Re: virtio-pci in qemu-system-arm is broken in 8.2

[Peter Maydell <peter.maydell@linaro.org>]

On Mon, 8 Jan 2024 at 17:38, Michael Tokarev <mjt@tls.msk.ru> wrote:
>
> 08.01.2024 20:07, Peter Maydell wrote:
> ..
> > I'm trying to figure out what kind of kernel config causes
> > this. If I do an upstream build of v6.6.9 with this config:
> > https://people.linaro.org/~peter.maydell/arm-6.6.9-config
> >
> > then it successfully probes the PCI device even with -cpu max:
>
> (with -cpu max it worked before but broke in 8.2 (after that commit).
> Without -cpu max it doesn't work for me neither before nor in 8.2.
> But ok.)
>
> Speaking of config. This is standard debian config, I'm attaching one
> to this email.  It can be found in the package, eg
> http://deb.debian.org/debian/pool/main/l/linux/linux-image-6.6.9-armmp_6.6.9-1_armhf.deb
> in /boot/config-$(uname -r).

It does seem to be a config thing -- on a plain upstream
v6.6.9 my config works and that debian default one does
not. Now to try to identify which particular config
difference is at fault. (It's not the CONFIG_VMSPLIT one,
I just tried that.)

thanks
-- PMM