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qemuProcessStartWithMemoryState: Don't start qemu with '-loadvm SNAP' and '-incoming defer' together

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A bug in qemuProcessStartWithMemoryState caused that we would start qemu
with '-loadvm SNAP' and '-incoming defer' together.  qemu doesn't expect
that and crashes on an assertion failure [1].

[1]: https://issues.redhat.com/browse/RHEL-16782

Fixes: 8a88d3e5860881f430e528d3e5e8d6455ded4d1d
Resolves: https://issues.redhat.com/browse/RHEL-17841
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Peter Krempa 2023-12-01 10:28:48 +01:00
parent 94ded36b3f
commit 69880584e6
1 changed files with 4 additions and 1 deletions
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5
src/qemu/qemu_process.c
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@ -8196,6 +8196,7 @@ qemuProcessStartWithMemoryState(virConnectPtr conn,
VIR_AUTOCLOSE intermediatefd = -1;
g_autoptr(virCommand) cmd = NULL;
g_autofree char *errbuf = NULL;
const char *migrateFrom = NULL;
int rc = 0;
if (data) {
@ -8207,6 +8208,8 @@ qemuProcessStartWithMemoryState(virConnectPtr conn,
&errbuf, &cmd) < 0) {
return -1;
}
migrateFrom = "stdio";
}
/* No cookie means libvirt which saved the domain was too old to mess up
@ -8220,7 +8223,7 @@ qemuProcessStartWithMemoryState(virConnectPtr conn,
priv->disableSlirp = true;
if (qemuProcessStart(conn, driver, vm, cookie ? cookie->cpu : NULL,
asyncJob, "stdio", *fd, path, snapshot,
asyncJob, migrateFrom, *fd, path, snapshot,
VIR_NETDEV_VPORT_PROFILE_OP_RESTORE,
start_flags) == 0)
*started = true;