Adaptec i2o based SCSI controller fails to initialize during SLES11 installation

This document (7003842) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11

Situation

The installation of SLES11 reports no hard disks could be found. Looking at /var/log/boot.msg, messages similar to the following may be found:
 
<5>SCSI subsystem initialized
[...]
<6>I2O subsystem v1.325
<6>i2o: max drivers = 8
[...]
<6>i2o: Checking for PCI I2O controllers...
<6>PCI_I2O 0000:03:08.0: PCI INT A -> GSI 24 (level, low) -> IRQ 24
<6>iop0: controller found (0000:03:08.0)
<6>iop0: PCI I2O controller
<6>     BAR0 at 0xF8400000 size=1048576
<6>     BAR1 at 0xF9000000 size=16777216
<6>iop0: Installed at IRQ 24
<6>i2o: iop0: Activating I2O controller...
<6>i2o: iop0: This may take a few minutes if there are many devices
<6>iop0: HRT has 1 entries of 16 bytes each.
<6>Adapter 00000012: TID 0000:[HPC*]:PCI 1: Bus 1 Device 22 Function 0
<6>i2o: iop0: Controller added
[...]
<4>Loading Adaptec I2O RAID: Version 2.4 Build 5go
<6>Detecting Adaptec I2O RAID controllers...
<4>PCI_I2O 0000:03:08.0: BAR 0: can't reserve mem region [0xf8400000-0xf84fffff]
<3>dpti: adpt_config_hba: pci request region failed
<3>Could not Init an I2O RAID device
<3>Will not try to detect others.

Resolution

The installation needs to be started with the following options appended:
 
BrokenModules=i2o_core,i2o_config,i2o_bus,i2o_proc
 
This will ensure the module dpt_io2 will be used to support the controller otherwise the system cannot reserve the
requested memory regions as those are already in use by the i2o* modules.

Additional Information

This issue was experienced on aFujitsu Siemens RX300 (first generation) with an Adaptec (formerly DPT) ASR-2010S I2O Zero Channel controller.
 
Hardware info Adaptec:
 
31: PCI 308.0: 0104 RAID bus controller
[...]
  Model: "Adaptec (formerly DPT) ASR-2010S I2O Zero Channel"
  Vendor: pci 0x1044 "Adaptec (formerly DPT)"
  Device: pci 0xa511 "SmartRAID V Controller"
  SubVendor: pci 0x1044 "Adaptec (formerly DPT)"
  SubDevice: pci 0xc035 "ASR-2010S I2O Zero Channel"

 
BIOS information:
 
  Board Info: #2
    Manufacturer: "FUJITSU SIEMENS"
    Product: "D1409"
    Version: "S26361-D1409"

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7003842
  • Creation Date: 10-Jul-2009
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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