Mohammed Gamal wrote:
> On Mon, Sep 21, 2009 at 1:29 PM, Jan Kiszka <[email protected]> wrote:
>> Mohammed Gamal wrote:
>>> Signed-off-by: Mohammed Gamal <[email protected]>
>>> ---
>>>  qemu-kvm.c |    2 ++
>>>  1 files changed, 2 insertions(+), 0 deletions(-)
>>>
>>> diff --git a/qemu-kvm.c b/qemu-kvm.c
>>> index 0afdb56..c22c28a 100644
>>> --- a/qemu-kvm.c
>>> +++ b/qemu-kvm.c
>>> @@ -1015,6 +1015,8 @@ int kvm_run(kvm_vcpu_context_t vcpu, void *env)
>>>          switch (run->exit_reason) {
>>>          case KVM_EXIT_UNKNOWN:
>>>              r = handle_unhandled(run->hw.hardware_exit_reason);
>>> +            kvm_show_regs(vcpu);
>>> +            abort();
>>>              break;
>>>          case KVM_EXIT_FAIL_ENTRY:
>>>              r = 
>>> handle_unhandled(run->fail_entry.hardware_entry_failure_reason);
>> Don't we currently suspend the VM on unknown exits? This is more useful
>> than aborting as it allows to
>>  - disassemble the problematic code
>>  - poke around in the RAM
>>  - look at other VCPUs
>>  - attach a debugger to qemu
>>  - ...
>>
> 
> Good point. But at least we can still show registers, since that also
> can give some diagnostic information, no?

No fundamental concerns. Just move the call into handle_unhandled.

And maybe some note like "kvm_run returned XX - VM stopped" in
kvm_cpu_exec() would clarify the situation a bit more.

Jan

-- 
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux
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