Re: [PULL 13/25] hcd-ohci: Fix inconsistency when resetting ohci root hubs

[Stefan Hajnoczi]

On Wed, 15 Feb 2023 at 08:45, Qiang Liu <cyruscyliu@gmail.com> wrote:
>
> Hi,
>>>
>>> This commit breaks boot-serial-test on ppc64-softmmu.
>>>
>>>   $ ./configure --enable-tcg-interpreter
>>> '--target-list=aarch64-softmmu alpha-softmmu arm-softmmu hppa-softmmu
>>> m68k-softmmu microblaze-softmmu ppc64-softmmu s390x-softmmu
>>> x86_64-softmmu'
>>>   $ make && cd build && QTEST_QEMU_BINARY=./qemu-system-ppc64
>>> ./tests/qtest/boot-serial-test; cd -
>>>
>>> (Yes, the full --target-list is needed because boot-serial-test isn't
>>> built when only ppc64-softmmu is selected.)
>>>
>>> Here is the CI failure:
>>> https://gitlab.com/qemu-project/qemu/-/jobs/3087540972#L22
>
>  I reproduced this failure and got "Out of malloc memory" error message in 
> the 
> [openbios-ppc](https://github.com/openbios/openbios/blob/4a0041107b8ef77e0e8337bfcb5f8078887261a7/libopenbios/ofmem_common.c#L134).
>  However, I'm not sure how to debug this. Have you run into this issue before?

I don't. Maybe Gerd has an idea?

The memory allocation may be because there is either a request leak or
additional USB activity as a result of this patch.

Stefan