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Re: [Qemu-devel] [PATCH] hw/char/cmsdk-apb-timer: Correctly identify and

From: Guenter Roeck
Subject: Re: [Qemu-devel] [PATCH] hw/char/cmsdk-apb-timer: Correctly identify and set one-shot mode
Date: Mon, 2 Jul 2018 10:05:22 -0700
User-agent: Mutt/1.5.24 (2015-08-30)

On Mon, Jul 02, 2018 at 05:46:39PM +0100, Peter Maydell wrote:
> On 2 July 2018 at 17:27, Guenter Roeck <address@hidden> 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.


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