Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] Help: OpenMPI Compilation in Raspberry Pi
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2013-01-11 14:14:22


Ok, I was able to configure and run successfully on my Raspberry Pi with:

    ./configure CCASFLAGS=-march=armv7-a ...

Is that something we should put on a FAQ page?

On Jan 11, 2013, at 7:11 AM, George Bosilca <bosilca_at_[hidden]> wrote:

> This one belong to arm7 instruction set. Please try one of the following `armv7', `armv7-a', `armv7-r'.
>
> George.
>
>
> On Jan 11, 2013, at 00:38 , Jeff Squyres (jsquyres) <jsquyres_at_[hidden]> wrote:
>
>> Sadly, none of these solutions worked for me on my RPi:
>>
>> -----
>> pi_at_raspberrypi ~/openmpi-1.6.3/opal/asm $ make CCASFLAGS=-mcpu=arm1176jzf-s
>> CPPAS atomic-asm.lo
>> atomic-asm.S: Assembler messages:
>> atomic-asm.S:7: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:15: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:23: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:55: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:70: Error: selected processor does not support ARM mode `dmb'
>> make: *** [atomic-asm.lo] Error 1
>> pi_at_raspberrypi ~/openmpi-1.6.3/opal/asm $ make CCASFLAGS=-march=armv6zk
>> CPPAS atomic-asm.lo
>> atomic-asm.S: Assembler messages:
>> atomic-asm.S:7: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:15: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:23: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:55: Error: selected processor does not support ARM mode `dmb'
>> atomic-asm.S:70: Error: selected processor does not support ARM mode `dmb'
>> make: *** [atomic-asm.lo] Error 1
>> pi_at_raspberrypi ~/openmpi-1.6.3/opal/asm $ make CCASFLAGS=-march=argv6k
>> CPPAS atomic-asm.lo
>> cc1: error: bad value (argv6k) for -march switch
>> make: *** [atomic-asm.lo] Error 1
>> pi_at_raspberrypi ~/openmpi-1.6.3/opal/asm $
>> -----
>>
>> Although I'm using a bit different system than the original user cited (I'm running the latest Raspbian distro):
>>
>> -----
>> pi_at_raspberrypi ~/openmpi-1.6.3/opal/asm $ uname -a
>> Linux raspberrypi 3.2.27+ #250 PREEMPT Thu Oct 18 19:03:02 BST 2012 armv6l GNU/Linux
>> pi_at_raspberrypi ~/openmpi-1.6.3/opal/asm $ gcc --version
>> gcc (Debian 4.6.3-12+rpi1) 4.6.3
>> -----
>>
>> On Jan 10, 2013, at 5:39 PM, George Bosilca <bosilca_at_[hidden]>
>> wrote:
>>
>>> A little bit of google shows that this is a known issue. ldrex and strex are not included in the default instruction set gcc uses (arm6). One has to add the compile flag "-march=argv6k" to successfully compiles.
>>>
>>> George.
>>>
>>> PS: For more info: http://www.raspberrypi.org/phpBB3/viewtopic.php?f=9&t=4256&start=250
>>>
>>>
>>> On Jan 10, 2013, at 16:20 , Jeff Squyres (jsquyres) <jsquyres_at_[hidden]> wrote:
>>>
>>>> Mmmm. Let's rope in our ARM expert here...
>>>>
>>>> Leif, do you know what the issue is here?
>>>>
>>>>
>>>> On Jan 3, 2013, at 4:28 AM, Lee Eric <openlinuxsource_at_[hidden]> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I am going to compile OpenMPI 1.6.3 in Raspberry Pi and encounter following errors.
>>>>>
>>>>> make[2]: Entering directory `/root/openmpi-1.6.3/opal'
>>>>> CC class/opal_bitmap.lo
>>>>> CC class/opal_free_list.lo
>>>>> CC class/opal_hash_table.lo
>>>>> CC class/opal_list.lo
>>>>> CC class/opal_object.lo
>>>>> /tmp/ccniCtj0.s: Assembler messages:
>>>>> /tmp/ccniCtj0.s:83: Error: selected processor does not support ARM mode `ldrex r3,[r1]'
>>>>> /tmp/ccniCtj0.s:86: Error: selected processor does not support ARM mode `strex r4,r0,[r1]'
>>>>> make[2]: *** [class/opal_object.lo] Error 1
>>>>> make[2]: Leaving directory `/root/openmpi-1.6.3/opal'
>>>>> make[1]: *** [all-recursive] Error 1
>>>>> make[1]: Leaving directory `/root/openmpi-1.6.3/opal'
>>>>> make: *** [all-recursive] Error 1
>>>>>
>>>>> Can anyone have any idea to fix that issue?
>>>>>
>>>>> I'm using Fedora 17 rootfs and kernel version is "Linux fedora-arm 3.6.11+ #1 PREEMPT Wed Jan 2 15:14:23 CST 2013 armv6l armv6l armv6l GNU/Linux".
>>>>>
>>>>> Thanks.
>>>>>
>>>>> Eric Lee
>>>>> _______________________________________________
>>>>> users mailing list
>>>>> users_at_[hidden]
>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/