diff --git a/configs/README.txt b/configs/README.txt
index fc8373df9c5..77d8a556bf3 100644
--- a/configs/README.txt
+++ b/configs/README.txt
@@ -710,6 +710,9 @@ defconfig -- This is a configuration file similar to the Linux
 		  or hardware resources are shared with other drivers.
 		CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 		  4-bit transfer mode.
+		CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+		  This setting is used to work around buggy SDIO drivers that cannot handle
+		  multiple block transfers.
 
 	SDIO-based MMC/SD driver
 
diff --git a/configs/stm3240g-eval/dhcpd/defconfig b/configs/stm3240g-eval/dhcpd/defconfig
index 30ff4d54551..b11a2d90a5a 100644
--- a/configs/stm3240g-eval/dhcpd/defconfig
+++ b/configs/stm3240g-eval/dhcpd/defconfig
@@ -699,6 +699,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -708,6 +711,7 @@ CONFIG_SDIO_DMA=n
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
diff --git a/configs/stm3240g-eval/nettest/defconfig b/configs/stm3240g-eval/nettest/defconfig
index 6fb7f862d20..2f7d1995610 100644
--- a/configs/stm3240g-eval/nettest/defconfig
+++ b/configs/stm3240g-eval/nettest/defconfig
@@ -699,6 +699,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -708,6 +711,7 @@ CONFIG_SDIO_DMA=n
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
diff --git a/configs/stm3240g-eval/nsh/defconfig b/configs/stm3240g-eval/nsh/defconfig
index bb4b252221b..d3f9ecfa355 100644
--- a/configs/stm3240g-eval/nsh/defconfig
+++ b/configs/stm3240g-eval/nsh/defconfig
@@ -776,6 +776,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -785,6 +788,7 @@ CONFIG_SDIO_DMA=n
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
@@ -876,7 +880,7 @@ CONFIG_NET_RESOLV_ENTRIES=4
 # CONFIG_DISABLE_PTHREAD - pthread support is required
 # CONFIG_DISABLE_POLL - poll() support is required
 #
-CONFIG_FTPD_CMDBUFFERSIZE=512
+CONFIG_FTPD_CMDBUFFERSIZE=2048
 
 #
 # RTC Configuration
diff --git a/configs/stm3240g-eval/nsh2/defconfig b/configs/stm3240g-eval/nsh2/defconfig
index 1160cc96df5..05f41123c88 100644
--- a/configs/stm3240g-eval/nsh2/defconfig
+++ b/configs/stm3240g-eval/nsh2/defconfig
@@ -777,6 +777,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -786,6 +789,7 @@ CONFIG_SDIO_DMA=y
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
@@ -877,7 +881,7 @@ CONFIG_NET_RESOLV_ENTRIES=4
 # CONFIG_DISABLE_PTHREAD - pthread support is required
 # CONFIG_DISABLE_POLL - poll() support is required
 #
-CONFIG_FTPD_CMDBUFFERSIZE=512
+CONFIG_FTPD_CMDBUFFERSIZE=2048
 
 #
 # RTC Configuration
diff --git a/configs/stm3240g-eval/ostest/defconfig b/configs/stm3240g-eval/ostest/defconfig
index d95fc96e731..78a23b09aab 100644
--- a/configs/stm3240g-eval/ostest/defconfig
+++ b/configs/stm3240g-eval/ostest/defconfig
@@ -687,6 +687,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -696,6 +699,7 @@ CONFIG_SDIO_DMA=n
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
diff --git a/configs/stm3240g-eval/telnetd/defconfig b/configs/stm3240g-eval/telnetd/defconfig
index 7a1394e9f9b..0726e0e1223 100644
--- a/configs/stm3240g-eval/telnetd/defconfig
+++ b/configs/stm3240g-eval/telnetd/defconfig
@@ -699,6 +699,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -708,6 +711,7 @@ CONFIG_SDIO_DMA=n
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
diff --git a/configs/stm32f4discovery/nsh/defconfig b/configs/stm32f4discovery/nsh/defconfig
index e4e8789c335..ea540088218 100755
--- a/configs/stm32f4discovery/nsh/defconfig
+++ b/configs/stm32f4discovery/nsh/defconfig
@@ -706,6 +706,9 @@ CONFIG_FS_WRITEBUFFER=n
 #   Default:  Medium
 # CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode.  Default:
 #   4-bit transfer mode.
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
@@ -715,6 +718,7 @@ CONFIG_SDIO_DMA=n
 #CONFIG_SDIO_PRI=128
 #CONFIG_SDIO_DMAPRIO
 #CONFIG_SDIO_WIDTH_D1_ONLY
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n
 
diff --git a/configs/stm32f4discovery/ostest/defconfig b/configs/stm32f4discovery/ostest/defconfig
index 27cbb770d9b..60169385e7a 100755
--- a/configs/stm32f4discovery/ostest/defconfig
+++ b/configs/stm32f4discovery/ostest/defconfig
@@ -672,12 +672,16 @@ CONFIG_FS_WRITEBUFFER=n
 #
 # CONFIG_SDIO_DMA
 #   SDIO driver supports DMA
+# CONFIG_MMCSD_MULTIBLOCK_DISABLE - Use only the single block transfer method.
+#   This setting is used to work around buggy drivers that cannot handle
+#   multiple block transfers.
 # CONFIG_MMCSD_MMCSUPPORT
 #   Enable support for MMC cards
 # CONFIG_MMCSD_HAVECARDDETECT
 #   SDIO driver card detection is 100% accurate
 #
 CONFIG_SDIO_DMA=n
+CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
 CONFIG_MMCSD_MMCSUPPORT=n
 CONFIG_MMCSD_HAVECARDDETECT=n