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Date: Tue, 14 Jul 2015 13:22:08 -0400
From: Joseph Salisbury <joseph.salisbury@canonical.com>
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To: Jiang Liu <jiang.liu@linux.intel.com>
CC: konrad.wilk@oracle.com, tony.luck@intel.com, joro@8bytes.org,
        Greg KH <gregkh@linuxfoundation.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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        Yinghai Lu <yinghai@kernel.org>, bp@alien8.de, len.brown@intel.com,
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        LKML <linux-kernel@vger.kernel.org>, mingo@redhat.com, hpa@zytor.com,
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Subject: Re: Subject:  [v3.19 Regression] x86, irq, acpi: Get rid of special
 handling of GSI for ACPI SCI
References: <55A4132B.4030801@canonical.com> <55A47716.9070605@linux.intel.com>
In-Reply-To: <55A47716.9070605@linux.intel.com>
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On 07/13/2015 10:42 PM, Jiang Liu wrote:
> On 2015/7/14 3:36, Joseph Salisbury wrote:
>> Hello Jiang,
>>
>> A kernel bug report was opened against Ubuntu [0]. It was found that
>> reverting the following commit resolves this bug:
>>
>> commit cd68f6bd53cf89d1d5ed889b8af65e9c3574a079
>> Author: Jiang Liu <jiang.liu@linux.intel.com>
>> Date:   Mon Oct 27 16:11:52 2014 +0800
>>
>>     x86, irq, acpi: Get rid of special handling of GSI for ACPI SCI
>>
>> The regression was introduced as of v3.19-rc1.
>>     
>> I was hoping to get your feedback, since you are the patch author.  Do
>> you think gathering any additional data will help diagnose this issue,
>> or would it be best to submit a revert request?
> Hi Joseph,
> 	Sorry for the trouble. It would be great if we could get
> more information about the bug, such as bug report info, dmesg and
> acpidump from the reporting system.
> Thanks!
> Gerry
Comments 3 and 4 have the requested information in the bugzilla bug:
https://bugzilla.kernel.org/show_bug.cgi?id=101301

Thanks again for the help!

Joe