state_destroy(void)
mis->from_src_file = NULL;
}
- qemu_event_destroy(&mis->main_thread_load_event);
+ qemu_event_reset(&mis->main_thread_load_event);
}
static void migrate_generate_event(int new_state)
--
2.16.2

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@ -104,7 +104,7 @@ Requires: %{name}-block-ssh = %{epoch}:%{version}-%{release}
Summary: QEMU is a FAST! processor emulator
Name: qemu
Version: 2.10.1
Release: 2%{?rcrel}%{?dist}
Release: 3%{?rcrel}%{?dist}
Epoch: 2
License: GPLv2+ and LGPLv2+ and BSD
Group: Development/Tools
@ -168,6 +168,10 @@ Patch0105: 0105-9pfs-use-g_malloc0-to-allocate-space-for-xattr.patch
# (bz #1496882)
Patch0106: 0106-io-monitor-encoutput-buffer-size-from-websocket-GSou.patch
# Fix restoring from snapshot more than once in a single run
# (bz #1531048) - backport from master
Patch0201: 0201-migration-Reset-rather-than-destroy-main_thread_load.patch
# documentation deps
BuildRequires: texinfo
# For /usr/bin/pod2man
@ -2036,6 +2040,9 @@ getent passwd qemu >/dev/null || \
%changelog
* Thu Mar 22 2018 Adam Williamson <awilliam@redhat.com> - 2:2.1.01-3
- Backport fix for restoring snapshot more than once (rhbz #1531048)
* Thu Dec 21 2017 Daniel P. Berrange <berrange@redhat.com> - 2:2.10.1-2
- Re-enable RBD on arm/ppc (rhbz #1528378)