diff --git a/debian.azure-6.14/config/annotations b/debian.azure-6.14/config/annotations
index c518bd1d767f..7a61ced84eea 100644
--- a/debian.azure-6.14/config/annotations
+++ b/debian.azure-6.14/config/annotations
@@ -1,7 +1,7 @@
 # Menu: HEADER
 # FORMAT: 4
-# ARCH: amd64 arm64
-# FLAVOUR: amd64-azure arm64-azure
+# ARCH: amd64
+# FLAVOUR: amd64-azure
 
 include "../../debian.azure/config/annotations"
 
diff --git a/debian/rules.d/0-common-vars.mk b/debian/rules.d/0-common-vars.mk
index 726caba7e07c..c73f20304305 100644
--- a/debian/rules.d/0-common-vars.mk
+++ b/debian/rules.d/0-common-vars.mk
@@ -206,7 +206,7 @@ kmake = make ARCH=$(build_arch) \
 	KERNELRELEASE=$(abi_release)-$* \
 	CONFIG_DEBUG_SECTION_MISMATCH=y \
 	KBUILD_BUILD_VERSION="$(uploadnum)" \
-	CFLAGS_MODULE="-DPKG_ABI=$(abinum)" \
+	CFLAGS_MODULE='-DPKG_ABI=\"$(abinum)\"' \
 	PYTHON=$(PYTHON)
 ifneq ($(LOCAL_ENV_CC),)
 kmake += CC="$(LOCAL_ENV_CC)" DISTCC_HOSTS="$(LOCAL_ENV_DISTCC_HOSTS)"
diff --git a/debian/scripts/control-create b/debian/scripts/control-create
index 887f28633d4b..b363ee0238f6 100755
--- a/debian/scripts/control-create
+++ b/debian/scripts/control-create
@@ -73,8 +73,8 @@ gen_per_flavour () {
 	if [ "${#signed_arch[@]}" != 0 ]; then
 		sed "${sed_common_patterns[@]}" \
 		    -e "s/ARCH/${signed_arch[*]}/g" \
-		    -e "s/=SIGN-ME-PKG=/-unsigned/g" \
-		    -e "s/=SIGN-ME-TXT=/ unsigned/g" \
+		    -e "s/=SIGN-ME-PKG=//g" \
+		    -e "s/=SIGN-ME-TXT=//g" \
 		    -e "s/=SIGN-PEER-PKG=//g" \
 		  "${DEBIAN}/control.d/flavour-signed-control.stub"
 	fi
@@ -82,8 +82,8 @@ gen_per_flavour () {
 	if [ "${#unsigned_arch[@]}" != 0 ]; then
 		sed "${sed_common_patterns[@]}" \
 		    -e "s/ARCH/${unsigned_arch[*]}/g" \
-		    -e "s/=SIGN-ME-PKG=//g" \
-		    -e "s/=SIGN-ME-TXT=//g" \
+		    -e "s/=SIGN-ME-PKG=/-unsigned/g" \
+		    -e "s/=SIGN-ME-TXT=/-unsigned/g" \
 		    -e "s/=SIGN-PEER-PKG=/-unsigned/g" \
 		    "${DEBIAN}/control.d/flavour-signed-control.stub"
 	fi
diff --git a/delphix b/delphix
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 620ba6e0ab07..95b44e29c800 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3870,6 +3870,7 @@ int iscsi_target_tx_thread(void *arg)
 	 * connection recovery / failure event can be triggered externally.
 	 */
 	allow_signal(SIGINT);
+	complete(&conn->kthr_start_comp);
 
 	while (!kthread_should_stop()) {
 		/*
@@ -4116,6 +4117,7 @@ int iscsi_target_rx_thread(void *arg)
 	 * connection recovery / failure event can be triggered externally.
 	 */
 	allow_signal(SIGINT);
+	complete(&conn->kthr_start_comp);
 	/*
 	 * Wait for iscsi_post_login_handler() to complete before allowing
 	 * incoming iscsi/tcp socket I/O, and/or failing the connection.
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index d9a6242264b7..5a56ba3c36af 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -1101,6 +1101,18 @@ void iscsit_handle_dataout_timeout(struct timer_list *t)
 
 	iscsit_inc_conn_usage_count(conn);
 
+	/*
+	 * If the command was aborted, for instance following a LUN RESET,
+	 * a dataout timeout might be normal.
+	 */
+	if (target_cmd_interrupted(&cmd->se_cmd)) {
+		pr_debug("DataOut timeout on interrupted cmd with"
+			" ITT[0x%08llx]\n", cmd->se_cmd.tag);
+		cmd->dataout_timer_flags &= ~ISCSI_TF_RUNNING;
+		iscsit_dec_conn_usage_count(conn);
+		return;
+	}
+
 	spin_lock_bh(&cmd->dataout_timeout_lock);
 	if (cmd->dataout_timer_flags & ISCSI_TF_STOP) {
 		spin_unlock_bh(&cmd->dataout_timeout_lock);
@@ -1114,19 +1126,22 @@ void iscsit_handle_dataout_timeout(struct timer_list *t)
 	if (!sess->sess_ops->ErrorRecoveryLevel) {
 		pr_err("Unable to recover from DataOut timeout while"
 			" in ERL=0, closing iSCSI connection for I_T Nexus"
-			" %s,i,0x%6phN,%s,t,0x%02x\n",
+			" %s,i,0x%6phN,%s,t,0x%02x, cmd ITT[0x%08llx]\n",
 			sess->sess_ops->InitiatorName, sess->isid,
-			sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
+			sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt,
+			cmd->se_cmd.tag);
 		goto failure;
 	}
 
 	if (++cmd->dataout_timeout_retries == na->dataout_timeout_retries) {
 		pr_err("Command ITT: 0x%08x exceeded max retries"
 			" for DataOUT timeout %u, closing iSCSI connection for"
-			" I_T Nexus %s,i,0x%6phN,%s,t,0x%02x\n",
+			" I_T Nexus %s,i,0x%6phN,%s,t,0x%02x,"
+			" cmd ITT[0x%08llx]\n",
 			cmd->init_task_tag, na->dataout_timeout_retries,
 			sess->sess_ops->InitiatorName, sess->isid,
-			sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
+			sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt,
+			cmd->se_cmd.tag);
 		goto failure;
 	}
 
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index c2ac9a99ebbb..78632713785a 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -619,6 +619,7 @@ int iscsit_start_kthreads(struct iscsit_conn *conn)
 		ret = PTR_ERR(conn->tx_thread);
 		goto out_bitmap;
 	}
+	wait_for_completion(&conn->kthr_start_comp);
 	conn->tx_thread_active = true;
 
 	conn->rx_thread = kthread_run(iscsi_target_rx_thread, conn,
@@ -628,6 +629,7 @@ int iscsit_start_kthreads(struct iscsit_conn *conn)
 		ret = PTR_ERR(conn->rx_thread);
 		goto out_tx;
 	}
+	wait_for_completion(&conn->kthr_start_comp);
 	conn->rx_thread_active = true;
 
 	return 0;
@@ -1023,6 +1025,7 @@ static struct iscsit_conn *iscsit_alloc_conn(struct iscsi_np *np)
 	init_completion(&conn->rx_half_close_comp);
 	init_completion(&conn->tx_half_close_comp);
 	init_completion(&conn->rx_login_comp);
+	init_completion(&conn->kthr_start_comp);
 	spin_lock_init(&conn->cmd_lock);
 	spin_lock_init(&conn->conn_usage_lock);
 	spin_lock_init(&conn->immed_queue_lock);
@@ -1091,7 +1094,7 @@ void iscsi_target_login_sess_out(struct iscsit_conn *conn,
 	if (!new_sess)
 		goto old_sess_out;
 
-	pr_err("iSCSI Login negotiation failed.\n");
+	pr_debug("iSCSI Login negotiation failed.\n");
 	iscsit_collect_login_stats(conn, ISCSI_STATUS_CLS_INITIATOR_ERR,
 				   ISCSI_LOGIN_STATUS_INIT_ERR);
 	if (!zero_tsih || !conn->sess)
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 16e3ded98c32..0645fd660448 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -1227,7 +1227,7 @@ int iscsi_target_locate_portal(
 	 */
 	tiqn = iscsit_get_tiqn_for_login(t_buf);
 	if (!tiqn) {
-		pr_err("Unable to locate Target IQN: %s in"
+		pr_debug("Unable to locate Target IQN: %s in"
 			" Storage Node\n", t_buf);
 		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
 				ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 05d29201b730..0b89895564bc 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -882,7 +882,7 @@ static void target_abort_work(struct work_struct *work)
 	target_handle_abort(cmd);
 }
 
-static bool target_cmd_interrupted(struct se_cmd *cmd)
+bool target_cmd_interrupted(struct se_cmd *cmd)
 {
 	int post_ret;
 
@@ -901,6 +901,7 @@ static bool target_cmd_interrupted(struct se_cmd *cmd)
 
 	return false;
 }
+EXPORT_SYMBOL(target_cmd_interrupted);
 
 /* May be called from interrupt context so must not sleep. */
 void target_complete_cmd_with_sense(struct se_cmd *cmd, u8 scsi_status,
diff --git a/fs/namespace.c b/fs/namespace.c
index dc433dedf538..97a8b23f4e40 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -306,7 +306,7 @@ void mnt_release_group_id(struct mount *mnt)
 /*
  * vfsmount lock must be held for read
  */
-static inline void mnt_add_count(struct mount *mnt, int n)
+static noinline __noclone void mnt_add_count(struct mount *mnt, int n)
 {
 #ifdef CONFIG_SMP
 	this_cpu_add(mnt->mnt_pcp->mnt_count, n);
@@ -1870,7 +1870,8 @@ static int do_umount_root(struct super_block *sb)
 	return ret;
 }
 
-static int do_umount(struct mount *mnt, int flags)
+/* force a bpftrace dynamic function probe here */
+static noinline __noclone int do_umount(struct mount *mnt, int flags)
 {
 	struct super_block *sb = mnt->mnt.mnt_sb;
 	int retval;
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 5cf2fa480617..6d7b784edc1b 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -17,6 +17,7 @@
 #ifndef _ASM_GENERIC_MSHYPERV_H
 #define _ASM_GENERIC_MSHYPERV_H
 
+#include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/atomic.h>
 #include <linux/bitops.h>
@@ -133,7 +134,7 @@ static inline u64 hv_do_rep_hypercall(u16 code, u16 rep_count, u16 varhead_size,
  * Preserve the ability to 'make deb-pkg' since PKG_ABI is provided
  * by the Ubuntu build rules.
  */
-#define PKG_ABI 0
+#define PKG_ABI "0"
 #endif
 
 /* Generate the guest OS identifier as described in the Hyper-V TLFS */
@@ -143,7 +144,15 @@ static inline u64 hv_generate_guest_id(u64 kernel_version)
 
 	guest_id = (((u64)HV_LINUX_VENDOR_ID) << 48);
 	guest_id |= (kernel_version << 16);
-	guest_id |= PKG_ABI;
+	/*
+	 * Delphix mutates the ABI number by appending a date and the commit hash. Strip it.
+	 */
+	char *token;
+	char *pkg_abi_str = PKG_ABI;
+	token = strsep(&pkg_abi_str, "-");
+	unsigned long abi_number = simple_strtoul(token, NULL, 10);
+	guest_id |= (abi_number << 8);
+
 
 	return guest_id;
 }
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index 51ca80abacf7..93f7650309ff 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -550,6 +550,7 @@ struct iscsit_conn {
 	struct completion	conn_logout_comp;
 	struct completion	tx_half_close_comp;
 	struct completion	rx_half_close_comp;
+	struct completion	kthr_start_comp;
 	/* socket used by this connection */
 	struct socket		*sock;
 	void			(*orig_data_ready)(struct sock *);
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 3378ff9ee271..4f136a98df63 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -191,6 +191,7 @@ sense_reason_t	transport_generic_new_cmd(struct se_cmd *);
 
 void	target_put_cmd_and_wait(struct se_cmd *cmd);
 void	target_execute_cmd(struct se_cmd *cmd);
+bool	target_cmd_interrupted(struct se_cmd *cmd);
 
 int	transport_generic_free_cmd(struct se_cmd *, int);