diff -Nru lvm2-2.03.07/debian/changelog lvm2-2.03.07/debian/changelog
--- lvm2-2.03.07/debian/changelog	2020-02-13 21:21:51.000000000 +0000
+++ lvm2-2.03.07/debian/changelog	2022-05-30 17:56:52.000000000 +0000
@@ -1,3 +1,10 @@
+lvm2 (2.03.07-1ubuntu1+lp1834250) focal; urgency=low
+
+  * d/p/reduce-device-path-error-messsages.patch: Silence "No medium
+    found" errors from card readers on "update-grub" (LP: #1834250)
+
+ -- Mauricio Faria de Oliveira <mfo@canonical.com>  Mon, 30 May 2022 14:56:52 -0300
+
 lvm2 (2.03.07-1ubuntu1) focal; urgency=low
 
   * Merge from Debian unstable.  Remaining changes:
diff -Nru lvm2-2.03.07/debian/patches/reduce-device-path-error-messsages.patch lvm2-2.03.07/debian/patches/reduce-device-path-error-messsages.patch
--- lvm2-2.03.07/debian/patches/reduce-device-path-error-messsages.patch	1970-01-01 00:00:00.000000000 +0000
+++ lvm2-2.03.07/debian/patches/reduce-device-path-error-messsages.patch	2022-05-30 17:56:52.000000000 +0000
@@ -0,0 +1,103 @@
+Origin: upstream, https://sourceware.org/git/?p=lvm2.git;a=commit;h=957904933b2b0f94eddc6204ca2fa61e2df741a1
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/1834250
+From: David Teigland <teigland@redhat.com>
+Date: Thu, 12 Mar 2020 10:18:51 -0500
+Subject: [PATCH] reduce device path error messsages
+
+When /dev entries or sysfs entries are changing
+due to concurrent lvm commands, it can cause
+warning/error messages about missing paths.
+---
+ lib/device/dev-cache.c | 9 +++++++--
+ lib/device/dev-io.c    | 8 +++++---
+ lib/device/dev-type.c  | 2 +-
+ 3 files changed, 13 insertions(+), 6 deletions(-)
+
+diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
+index e17b13f013d5..6af559cabbd9 100644
+--- a/lib/device/dev-cache.c
++++ b/lib/device/dev-cache.c
+@@ -357,12 +357,14 @@ static int _get_sysfs_value(const char *path, char *buf, size_t buf_size, int er
+ 	int r = 0;
+ 
+ 	if (!(fp = fopen(path, "r"))) {
+-		log_sys_error("fopen", path);
++		if (error_if_no_value)
++			log_sys_error("fopen", path);
+ 		return 0;
+ 	}
+ 
+ 	if (!fgets(buf, buf_size, fp)) {
+-		log_sys_error("fgets", path);
++		if (error_if_no_value)
++			log_sys_error("fgets", path);
+ 		goto out;
+ 	}
+ 
+@@ -1460,6 +1462,7 @@ struct device *dev_cache_get(struct cmd_context *cmd, const char *name, struct d
+ 		_insert(name, info_available ? &buf : NULL, 0, obtain_device_list_from_udev());
+ 		d = (struct device *) dm_hash_lookup(_cache.names, name);
+ 		if (!d) {
++			log_debug_devs("Device name not found in dev_cache repeat dev_cache_scan for %s", name);
+ 			dev_cache_scan();
+ 			d = (struct device *) dm_hash_lookup(_cache.names, name);
+ 		}
+@@ -1535,6 +1538,8 @@ struct device *dev_cache_get_by_devt(struct cmd_context *cmd, dev_t dev, struct
+ 			}
+ 		}
+ 
++		log_debug_devs("Device num not found in dev_cache repeat dev_cache_scan for %d:%d",
++				(int)MAJOR(dev), (int)MINOR(dev));
+ 		dev_cache_scan();
+ 		d = _dev_cache_seek_devt(dev);
+ 	}
+diff --git a/lib/device/dev-io.c b/lib/device/dev-io.c
+index dd65c3d2ebc5..735441f19970 100644
+--- a/lib/device/dev-io.c
++++ b/lib/device/dev-io.c
+@@ -94,7 +94,7 @@ static int _dev_get_size_dev(struct device *dev, uint64_t *size)
+ 	}
+ 
+ 	if (fd <= 0) {
+-		if (!dev_open_readonly(dev))
++		if (!dev_open_readonly_quiet(dev))
+ 			return_0;
+ 		fd = dev_fd(dev);
+ 		do_close = 1;
+@@ -128,8 +128,10 @@ static int _dev_read_ahead_dev(struct device *dev, uint32_t *read_ahead)
+ 		return 1;
+ 	}
+ 
+-	if (!dev_open_readonly(dev))
++	if (!dev_open_readonly_quiet(dev)) {
++		log_error("Failed to open to get readahead %s", dev_name(dev));
+ 		return_0;
++	}
+ 
+ 	if (ioctl(dev->fd, BLKRAGET, &read_ahead_long) < 0) {
+ 		log_sys_error("ioctl BLKRAGET", dev_name(dev));
+@@ -194,7 +196,7 @@ int dev_get_direct_block_sizes(struct device *dev, unsigned int *physical_block_
+ 	}
+ 
+ 	if (fd <= 0) {
+-		if (!dev_open_readonly(dev))
++		if (!dev_open_readonly_quiet(dev))
+ 			return 0;
+ 		fd = dev_fd(dev);
+ 		do_close = 1;
+diff --git a/lib/device/dev-type.c b/lib/device/dev-type.c
+index fba4dc917fa9..d225d4d90315 100644
+--- a/lib/device/dev-type.c
++++ b/lib/device/dev-type.c
+@@ -86,7 +86,7 @@ int dev_is_lv(struct device *dev)
+ 		return 0;
+ 
+ 	if (!fgets(buffer, sizeof(buffer), fp))
+-		log_warn("Failed to read %s.", path);
++		log_debug("Failed to read %s.", path);
+ 	else if (!strncmp(buffer, "LVM-", 4))
+ 		ret = 1;
+ 
+-- 
+2.34.1
+
diff -Nru lvm2-2.03.07/debian/patches/series lvm2-2.03.07/debian/patches/series
--- lvm2-2.03.07/debian/patches/series	2020-02-13 21:21:51.000000000 +0000
+++ lvm2-2.03.07/debian/patches/series	2022-05-30 17:56:52.000000000 +0000
@@ -4,3 +4,4 @@
 blkdeactivate-use-usr-bin-sort.patch
 fix-systemd-run-location.patch
 Detect-systemd-at-run-time-in-69-dm-lvm-metad.rules.patch
+reduce-device-path-error-messsages.patch