[Freeswitch-users] Debian packages for ARM/MIPS/POWERPC

[Stanislav Sinyagin]

https://freeswitch.org/jira/browse/FS-8651
the source of the problem is quite deep in the sources of spandsp, so
I can't offer a fix.


On Thu, Dec 10, 2015 at 10:49 PM, Komar, Jason <jkomar at jbox.ca> wrote:
> I get nothing in debug or sip trace. It always dies at mod_spandsp_fax so I
> figured it was in that module. At that point freeswitch just restarts
> without throwing any errors.
>
> Kernel log shows:
>
> Dec 10 14:16:17 antman kernel: [ 5949.832802] Alignment trap: not handling
> instruction ecb17a01 at [<b44fe32c>]
> Dec 10 14:16:17 antman kernel: [ 5949.834290] Unhandled fault: alignment
> exception (0x001) at 0xb4546e4a
>
> The only part of the exception that is the same every time it happens is
> "instruction ecb17a01."
>
> I would have just opened a JIRA, but I didn't think this was enough
> information. I have been Googling trying to figure out how to get more info.
>
> Jason
>
>
> On Thu, Dec 10, 2015 at 2:37 PM, Stanislav Sinyagin <ssinyagin at gmail.com>
> wrote:
>>
>> Hi, I didn't see any errors, but I'm not using fax, and mostly it's
>> bridging the calls and connecting users to a conference. Do you have more
>> debugging information?
>>
>> Most probably the source of the problem is that x86 allows unaligned
>> memory access: a word pointer can have any value. And other architectures
>> don't allow this, and require the pointers to be aligned to word boundaries.
>> Mongodb, for example, is known to fail on any non-x86 CPU because of that.
>>
>> So, probably mod_spandsp needs an audit.
>>
>> On 10 Dec 2015 21:11, "Komar, Jason" <jkomar at jbox.ca> wrote:
>>>
>>> Your instructions worked great for me building on/for my Odroid-U3 (arm)
>>> running Debian Jessie.
>>>
>>> I know you are running on arm at scaleway. Do you ever run into any
>>> alignment issues? I'm getting alignment exception faults receiving faxes and
>>> I'm having trouble pulling any useful debug messages.
>>>
>>> Thanks,
>>> Jason
>>>
>>> On Mon, Nov 30, 2015 at 9:27 AM, Stanislav Sinyagin <ssinyagin at gmail.com>
>>> wrote:
>>>>
>>>> hi,
>>>>
>>>> I put together the build scenario that I tested for ARM (armhf at
>>>> scaleway.com), and it should also work for other architectures:
>>>>
>>>>
>>>> https://freeswitch.org/confluence/display/FREESWITCH/Building+debs+for+other+architectures
>>>>
>>>> It will be great if someone tests them on other architectures too.
>>>>
>>>>
>>>> cheers,
>>>> stanislav
>>>>
>>>>
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>>
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>
>
>
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
>
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>
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