Re: [Qemu-devel] tcg/translate-all.c:169: tb_lock: Assertion `!have_tb_lock' failed when doing cpu_restore_state in usermode

[Alex Bennée]

Peter Maydell <address@hidden> writes:

> On 10 October 2017 at 10:53, Alex Bennée <address@hidden> wrote:
>>
>> Peter Maydell <address@hidden> writes:
>>
>>> Running the test program
>>> http://people.linaro.org/~peter.maydell/thumb-over-page
>>> (source at http://people.linaro.org/~peter.maydell/thumb-over-page.c)
>>> in the usermode emulator:
>>>  ./build/x86/arm-linux-user/qemu-arm
>>> ~/linaro/qemu-misc-tests/thumb-over-page
>>
>> Does this fail when run via system mode as well?
>
> Nope, only usermode. (Makes sense, since the handle_cpu_signal()
> codepath is only used in usermode emulation.)

But surely system emulation has to deal with the same rolling over a
page issue. How is it's resolution different?

>
> thanks
> -- PMM


--
Alex Bennée