[openib-general] IB kernel on x86_64 architecture

Tue Apr 13 11:28:37 PDT 2004

I am using linux 2.4.21-9.0.1EL, red hat enterprise edition. I could install the patch successfully. I made the changes in /etc/modules.conf file as specified. Next, when I do ifconfig ib0 <netaddress>, I get Kernal Panic: Fatal exception (or sometime it simply hangs) and had to reboot the machine. 
Following is what I get

Call trace: 
[<ffffffffa0184f79>]{:ib_mad_send_no_copy+137}
[<ffffffffa018fda1>]{:ib_client_query:tslIbClientQuery_Rsmp_66a55a2b+49}
[<ffffffffa0193dc7>]{:ib_sa_client:tsIbMulticastGroupJoin_Rsmp_44900772+263}
[<ffffffffa019d8ba>]{:ib_ipoib:_tsIpoibDeviceMulticastJoin+410}
[<ffffffffa019d6d0>]{:ib_ipoib:_tsIpoibMulticastJoinComplete+0}
[<ffffffffa019db80>]{:ib_ipoib:_tsIpoibDeviceMulticastJoinGroup+80}
[<ffffffffa019dc30>]{:ib_ipoib:_tsIpoibDeviceMulticastThread+0}
[<ffffffffa019dd3c>]{:ib_ipoib:_tsIpoibDeviceMulticastThread+268}
[<ffffffffa019dc30>]{:ib_ipoib:_tsIpoibDeviceMulticastThread+0}
[<ffffffffa01440f1>]{:ib_services:_tsKernelThreadStart+289}
[<ffffffff80110bd9>]{child_rip+8}[<ffffffffa019dc30>] {:ib_ipoib:_tsIpoibDeviceMulticastThread+0}
[<ffffffffa0143fd0>] {:ib_services:_tsKernelThreadStart+0}
[<ffffffff80110bd1>]{child_rip+0}

Code: 4c 8b 2b 74 4d 66 66 90 48 8d 7b f0 48 8b 47 20 48 85 c0 74

Kernel panic: Fatal exception

>You need some IB core support in your kernel.
Can you be more specific? (or send me some pointer)

-Mitul.

>    Mitul> Has anyone installed and run the infiniband kernel on
>    Mitul> x86_64 architecture successfully? I tried installing the IB
>    Mitul> kernel available at openib.org (it is tested only on i386
>    Mitul> architecture) unsuccessfully on opteron. The OS I used was
>    Mitul> linux 2.4.
>
>Can you be more specific about the problem you had and the kernel you
>used?  I will do some testing on Opteron within the next week and make
>sure everything works OK, but if you have a specific problem I may be
>able to help sooner.
>
>    Mitul> Is it requried to install this kernel to run IPoIB and SDP? 
>    Mitul> or is there any other way to run IPoIB and SDP?
>
>You need some IB core support in your kernel.
>
> - Roland
>
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