Are you running a 32bit version of Fedora by chance?

On Thu, May 10, 2012 at 4:26 PM, Hui Kang <[email protected]> wrote:

> Hi,
> I am using marssx86 to run a fedora 14 os. After I boot the machine and
> start the simulation from the QEMU monitor, the VM exits with some error
> message.
>
>  Completed        321000 cycles,        152247 commits:    192571 Hz,
> 226715
>  Completed        395000 cycles,        192288 commits:    368144 Hz,
> 199200
>  Completed        509000 cycles,        219744 commits:    564596 Hz,
> 135978
>  Completed        564000 cycles,        263019 commits:    274601 Hz,
> 216061
>  Completed        607000 cycles,        309815 commits:    212271 Hz,
> 231010 insns/sec: rip ffffffff811c2305qemu-system-x86_64:
> ptlsim/build/core/ooo-core/ooo-pipe.cpp:2131: int
> ooo::ReorderBufferEntry::commit(): Assertion `uop.eom' failed.
>
> I did a quick search online and find this maybe caused by an unsupported
> opcode, but I am not sure about the cause.
> Could anyone tell me how to debug this error message or find the
> unsupported opcode? Thanks.
>
> - Hui
>
>
> PS.
> More information Š.
> The code snippet is from ooo-pipe.cpp is
>
>    if unlikely (isclass(uop.opcode, OPCLASS_BRANCH)) {
>        assert(uop.eom);
>
> If the uop is a branch class opcode and it should be set an eom. This
> looks an exception for this case.
> Any comment?
>
>
>
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