[CentOS] PE850 Interrupt conflicts on CentOS 5 and onboard ethernet and pci-e serial

2010-11-25 Thread Dan Irwin
Hello,


I have an interrupt conflict between a two port pci-e serial card and
the onboard ethernet controllers in a PowerEdge 850.

I'm running kernel 2.6.18-194.26.1.el5PAE with bios revision A04.

In every instance, the two serial ports have been allocated the same
interrupts as the two ethernet controllers.

I have tried many kernel boot options, including acpi=off, pci=noirq,
acpi=noirq.

When I enter the bios, I can see the same interrupts allocated to the
serial ports and ethernet controllers. Attempting to change the
interrupts manual causes both a nic and a serial port to both change,
both to the same interrupt.

I have even tried disabling onboard usb and serial with no change.

I'm beginning to think the pci-e serial card is broken under linux. I
have a similar card running on a PE850 under Windows Server 2003 and
there are no such conflicts.

Here is some output from lspci -v :

02:00.0 Serial controller: Oxford Semiconductor Ltd OX16PCI954 (Quad
16950 UART) function 0 (Uart) (prog-if 06 [16950])
   Subsystem: Oxford Semiconductor Ltd Unknown device 0001
   Flags: medium devsel, IRQ 137
   I/O ports at ecf8 [size=8]
   Memory at feaff000 (32-bit, non-prefetchable) [size=4K]
   I/O ports at ece0 [size=16]
   Memory at feafe000 (32-bit, non-prefetchable) [size=4K]
   Memory at feafd000 (32-bit, non-prefetchable) [size=4K]
   Capabilities: [40] Power Management version 1

02:01.0 Serial controller: Oxford Semiconductor Ltd OXCB950 Cardbus
16950 UART (prog-if 06 [16950])
   Subsystem: Oxford Semiconductor Ltd Unknown device 0001
   Flags: medium devsel, IRQ 145
   I/O ports at ecf0 [disabled] [size=8]
   Memory at feafc000 (32-bit, non-prefetchable) [disabled]
[size=4K]
   I/O ports at ecd0 [disabled] [size=16]
   Memory at feafb000 (32-bit, non-prefetchable) [disabled]
[size=4K]
   Memory at feafa000 (32-bit, non-prefetchable) [disabled]
[size=4K]
   Capabilities: [40] Power Management version 1


05:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721
Gigabit Ethe
rnet PCI Express (rev 11)
   Subsystem: Dell Unknown device 01b6
   Flags: bus master, fast devsel, latency 0, IRQ 137
   Memory at fe5f (64-bit, non-prefetchable) [size=64K]
   Expansion ROM at ignored [disabled]
   Capabilities: [48] Power Management version 2
   Capabilities: [50] Vital Product Data
   Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3
Enable
-
   Capabilities: [d0] Express Endpoint IRQ 0
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [13c] Virtual Channel

06:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721
Gigabit Ethe
rnet PCI Express (rev 11)
   Subsystem: Dell Unknown device 01b6
   Flags: bus master, fast devsel, latency 0, IRQ 145
   Memory at fe3f (64-bit, non-prefetchable) [size=64K]
   Expansion ROM at ignored [disabled]
   Capabilities: [48] Power Management version 2
   Capabilities: [50] Vital Product Data
   Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3
Enable
-
   Capabilities: [d0] Express Endpoint IRQ 0
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [13c] Virtual Channel


I'm fairly stumped, and I'm about ready to try different serial
hardware.

Any clues from the experts on this list?



Regards,

 

Dan

 

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dan irwin

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jackie's wholesale nurseries p/l t/a

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email d...@jackies.com.au

tel  07 3888 2481

fax 07 3888 2530

 



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Re: [CentOS] PE850 Interrupt conflicts on CentOS 5 and onboard ethernet and pci-e serial

2010-11-25 Thread Eero Volotinen
 I'm fairly stumped, and I'm about ready to try different serial hardware.

 Any clues from the experts on this list?


Are you using latest centos release and kernel? Try updating bios to latest
version?


 

 Jackie's Legal Disclaimer:



Please, do not post legal disclaimers to mailinglists.

--
Eero,
RHCE
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Re: [CentOS] PE850 Interrupt conflicts on CentOS 5 and onboard ethernet and pci-e serial

2010-11-25 Thread Dan Irwin
Hello,

The kernel was updated today to the latest, but I have also tried the previous 
few kernels.

The machine was recently updated to the latest bios revision for a PE850 (A04) 
which was included in my post.

I apologise for posting the corporate email sig, but your post really isn't 
much better. 

Do you have any real advice or experience with this model of server running 
CentOS/RHEL? Or were you only really posting to complain about my sig and 
disclaimer?

Regards,

Dan

(Posting in plain text mode just in case someone out there still reads with 
pine or elm)


From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of 
Eero Volotinen
Sent: Friday, 26 November 2010 10:07 AM
To: CentOS mailing list
Subject: Re: [CentOS] PE850 Interrupt conflicts on CentOS 5 and onboard 
ethernet and pci-e serial



I'm fairly stumped, and I'm about ready to try different serial hardware.

Any clues from the experts on this list?

Are you using latest centos release and kernel? Try updating bios to latest 
version?
 

Jackie's Legal Disclaimer:


Please, do not post legal disclaimers to mailinglists.

--
Eero,
RHCE

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Re: [CentOS] PE850 Interrupt conflicts on CentOS 5 and onboard ethernet and pci-e serial

2010-11-25 Thread Eero Volotinen
2010/11/26 Dan Irwin d...@jackies.com.au:
 Hello,

 The kernel was updated today to the latest, but I have also tried the 
 previous few kernels.

 The machine was recently updated to the latest bios revision for a PE850 
 (A04) which was included in my post.

You should try using supported version of os on this hardware platform:
(url: http://www.ecomhost.net/dedicated/pe850_specs.pdf , RHEL/Centos 3/4 )

You can also try RHEL 6 and/or compiling latest kernel manually. This
requires some tuning.

--
Eero
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