[arch-general] RetroArch refuses to go back into windowed mode after fullscreen

[Diego Viola]

On Thu, Jun 9, 2016 at 6:26 PM, Diego Viola <diego.viola at gmail.com> wrote:
> On Thu, Jun 9, 2016 at 6:16 PM, Giovanni Santini via arch-general
> <arch-general at archlinux.org> wrote:
>> You should check if there is some difference between the two kconfig.
>>
>> (Sorry for top post, GMail from Android doesn't allow me an easy reply if
>> not top posting)
>>
>> ---
>> Giovanni Santini
>> My blog: http://giovannisantini.tk
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>> My code, again: https://gitlab.com/u/ItachiSan
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>> My GPG: 2FADEBF5
>> Il 09 giu 2016 11:08 PM, "Diego Viola via arch-general" <
>> arch-general at archlinux.org> ha scritto:
>>
>>> On Thu, Jun 9, 2016 at 2:46 PM, Diego Viola <diego.viola at gmail.com> wrote:
>>> > On Thu, Jun 9, 2016 at 11:19 AM, Diego Viola <diego.viola at gmail.com>
>>> wrote:
>>> >> Hello,
>>> >>
>>> >> I've been having this poblem for a while now, and I reported the
>>> >> problem here, because I think its' a bug in the Intel driver.
>>> >>
>>> >> https://bugs.freedesktop.org/show_bug.cgi?id=93844
>>> >>
>>> >> The problem happens when I use retroarch and I play a game, I press F
>>> >> to go into fullscreen mode, but when I press F again, the video is
>>> >> paused and retroarch hangs.
>>> >>
>>> >> This happens independently of the core I'm using in RA.
>>> >>
>>> >> At the moment, the problem is present with the 4.6.1-2-ARCH kernel,
>>> >> but if I compile 4.6.1 myself, the problem does not occur.
>>> >>
>>> >> Is there anything the package maintainers can do about this? Or this
>>> >> is something only the Intel developers can tackle?
>>> >>
>>> >> My system is archlinux x86_64, Intel i915 driver, Dual-Core  CPU
>>> >> E5500  @ 2.80GHz desktop machine, 2GB of RAM. I was able to reproduce
>>> >> this on my ThinkPad T450 as well, so I don't think the hardware is
>>> >> that relevant.
>>> >>
>>> >> Thanks,
>>> >> Diego
>>> >
>>> > Tobias, Thomas, any ideas on this?
>>> >
>>> > I've tried compiling 4.6.1 myself and then RetroArch doesn't hang
>>> > after toggling windowed-mode from fullscreen.
>>> >
>>> > It hangs with the stock 4.6.1-ARCH kernel though.
>>> >
>>> > Diego
>>>
>>> It turns out with a clean (make defconfig/menuconfig) of 4.6.2 it
>>> doesn't hang, when I used Arch's /proc/config.gz it hangs.
>>>
>>> By "it hangs" I mean when I switch from fullscreen to windowed-mode on
>>> RetroArch.
>>>
>>> Diego
>>>
>
> Yes, there are a lot of differences.
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/x86/configs/x86_64_defconfig
> https://git.archlinux.org/svntogit/packages.git/tree/trunk/config.x86_64?h=packages/linux
>
> But who knows what exactly is affecting it?
>
> Arch uses CONFIG_HZ_300=y and x86_64_defconfig uses CONFIG_HZ_1000=y,
> I doubt that has anything to do with it?
>
> Thanks,
> Diego

Tried recompiling the kernel with CONFIG_HZ=1000, that didn't change anything.

Diego