Unaligned userspace

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kianusch
Posts: 31
Joined: Fri Dec 29, 2017 10:59 pm

Unaligned userspace

Post by kianusch »

Hello,

Following setup: minisatip with satip-axe patches running on DigiBit, compiled by me.
Built with dvbcsa.
All four tuners activated via UniCable Switch.

Everything works - but after a day or so, first a few encrypted channels wont work, unecrypted channels do work ... after some more time, no channel work.
Client says "Kein Sender verfügbar" (No sender available)

When I look at the kernel messages I see ...

Unaligned userspace access in "minisatip8" pid=3103 pc=0x00429ec8 ins=0x2212

... right from the beginning, even during the time, when everything works.

Is there a way to start minisatip in non debug mode - and switch to debug mode, via linux "kill" signal or so?

Problem is "fixed" (for some time) by stopping/starting minisatip.
cata
Site Admin
Posts: 768
Joined: Tue May 12, 2015 1:01 am

Re: Unaligned userspace

Post by cata »

Hi,

You can comment set_signal_handler() in init_utils. Before running minisatip do: ulimit -c 0
Then run minisatip in a location you have space for the core dump.

On the box you have compiled minisatip once you have the core and the same binary you can open it sh4-*-gdb and do bt to see where it crashed
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