Bug#779029: scummvm: fails to work on armhf, ARM ASM is buggy [PATCH]

[Vagrant Cascadian]

On 2015-02-25, Markus Koschany wrote:
> On 23.02.2015 13:44, Konstantinos Margaritis wrote:
>> I have been trying to run old scummvm games on an old armhf system, but
>> it was crashing on load with a segfault.
>> 
>> I tried to debug the application and found that at all times, the
>> culprit are the arm asm optimizations. Disabling these optimizations
>> makes scummvm run properly on armhf, at least I was able to run both In
>> diana Jones and the Fate of Atlantis and Beneath a Steel Sky. I attach
>> a patch but it's only a suggested method, disabling arm optimizations
>> for all arm* platforms, in the case of Debian, both armel and armhf.
...
> thanks for your report. Unfortunately I cannot verify this issue because
> I don't currently possess any armhf hardware capable of running ScummVM.
> Hence I also cannot confirm whether your patch actually solves the issue.

I was able to reproduce the bug on a CuBox-i4pro running Debian armhf.

Without the patch, scummvm just showed a blank window and eventually
crashed.

With the patch applied, I was able to play "beneath-a-steel-sky", though
I didn't test it extensively... :)


live well,
  vagrant


-- System Information:
Debian Release: 8.0
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: armhf (armv7l)

Kernel: Linux 3.16.0-4-armmp (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages scummvm depends on:
ii  libasound2                1.0.28-1
ii  libc6                     2.19-13
ii  libfaad2                  2.7-8
ii  libflac8                  1.3.0-3
ii  libfluidsynth1            1.1.6-2
ii  libfreetype6              2.5.2-2
ii  libgcc1                   1:4.9.1-19
ii  libgl1-mesa-glx [libgl1]  10.3.2-1
ii  libjpeg62-turbo           1:1.3.1-11
ii  libmad0                   0.15.1b-8
ii  libmpeg2-4                0.5.1-6
ii  libogg0                   1.3.2-1
ii  libpng12-0                1.2.50-2+b2
ii  libsdl1.2debian           1.2.15-10+b1
ii  libstdc++6                4.9.1-19
ii  libtheora0                1.1.1+dfsg.1-6
ii  libvorbis0a               1.3.4-2
ii  libvorbisfile3            1.3.4-2
ii  scummvm-data              1.7.0+dfsg-1.1~20150226~1
ii  zlib1g                    1:1.2.8.dfsg-2+b1

scummvm recommends no packages.

Versions of packages scummvm suggests:
ii  beneath-a-steel-sky         0.0372-5
pn  drascula                    <none>
pn  flight-of-the-amazon-queen  <none>
pn  fluidsynth | timidity       <none>
pn  lure-of-the-temptress       <none>

-- no debconf information
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