Re: [Qemu-devel] [PATCH v3 00/11] MTTCG fix-ups for 2.9

["Pavel Dovgalyuk" <dovgaluk@ispras.ru>]

> From: Alex Bennée [mailto:alex.bennee@linaro.org]
> Pavel Dovgalyuk <dovgaluk@ispras.ru> writes:
> >> From: Alex Bennée [mailto:alex.bennee@linaro.org]
> >> Pavel Dovgalyuk <dovgaluk@ispras.ru> writes:
> >
> >> I ran the following test on both pre-mttcg-merge and my current HEAD
> >> which includes Paolo's fix series:
> >>
> >>  ./arm-softmmu/qemu-system-arm -machine type=virt \
> >>     -display none -smp 1 -m 4096 -cpu cortex-a15 \
> >>     -kernel ../images/aarch32-current-linux-initrd-guest.img
> >>     -append "console=ttyAMA0" -serial mon:stdio \
> >>     -net none \
> >>     -icount shift=7,rr=record,rrfile=replay.bin
> >>
> >> And then:
> >>
> >>  ./arm-softmmu/qemu-system-arm -machine type=virt \
> >>     -display none -smp 1 -m 4096 -cpu cortex-a15 \
> >>     -kernel ../images/aarch32-current-linux-initrd-guest.img
> >>     -append "console=ttyAMA0" -serial mon:stdio \
> >>     -net none \
> >>     -icount shift=7,rr=replay,rrfile=replay.bin
> >>
> >> And they both ran the same. However I kept running into:
> >>
> >>  [    3.542408] RPC: Registered tcp NFSv4.1 backchannel transport module.
> >> qemu-system-arm: Missing character write event in the replay log
> >>
> >> This seems to be a pre-existing
> >
> > Does it mean that qemu-arm platform includes some serial devices that were
> > not detected by the replay?
> 
> It's the standard ARM platform serial port. When I read replay.txt is
> said:
> 
>  * Supports i386, x86_64, and ARM hardware platforms.
> 
> Should we add some qualifications about which machine types are
> supported? What is you ARM test case for record/replay?

I tested on vexpress-a9 platform with Debian wheezy.

Pavel Dovgalyuk