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From: Dan Williams <dan.j.williams@intel.com>
To: linux-nvdimm@lists.01.org
Subject: [ndctl PATCH v2 24/26] ndctl/test: Regression test 'failed to track'
Date: Sat, 27 Jul 2019 14:41:28 -0700	[thread overview]
Message-ID: <156426368860.531577.4971154560351562053.stgit@dwillia2-desk3.amr.corp.intel.com> (raw)
In-Reply-To: <156426356088.531577.14828880045306313118.stgit@dwillia2-desk3.amr.corp.intel.com>

Exercise the failing condition behind kernel commit c4703ce11c23
"libnvdimm/namespace: Fix label tracking error", i.e. rename (change
uuid) allocated namespace capacity.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 test/Makefile.am   |    3 ++-
 test/track-uuid.sh |   41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100755 test/track-uuid.sh

diff --git a/test/Makefile.am b/test/Makefile.am
index decc8377258a..782b01cc4a97 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -25,7 +25,8 @@ TESTS =\
 	inject-smart.sh \
 	monitor.sh \
 	max_available_extent_ns.sh \
-	pfn-meta-errors.sh
+	pfn-meta-errors.sh \
+	track-uuid.sh
 
 check_PROGRAMS =\
 	libndctl \
diff --git a/test/track-uuid.sh b/test/track-uuid.sh
new file mode 100755
index 000000000000..ece11193f01d
--- /dev/null
+++ b/test/track-uuid.sh
@@ -0,0 +1,41 @@
+#!/bin/bash -Ex
+
+# SPDX-License-Identifier: GPL-2.0
+# Copyright(c) 2018 Intel Corporation. All rights reserved.
+
+blockdev=""
+rc=77
+
+. ./common
+
+set -e
+trap 'err $LINENO' ERR
+
+# setup (reset nfit_test dimms)
+modprobe nfit_test
+$NDCTL disable-region -b $NFIT_TEST_BUS0 all
+$NDCTL zero-labels -b $NFIT_TEST_BUS0 all
+$NDCTL enable-region -b $NFIT_TEST_BUS0 all
+
+rc=1
+
+# create a fsdax namespace and clear errors (if any)
+dev="x"
+json=$($NDCTL create-namespace -b $NFIT_TEST_BUS0 -t pmem -m raw)
+eval "$(echo "$json" | json2var)"
+[ $dev = "x" ] && echo "fail: $LINENO" && exit 1
+
+$NDCTL disable-namespace $dev
+# On broken kernels this reassignment of capacity triggers a warning
+# with the following signature, and results in ENXIO.
+#     WARNING: CPU: 11 PID: 1378 at drivers/nvdimm/label.c:721 __pmem_label_update+0x55d/0x570 [libnvdimm]
+#     Call Trace:
+#      nd_pmem_namespace_label_update+0xd6/0x160 [libnvdimm]
+#      uuid_store+0x15c/0x170 [libnvdimm]
+#      kernfs_fop_write+0xf0/0x1a0
+#      __vfs_write+0x26/0x150
+uuidgen > /sys/bus/nd/devices/$dev/uuid
+$NDCTL enable-namespace $dev
+
+_cleanup
+exit 0

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  parent reply	other threads:[~2019-07-27 21:58 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-27 21:39 [ndctl PATCH v2 00/26] Improvements for namespace creation/interrogation Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 01/26] ndctl/dimm: Add 'flags' field to read-labels output Dan Williams
2019-08-02 18:01   ` Verma, Vishal L
2019-08-02 18:19     ` Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 02/26] ndctl/dimm: Add --human support to read-labels Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 03/26] ndctl/build: Drop -Wpointer-arith Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 04/26] ndctl/namespace: Add read-infoblock command Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 05/26] ndctl/test: Update dax-dev to handle multiple e820 ranges Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 06/26] ndctl/test: Make dax.sh more robust vs small namespaces Dan Williams
2019-07-27 21:39 ` [ndctl PATCH v2 07/26] ndctl/namespace: Always zero info-blocks Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 08/26] ndctl/dimm: Support small label reads/writes Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 09/26] ndctl/dimm: Minimize data-transfer for init-labels Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 10/26] ndctl/dimm: Add offset and size options to {read, write, zero}-labels Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 11/26] ndctl/dimm: Limit read-labels with --index option Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 12/26] ndctl/namespace: Minimize label data transfer for autolabel Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 13/26] ndctl/namespace: Disable autorecovery of create-namespace failures Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 14/26] ndctl/namespace: Handle 'create-namespace' in label-less mode Dan Williams
2019-08-21 12:56   ` Michal Suchánek
2019-08-21 18:03     ` Verma, Vishal L
2019-08-21 18:19       ` Michal Suchánek
2019-07-27 21:40 ` [ndctl PATCH v2 15/26] ndctl/dimm: Fix init-labels success reporting Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 16/26] ndctl/test: Fix device-dax bus-model detection Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 17/26] ndctl/test: Checkout device-mapper + dax operation Dan Williams
2019-07-27 21:40 ` [ndctl PATCH v2 18/26] ndctl/test: Exercise sub-section sized namespace creation/deletion Dan Williams
2019-07-27 21:41 ` [ndctl PATCH v2 19/26] ndctl/namespace: Kill off the legacy mode names Dan Williams
2019-07-27 21:41 ` [ndctl PATCH v2 20/26] ndctl/namespace: Introduce mode-to-name and name-to-mode helpers Dan Williams
2019-07-27 21:41 ` [ndctl PATCH v2 21/26] ndctl/namespace: Validate namespace size within validate_namespace_options() Dan Williams
2019-07-27 21:41 ` [ndctl PATCH v2 22/26] ndctl/namespace: Clarify 16M minimum size requirement Dan Williams
2019-07-27 21:41 ` [ndctl PATCH v2 23/26] ndctl/namespace: Report ENOSPC when regions are full Dan Williams
2019-07-27 21:41 ` Dan Williams [this message]
2019-07-27 21:41 ` [ndctl PATCH v2 25/26] ndctl/namespace: Continue region search on 'missing seed' event Dan Williams
2019-07-27 21:41 ` [ndctl PATCH v2 26/26] ndctl/monitor: Allow monitor to be manually moved to the background Dan Williams

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