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Re: [GIT pull] irq updates for 4.3

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  Re: [GIT pull] irq updates for 4.3 Stephen Rothwell <sfr@canb.auug.org.au> - 2015-08-31 18:20 +0200
    Re: [GIT pull] irq updates for 4.3 Marc Zyngier <marc.zyngier@arm.com> - 2015-08-31 18:30 +0200
    Re: [GIT pull] irq updates for 4.3 Guenter Roeck <linux@roeck-us.net> - 2015-08-31 18:50 +0200
      Re: [GIT pull] irq updates for 4.3 Thomas Gleixner <tglx@linutronix.de> - 2015-09-01 18:10 +0200

#1216296 — Re: [GIT pull] irq updates for 4.3

Hi Thomas,

On Mon, 31 Aug 2015 12:04:37 +0200 (CEST) Thomas Gleixner <tglx@linutronix.de> wrote:
>
> Marc Zyngier (23):
>       irqchip/GIC: Convert to EOImode == 1

This appears to lead to qemu arm boot tests silently failing (according
to Guenter).  This commit only appeared in next-20150831.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
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#1216307

On Tue, 1 Sep 2015 02:12:46 +1000
Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi Thomas,
> 
> On Mon, 31 Aug 2015 12:04:37 +0200 (CEST) Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > Marc Zyngier (23):
> >       irqchip/GIC: Convert to EOImode == 1
> 
> This appears to lead to qemu arm boot tests silently failing (according
> to Guenter).  This commit only appeared in next-20150831.
> 

I'm currently tracking this. My version of QEMU starts booting, but
then segfaults.

Interestingly enough, this very patch on its own (on top of 4.2) is
perfectly fine with the same version of QEMU. There is probably some
ugly interaction with something else...

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny.
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#1216311

On 08/31/2015 09:12 AM, Stephen Rothwell wrote:
> Hi Thomas,
>
> On Mon, 31 Aug 2015 12:04:37 +0200 (CEST) Thomas Gleixner <tglx@linutronix.de> wrote:
>>
>> Marc Zyngier (23):
>>        irqchip/GIC: Convert to EOImode == 1
>
> This appears to lead to qemu arm boot tests silently failing (according
> to Guenter).  This commit only appeared in next-20150831.
>

I think we really need more time between patches showing up in -next and
being pushed upstream. We have several new failures in -next which were
introduced after next-20150828, with this being the most serious one.

Of course, that additional time doesn't help if failures in -next are
known for weeks and still end up in mainline. Not really sure how
to solve that problem.

Guenter

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#1216944

On Mon, 31 Aug 2015, Guenter Roeck wrote:
> On 08/31/2015 09:12 AM, Stephen Rothwell wrote:
> > Hi Thomas,
> > 
> > On Mon, 31 Aug 2015 12:04:37 +0200 (CEST) Thomas Gleixner
> > <tglx@linutronix.de> wrote:
> > > 
> > > Marc Zyngier (23):
> > >        irqchip/GIC: Convert to EOImode == 1
> > 
> > This appears to lead to qemu arm boot tests silently failing (according
> > to Guenter).  This commit only appeared in next-20150831.
> > 
> 
> I think we really need more time between patches showing up in -next and
> being pushed upstream. We have several new failures in -next which were
> introduced after next-20150828, with this being the most serious one.

Sorry about that. I usally let stuff breed long enough in next, but I
made an exception on this one. I tested it on several ARM boards
myself and certainly did not expect that there are still non
devicetree (or ACPI) based systems utilizing the GIC out there. I
certainly did not think about qemu ...

Thanks,

	tglx
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