linux-kernel - Re: [Bugfix v3] PCI, ACPI: Fix regressions caused by resource_size

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Message-ID: <559107F2.3080701@pr.hu>
Date:	Mon, 29 Jun 2015 10:55:14 +0200
From:	Boszormenyi Zoltan <zboszor@...hu>
To:	Ingo Molnar <mingo@...nel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, "x86 @ kernel . org" <x86@...nel.org>
Subject: Re: [Bugfix v3] PCI, ACPI: Fix regressions caused by resource_size_t
 overflow with 32-bit kernel

2015-06-24 12:18 keltezéssel, Ingo Molnar írta:
> * Jiang Liu <jiang.liu@...ux.intel.com> wrote:
>
>> A regression report from Boszormenyi Zoltan <zboszor@...hu>:
>> There's a Realtek RTL8111/8168/8411 (PCI ID 10ec:8168, Subsystem ID 1565:230e)
>> network chip on the mainboard. After the r8169 driver loaded, the IRQs in
>> the machine went berserk. Keyboard keypressed arrived with considerable
>> latency and duplicated, so no real work was possible. The machine responded
>> to the power button but didn't actually power down. It just stuck at the
>> powering down message. I had to press the power button for 4 seconds to power
>> it down.
>>
>> The computer is a POS machine with a big battery inside. Because of this,
>> either ACPI or the Realtek chip kept the bad state and after rebooting, the
>> network chip didn't even show up in lspci. Not even the PXE ROM announced
>> itself during boot. I had to disconnect the battery to beat some sense back
>> to the computer.
>>
>> The regression happens with 4.0.5, 4.1.0-rc8 and 4.1.0-final. 3.18.16 was
>> good.
> So please put this into quotes, like:
>
> ===============
> Zoltan Boszormenyi reported this regression:
>
>   "There's a Realtek RTL8111/8168/8411 (PCI ID 10ec:8168, Subsystem ID 1565:230e)
>    network chip on the mainboard. After the r8169 driver loaded, the IRQs in
>    the machine went berserk. Keyboard keypressed arrived with considerable
>    latency and duplicated, so no real work was possible. The machine responded
>    to the power button but didn't actually power down. It just stuck at the
>    powering down message. I had to press the power button for 4 seconds to power
>    it down.
>  
>    The computer is a POS machine with a big battery inside. Because of this,
>    either ACPI or the Realtek chip kept the bad state and after rebooting, the
>    network chip didn't even show up in lspci. Not even the PXE ROM announced
>    itself during boot. I had to disconnect the battery to beat some sense back
>    to the computer.
>  
>    The regression happens with 4.0.5, 4.1.0-rc8 and 4.1.0-final. 3.18.16 was
>    good."
>
> ...
> ===============
>
> Also note the indentation, that helps readability.
>
> Thanks,
>
> 	Ingo

So, will there be a v4 with a commit message satisfactory to Ingo
that will be part of 4.0.7/4.1.1 and 4.2?

Best regards,
Zoltán

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