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Oracle Linux UEK5 - Devices through Dell PERC H730P Mini RAID Controller not detected (Doc ID 2677417.1)

Last updated on JUNE 08, 2020

Applies to:

Linux OS - Version Oracle Linux 7.5 with Unbreakable Enterprise Kernel [4.14.35] to Oracle Linux 7.8 with Unbreakable Enterprise Kernel [4.14.35] [Release OL7U5 to OL7U8]
Linux x86-64

Symptoms

With UEK5 Kernel, the machine is not able to see the Dell PERC H730p RAID CARD

Kernel version: Linux hostname 4.14.35-1902.10.7.el7uek.x86_64 #2 SMP Fri Jan 31 12:23:16 PST 2020 x86_64 x86_64 x86_64 GNU/Linux

--dmidecode
System Information
        Manufacturer: Dell Inc.
        Product Name: PowerEdge R6515
BIOS Information
        Vendor: Dell Inc.
        Version: 1.1.6
        Release Date: 10/02/2019

less var/log/dmesg | grep megaraid_sas
[    1.741201] megaraid_sas 0000:02:00.0: BAR:0x1  BAR's
base_addr(phys):0x00000000f7400000  mapped virt_addr:0xffffb7908321a000
[    1.741203] megaraid_sas 0000:02:00.0: FW now in Ready state
[    1.741204] megaraid_sas 0000:02:00.0: SME is active, device will require
DMA bounce buffers
[    1.741205] megaraid_sas 0000:02:00.0: 63 bit DMA mask and 32 bit
consistent mask
[    1.741366] megaraid_sas 0000:02:00.0: Failed to allocate crash dump
buffer
[    1.741576] megaraid_sas 0000:02:00.0: firmware supports msix        :
(96)
[    1.742123] megaraid_sas 0000:02:00.0: requested/available msix 49/49
[    1.742126] megaraid_sas 0000:02:00.0: current msix/online cpus      :
(49/48)
[    1.742127] megaraid_sas 0000:02:00.0: RDPQ mode     : (disabled)
[    1.742129] megaraid_sas 0000:02:00.0: Current firmware supports maximum commands: 928        LDIO threshold: 0
[    1.742211] megaraid_sas 0000:02:00.0: Failed from megasas_alloc_reply_fusion 697   <<<<<<<<<
[    1.742708] megaraid_sas 0000:02:00.0: Failed from megasas_init_fw 6401  <<<<<<  


Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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