From 5fd4a9c97397bc0819a919de7a62ec972ec85260 Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Fri, 6 Jul 2018 15:31:05 +0100 Subject: [PATCH] tests/migration: Skip tests for ppc tcg PPC tcg seems to be failing migration tests quite regularly; we believe this is TCG bugs in dirty bit updating; it's not clear why PPC fails more but lets skip for the moment. $ ./tests/migration-test /ppc64/migration/deprecated: OK /ppc64/migration/bad_dest: Skipping test: kvm_hv not available OK /ppc64/migration/postcopy/unix: Skipping test: kvm_hv not available OK /ppc64/migration/precopy/unix: Skipping test: kvm_hv not available OK Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Laurent Vivier Message-id: 20180706143105.93472-1-dgilbert@redhat.com Signed-off-by: Peter Maydell --- tests/migration-test.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/tests/migration-test.c b/tests/migration-test.c index 3a85446f95..331efb0fe5 100644 --- a/tests/migration-test.c +++ b/tests/migration-test.c @@ -360,7 +360,7 @@ static void migrate_start_postcopy(QTestState *who) qobject_unref(rsp); } -static void test_migrate_start(QTestState **from, QTestState **to, +static int test_migrate_start(QTestState **from, QTestState **to, const char *uri, bool hide_stderr) { gchar *cmd_src, *cmd_dst; @@ -385,9 +385,13 @@ static void test_migrate_start(QTestState **from, QTestState **to, accel, tmpfs, bootpath, uri); } else if (strcmp(arch, "ppc64") == 0) { - /* On ppc64, the test only works with kvm-hv, but not with kvm-pr */ + /* On ppc64, the test only works with kvm-hv, but not with kvm-pr + * and TCG is touchy due to race conditions on dirty bits + * (especially on PPC for some reason) + */ if (access("/sys/module/kvm_hv", F_OK)) { - accel = "tcg"; + g_print("Skipping test: kvm_hv not available "); + return -1; } cmd_src = g_strdup_printf("-machine accel=%s -m 256M" " -name source,debug-threads=on" @@ -424,6 +428,7 @@ static void test_migrate_start(QTestState **from, QTestState **to, *to = qtest_init(cmd_dst); g_free(cmd_dst); + return 0; } static void test_migrate_end(QTestState *from, QTestState *to, bool test_dest) @@ -510,7 +515,9 @@ static void test_postcopy(void) char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); QTestState *from, *to; - test_migrate_start(&from, &to, uri, false); + if (test_migrate_start(&from, &to, uri, false)) { + return; + } migrate_set_capability(from, "postcopy-ram", "true"); migrate_set_capability(to, "postcopy-ram", "true"); @@ -556,7 +563,9 @@ static void test_baddest(void) const char *status; bool failed; - test_migrate_start(&from, &to, "tcp:0:0", true); + if (test_migrate_start(&from, &to, "tcp:0:0", true)) { + return; + } migrate(from, "tcp:0:0"); do { rsp = wait_command(from, "{ 'execute': 'query-migrate' }"); @@ -585,7 +594,9 @@ static void test_precopy_unix(void) char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); QTestState *from, *to; - test_migrate_start(&from, &to, uri, false); + if (test_migrate_start(&from, &to, uri, false)) { + return; + } /* We want to pick a speed slow enough that the test completes * quickly, but that it doesn't complete precopy even on a slow -- 2.39.5