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Subject: Re: [PATCH 4.19 00/42] 4.19.4-stable review
To:     Thomas Voegtle <tv@lio96.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, shuah@kernel.org, patches@kernelci.org,
        ben.hutchings@codethink.co.uk, lkft-triage@lists.linaro.org,
        stable@vger.kernel.org, Chris Wilson <chris@chris-wilson.co.uk>
References: <20181121183147.869199006@linuxfoundation.org>
 <alpine.LSU.2.21.1811222148260.12239@er-systems.de>
 <alpine.LSU.2.21.1811222259160.22493@er-systems.de>
From:   Guenter Roeck <linux@roeck-us.net>
Message-ID: <259dad79-9bed-0b6b-3723-82bf4a0a9603@roeck-us.net>
Date:   Thu, 22 Nov 2018 14:30:58 -0800
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On 11/22/18 2:01 PM, Thomas Voegtle wrote:
> On Thu, 22 Nov 2018, Thomas Voegtle wrote:
> 
>>
>> Doesn't compile for me on OpenSuSE 15.0 (gcc 7.3.1):
>>
>>   CALL    scripts/checksyscalls.sh
>>   DESCEND  objtool
>>   CHK     include/generated/compile.h
>>   CC [M]  drivers/gpu/drm/i915/i915_gem_gtt.o
>> drivers/gpu/drm/i915/i915_gem_gtt.c: In function ‘gen6_dump_ppgtt’:
>> drivers/gpu/drm/i915/i915_gem_gtt.c:1771:41: error: format ‘%llx’ expects
>> argument of type ‘long long unsigned int’, but argument 5 has type ‘long
>> unsigned int’ [-Werror=format=]
>>    seq_printf(m, "\t\t(%03d, %04d) %08llx: ",
>>                                    ~~~~~ ^
>>                                    %08lx
>> cc1: all warnings being treated as errors
>> make[4]: *** [scripts/Makefile.build:306:
>> drivers/gpu/drm/i915/i915_gem_gtt.o] Error 1
>> make[3]: *** [scripts/Makefile.build:546: drivers/gpu/drm/i915] Error 2
>> make[2]: *** [scripts/Makefile.build:546: drivers/gpu/drm] Error 2
>> make[1]: *** [scripts/Makefile.build:546: drivers/gpu] Error 2
>> make: *** [Makefile:1052: drivers] Error 2
>>
>>
>>
>> 4.19.3 is broken for me, too. 4.19.2 is works.
>> 4.20-rc tree works.
>>
>> Config attached.
> 
> 
> quick bisect shows problem is:
> 
> commit 1a25e1a1be71a49ee7f34fb14b5a26191e6cf501
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Thu Oct 25 10:18:22 2018 +0100
> 
>      drm/i915: Mark up GTT sizes as u64
> 
>      commit c58281056a8b26d5d9dc15c19859a7880835ef44 upstream.
> 
> 
> reverted on 4.19.4-rc1 it compiles for me. I guess something is missing here?
> 
AFAICS someone was not careful with the backport. Upstream doesn't have %llx
at that place.

Guenter