[mythtv] configure did not detect my cpu and now I get "Illegal instruction"

Jason Pyeron jpyeron at pdinc.us
Thu Feb 9 15:53:21 UTC 2006


this might help some

[root at localhost mythtv]# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 6
model name      : Mobile Pentium II
stepping        : 10
cpu MHz         : 300.115
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 mtrr pge mca cmov pat 
pse36 mmx fxsr
bogomips        : 589.82


On Thu, 9 Feb 2006, Jason Pyeron wrote:

> still not 'detecting'
> I am now, confused...
>
> this is centos 4, rpm based install no kernel mods or modules loaded...
>
> [root at localhost mythtv]# svn up
> At revision 8908.
> [root at localhost mythtv]# make distclean
> ...
> [root at localhost mythtv]# ./configure
>
>  *** WARNING ***
>  Your CPU was not detected properly:
>    uname -m: i686
>    uname -p: i686
>  model name: Mobile Pentium II
>       flags: fpu vme de pse tsc msr pae mce cx8 mtrr pge mca cmov pat pse36 mmx fxsr
>
>  If you are using a recent CVS checkout,
>  please e-mail the above to mythtv-users at mythtv.org
>  With the subject "configure did not detect my cpu"
>
> # Basic Settings
> Compile type     release
> Compiler cache   no
> DistCC           no
> Install prefix   /usr/local
> CPU              x86 (model name        : Mobile Pentium II)
> Big Endian       no
> MMX enabled      yes
> Vector Builtins  no
>
> # Input Support
> Joystick menu    yes
> lirc support     no
> ivtv support     yes
> FireWire support no
> DVB support      no [/usr/src/linux-2.6.9-22.0.2.EL/include]
>
> # Sound Output Support
> OSS support      yes
> ALSA support     yes
> aRts support     no
> JACK support     no
>
> # Video Output Support
> x11 support      yes
> xrandr support   yes
> xv support       yes
> XvMC support     no
> XvMC VLD support no
> OpenGL vsync     no
> DirectFB         no
>
> Creating config.mak and config.h
> config.h is unchanged
>
>
> hmmm?
>
>
> On Thu, 9 Feb 2006, Daniel Kristjansson wrote:
>
>> On Wed, 2006-02-08 at 21:45 -0500, Jason Pyeron wrote:
>>> but now that the compile is finished, I get:
>>>
>>> [root at localhost database]# mythtv-setup -display 192.168.1.104:0 --geometry 800x600+50+50
>>> 2006-02-08 21:44:00.289 Overriding GUI, width=800, height=600 at 50,50
>>> 2006-02-08 21:44:00.322 New DB connection, total: 1
>>> Illegal instruction
>>
>> I've added your CPU to the list, but it shouldn't matter for your CPU.
>> It has both MMX and CMOV. My only recommendation is that you do a
>> 'svn update', 'make distclean', './configure', and then recompile
>> and install again. If that doesn't fix it, run in gdb and find out
>> where the illegal instruction is.
>>
>> -- Daniel
>>
>> _______________________________________________
>> mythtv-dev mailing list
>> mythtv-dev at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
>>
>
>

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