diff --git a/device/dell/x86_64-dell_s6100_c2538-r0/installer.conf b/device/dell/x86_64-dell_s6100_c2538-r0/installer.conf
index 26ee5ef89de6..0a9a3a639eb2 100644
--- a/device/dell/x86_64-dell_s6100_c2538-r0/installer.conf
+++ b/device/dell/x86_64-dell_s6100_c2538-r0/installer.conf
@@ -1,2 +1,3 @@
 CONSOLE_PORT=0x2f8
 CONSOLE_DEV=1
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="module_blacklist=gpio_ich"
diff --git a/device/dell/x86_64-dell_s6100_c2538-r0/plugins/sfputil.py b/device/dell/x86_64-dell_s6100_c2538-r0/plugins/sfputil.py
index 745aaae74467..04723b109a55 100644
--- a/device/dell/x86_64-dell_s6100_c2538-r0/plugins/sfputil.py
+++ b/device/dell/x86_64-dell_s6100_c2538-r0/plugins/sfputil.py
@@ -236,6 +236,11 @@ def __init__(self):
                                 self.port_to_eeprom_mapping[port_num] =\
                                                         "No IOM"
 
+        self.oir_fd = open(self.OIR_FD_PATH, "r")
+        self.epoll = select.epoll()
+        if self.oir_fd != -1:
+            self.epoll.register(self.oir_fd.fileno(), select.EPOLLIN)
+
         SfpUtilBase.__init__(self)
 
     def __del__(self):
diff --git a/device/dell/x86_64-dell_z9100_c2538-r0/installer.conf b/device/dell/x86_64-dell_z9100_c2538-r0/installer.conf
index 26ee5ef89de6..0a9a3a639eb2 100644
--- a/device/dell/x86_64-dell_z9100_c2538-r0/installer.conf
+++ b/device/dell/x86_64-dell_z9100_c2538-r0/installer.conf
@@ -1,2 +1,3 @@
 CONSOLE_PORT=0x2f8
 CONSOLE_DEV=1
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="module_blacklist=gpio_ich"