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@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@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@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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