Re: [Qemu-arm] [PATCH] hw/char/cmsdk-apb-timer: Correctly identify and set one-shot mode

[Guenter Roeck <linux@roeck-us.net>]

On Mon, Jul 02, 2018 at 05:46:39PM +0100, Peter Maydell wrote:
> On 2 July 2018 at 17:27, Guenter Roeck <linux@roeck-us.net> wrote:
> > Again, in my observation the boot sometimes stalls without my
> > patch. Maybe there is a better fix, but the code as-is doesn't
> > work for me. All I can say is that the current code does not set
> > one-shot mode when it should, and that seems wrong.
> >
> > You could of course take out the zero delta warning. Personally
> > I would caution against that - whenever I have seen that warning,
> > it suggested that something is wrong with the emulation, and it
> > helped me track down the problem. Your call, of course. Also,
> > I don't think taking out the warning would fix my stall problem.
> 
> Can you provide me with something I can reproduce with, then,
> please? My kernel + buildroot don't repro the problem: it always
> seems to boot fine. I had a look at your testbuild git repo
> but couldn't manage to figure out how to build a binary
> from it. I'm ok with building a QEMU from your branch for
> testing this, but I'd rather not try to figure out how to
> reproduce your kernel and root filesystem setup.
> 

I don't think I'll have more time available to spend on this
anytime soon. If it works for you, just drop the patch. I can
keep it local in my branch. My version of qemu is different anyway,
after all.

Thanks,
Guenter