gdb+qemu+rtems: Problem #2 in offset computation

[Tomas Kalibera]

Hi,

thank you for your suggestion. Giving it more CPU helped.

Tomas


Joel Sherrill wrote:
> Tomas Kalibera wrote:
>> Hi,
>>
>> I'm trying to debug RTEMS running in QEMU (x86) with gdb. The program
>> hangs on
>>
>> ./rtems-4.8.1/c/src/lib/libbsp/i386/pc386/timer/timer.c:476
>>
>> which is
>>
>> printk("Problem #2 in offset computation in Calibrate_loop_1ms in file
>> libbsp/i386/pc386/timer/timer.c\n");
>>
>>   
> This indicates that the counter on the timer count
> didn't change as much as for a loop of 10 as it did when
> we did an empty call.
>
> What is your host CPU?  How fast?
>
> How are you invoking qemu?
>> I found just one related message,
>> http://article.gmane.org/gmane.comp.emulators.qemu/17806, where the
>> author advises to recompile the (Linux) kernel of the host system.
>>
>> Is this a known issue ? And if so, is it an RTEMS bug or QEMU bug or
>> anything else bug ? And, is there a known workaround that would make
>> RTEMS boot ?
>>
>>   
> To be honest I have never seen this before but I don't
> believe qemu for benchmarking either.  :)
>> Thanks !
>>
>> Tomas
>>
>> P.S.
>>
>> I have RTEMS 4.8.1, QEMU 0.9.1, host OS is FC9 with  2.6.25-14.fc9.i686
>> kernel.
>>
>>
>>
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>>   
>
>