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authorSerapheim Dimitropoulos <[email protected]>2018-06-16 17:39:14 -0700
committerBrian Behlendorf <[email protected]>2018-10-19 12:06:21 -0700
commit9b2266e3d80994b21c452f67856010b566420831 (patch)
treefd37ec02e9bef4e37cc41509e2ab390bf79d565b
parentee900344f2f81cd3cc8dda95e8e8e41497d58001 (diff)
OpenZFS 9682 - page fault in dsl_async_clone_destroy() while opening pool
Authored by: Serapheim Dimitropoulos <[email protected]> Reviewed by: Brad Lewis <[email protected]> Reviewed by: Matt Ahrens <[email protected]> Reviewed by: Sara Hartse <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Robert Mustacchi <[email protected]> Ported-by: George Melikov <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/9682 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/ade2c82828 Closes #8037
-rw-r--r--cmd/zdb/zdb.c5
-rw-r--r--module/zfs/spa.c12
2 files changed, 12 insertions, 5 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index ad4ebe00a..389bd7820 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -2453,10 +2453,11 @@ dump_dir(objset_t *os)
dmu_objset_name(os, osname);
(void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
- "%s, %llu objects%s\n",
+ "%s, %llu objects%s%s\n",
osname, type, (u_longlong_t)dmu_objset_id(os),
(u_longlong_t)dds.dds_creation_txg,
- numbuf, (u_longlong_t)usedobjs, blkbuf);
+ numbuf, (u_longlong_t)usedobjs, blkbuf,
+ (dds.dds_inconsistent) ? " (inconsistent)" : "");
if (zopt_objects != 0) {
for (i = 0; i < zopt_objects; i++)
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index 3785981b7..f0683b0b8 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -4226,8 +4226,17 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, char **ereport)
*/
spa_history_log_version(spa, "open", NULL);
+ spa_restart_removal(spa);
+ spa_spawn_aux_threads(spa);
+
/*
* Delete any inconsistent datasets.
+ *
+ * Note:
+ * Since we may be issuing deletes for clones here,
+ * we make sure to do so after we've spawned all the
+ * auxiliary threads above (from which the livelist
+ * deletion zthr is part of).
*/
(void) dmu_objset_find(spa_name(spa),
dsl_destroy_inconsistent, NULL, DS_FIND_CHILDREN);
@@ -4237,9 +4246,6 @@ spa_load_impl(spa_t *spa, spa_import_type_t type, char **ereport)
*/
dsl_pool_clean_tmp_userrefs(spa->spa_dsl_pool);
- spa_restart_removal(spa);
-
- spa_spawn_aux_threads(spa);
}
spa_load_note(spa, "LOADED");