Comment 36 for bug 1240940

I facing Kernal panic Error after installation. Ubuntu LTS

root@oodo-B5400:/home/oodo# uname -a
Linux oodo-B5400 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

root@oodo-B5400:/home/oodo# dmesg | grep rtl
[ 10.555130] rtlwifi: module verification failed: signature and/or required key missing - tainting kernel
[ 10.774730] rtlwifi-0:rtl_pci_probe():<0-0> mem mapped space: start: 0xf0100000 len:00004000 flags:00140204, after map:0xffffc90004780000
[ 10.774747] rtlwifi-0:_rtl_pci_find_adapter():<0-0> Pci Bridge Vendor is found index: 0
[ 10.774749] rtlwifi-0:_rtl_pci_find_adapter():<0-0> pcidev busnumber:devnumber:funcnumber:vendor:link_ctl 4:0:0:10ec:0
[ 10.774751] rtlwifi-0:_rtl_pci_find_adapter():<0-0> pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd 0:28:2:8086:40:43:0
[ 10.781932] rtl8723be-0:rtl8723be_read_eeprom_info():<0-0> Boot from EFUSE
[ 10.797449] rtl8723be:
[ 10.797545] rtl8723be-0:_rtl8723be_read_adapter_info():<0-0> dev_addr: 80:56:f2:b1:83:cd
[ 10.797550] rtl8723be-0:_rtl8723be_hal_customized_behavior():<0-0> RT Customized ID: 0x00
[ 11.008051] rtl8723be 0000:04:00.0: Direct firmware load failed with error -2
[ 11.008052] rtl8723be 0000:04:00.0: Falling back to user helper
[ 11.008430] rtl8723be-0:rtl8723be_init_sw_vars():<0-0> Failed to request firmware!
[ 11.008432] rtlwifi-0:rtl_pci_probe():<0-0> Can't init_sw_vars.