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Date: Sat, 05 May 2012 11:57:57 -0300
From: Claudio André <>
Subject: Re: OpenCL printf segment fault problem on 7970?

On 5 maj 2012, at 15:23, myrice <> wrote:
>> I am debugging xsha512-opencl format on 7970. I add #pragma OPENCL
>> EXTENSION cl_amd_printf : enable. However, when I add a printf, it
>> gives a segment fault. The printf works well on AMD CPU. Does anyone
>> also have this problem?
>> Thanks!
>> Dongdong Li
Yes, i have it. I'm sure valid printf fails there with segfault. To 
debug i had to send data to host and printf there.

Valid printf means it works on my GPU and cpu, even when i forgot to use 
KPC=1 LWS=1.


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