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Re: Regression for Power PC in 4.14-rc0 - bisected to commit 31bfdb036f12

From	Larry Finger <Larry.Finger@lwfinger.net>
Newsgroups	linux.kernel
Subject	Re: Regression for Power PC in 4.14-rc0 - bisected to commit 31bfdb036f12
Date	2017-09-14 03:00 +0200
Message-ID	<upqFA-6cM-7@gated-at.bofh.it> (permalink)
References	<upqmd-64c-3@gated-at.bofh.it> <upqmd-64c-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 09/13/2017 07:37 PM, Andrew Donnellan wrote:
> On 14/09/17 10:07, Larry Finger wrote:
>> When booting my PowerBook Aluminum G4, I get a pop-up screen that says "The 
>> system is running in low-graphics  mode. Your screen, graphics card, and input 
>> device settings could not be detected correctly. You will need to configure 
>> these yourself." This is a big-endian 74xx CPU. The lscpu command says it is a 
>> PowerBook5,6 model.
>>
>> This problem has been bisected to commit 31bfdb036f12 ("powerpc: Use 
>> instruction emulation infrastructure to handle alignment faults"). I am 
>> confident of the accuracy of the bisection.
>>
>> Attached is the configuration.
> 
> Try with https://patchwork.ozlabs.org/patch/813153/
> 
> (A selftest for the instruction emulation will make its way upstream eventually...)

That patch does fix my problem. Thanks for the quick response.

Larry

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Re: Regression for Power PC in 4.14-rc0 - bisected to commit  31bfdb036f12 Andrew Donnellan <andrew.donnellan@au1.ibm.com> - 2017-09-14 02:40 +0200
  Re: Regression for Power PC in 4.14-rc0 - bisected to commit  31bfdb036f12 Larry Finger <Larry.Finger@lwfinger.net> - 2017-09-14 03:00 +0200

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