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      <base href="https://bugs.freedesktop.org/" />
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    <body>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - bfgminer --scyte generates Segmentation Fault on Northern Island"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=64225#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - bfgminer --scyte generates Segmentation Fault on Northern Island"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=64225">bug 64225</a>
              from <span class="vcard"><a class="email" href="mailto:alexxy@gentoo.org" title="Alexey Shvetsov <alexxy@gentoo.org>"> <span class="fn">Alexey Shvetsov</span></a>
</span></b>
        <pre>It still dont work with recent mesa and llvm git

 [2013-08-29 20:56:21] setrlimit: Increased soft fd limit from 1024 to hard
limit of 4096                    
 [2013-08-29 20:56:21] Started bfgminer 3.1.4                    
 [2013-08-29 20:56:21] DISPLAY not set, setting :0 just in case                 
 [2013-08-29 20:56:21] CL Platform 0 vendor: Mesa                    
 [2013-08-29 20:56:21] CL Platform 0 name: Default                    
 [2013-08-29 20:56:21] CL Platform 0 version: OpenCL 1.1 MESA 9.3.0-devel       
 [2013-08-29 20:56:21] Platform 0 devices: 2                    
 [2013-08-29 20:56:21]  0       AMD TURKS                    
 [2013-08-29 20:56:21]  1       AMD TURKS                    
 [2013-08-29 20:56:21] OCL 0 : Set temperature config: target=89 cutoff=95      
 [2013-08-29 20:56:21] OCL 1 : Set temperature config: target=89 cutoff=95      
 [2013-08-29 20:56:21] Probing for an alive pool                    
 [2013-08-29 20:56:21] Testing pool stratum+tcp://pool1.us.multipool.us:7777    
 [2013-08-29 20:56:21] Popping work to stage thread                    
 [2013-08-29 20:56:21] HTTP request failed: Protocol stratum+tcp not supported
or disabled in libcurl                    
 [2013-08-29 20:56:21] Failed to connect in json_rpc_call                    
 [2013-08-29 20:56:21] initiate_stratum with sockbuf=(nil)                    
 [2013-08-29 20:56:22] Failed to get sessionid in initiate_stratum              
 [2013-08-29 20:56:22] Pool 0 stratum bdifficulty set to 64.000000              
 [2013-08-29 20:56:22] Received stratum notify from pool 0 with job_id=4e0f     
 [2013-08-29 20:56:22] Stratum authorisation success for pool 0                 
 [2013-08-29 20:56:22] Pool 0 stratum+tcp://pool1.us.multipool.us:7777 alive    
 [2013-08-29 20:56:22] Unknown stratum msg: {"error": [-3, "Method
'get_transactions' not found for service 'mining'", null], "id": "txlist4e0f",
"result": null}                    
 [2013-08-29 20:56:22] Generated stratum header
0000000425d2a29aee3cbacad8a94ec98838e2c112a991a55047ea9514de3bd500000000e389da9ba502304db2025736ebf8d700e1f30aa1d04985669f44de3bdc612bb6521f7d141c2d346300000000 
 [2013-08-29 20:56:22] Work job_id 4e0f nonce2 00000000                    
 [2013-08-29 20:56:22] Generated target
000003fffc000000000000000000000000000000000000000000000000000000                
 [2013-08-29 20:56:22] Network difficulty changed to 5 (40.54Mh/s)              
 [2013-08-29 20:56:22] New block: ...ee3cbaca25d2a29a diff 5 (40.54Mh/s)        
 [2013-08-29 20:56:22] Stratum from pool 0 detected new block                   
 [2013-08-29 20:56:22] Pool 0 is hiding block contents from us                  
 [2013-08-29 20:56:22] Init GPU thread 0 GPU 0 virtual GPU 0                    
 [2013-08-29 20:56:22] CL Platform vendor: Mesa                    
 [2013-08-29 20:56:22] CL Platform name: Default                    
 [2013-08-29 20:56:22] CL Platform version: OpenCL 1.1 MESA 9.3.0-devel         
 [2013-08-29 20:56:22] List of devices:                    
 [2013-08-29 20:56:22]  0       AMD TURKS                    
 [2013-08-29 20:56:22]  1       AMD TURKS                    
 [2013-08-29 20:56:22] Selected 0: AMD TURKS                    
 [2013-08-29 20:56:22] Preferred vector width reported 4                    
 [2013-08-29 20:56:22] Max work group size reported 256                    
 [2013-08-29 20:56:22] Max mem alloc size is 50331648                    
 [2013-08-29 20:56:22] Mesa OpenCL platform detected, disabling OpenCL kernel
binaries and bitalign                    
 [2013-08-29 20:56:22] Selecting scrypt kernel                    
 [2013-08-29 20:56:22] GPU 0: selecting lookup gap of 2                    
 [2013-08-29 20:56:22] GPU 0: selecting thread concurrency of 320               
 [2013-08-29 20:56:22] OCL 0: Configured OpenCL kernel name:
scrypt130511AMDTURKSglg2tc320w256l8pOpenCL1_1MESA9_3_0devel                    
 [2013-08-29 20:56:22] Setting worksize to 256                    
 [2013-08-29 20:56:22] cl_amd_media_ops not found, will not set BITALIGN        
 [2013-08-29 20:56:22] BFI_INT patch requiring device not found, will not
BFI_INT patch                    
 [2013-08-29 20:56:22] CompilerOptions: -D LOOKUP_GAP=2 -D
CONCURRENT_THREADS=320 -D WORKSIZE=256 -D GOFFSET                    
 [2013-08-29 20:56:23] Initialising kernel scrypt130511.cl without bitalign, 1
vectors and worksize 256                    
 [2013-08-29 20:56:23] Creating scrypt buffer sized 20971520                    
 [2013-08-29 20:56:23] initCl() finished. Found AMD TURKS                    
 [2013-08-29 20:56:23] Waking up thread 0                    
 [2013-08-29 20:56:23] Init GPU thread 1 GPU 1 virtual GPU 1                    
 [2013-08-29 20:56:23] CL Platform vendor: Mesa                    
 [2013-08-29 20:56:23] CL Platform name: Default                    
 [2013-08-29 20:56:23] CL Platform version: OpenCL 1.1 MESA 9.3.0-devel         
 [2013-08-29 20:56:23] List of devices:                    
 [2013-08-29 20:56:23]  0       AMD TURKS                    
 [2013-08-29 20:56:23]  1       AMD TURKS                    
 [2013-08-29 20:56:23] Selected 1: AMD TURKS                    
 [2013-08-29 20:56:23] Popping ping in miner thread                    
 [2013-08-29 20:56:23] OCL 0: Popping work from get queue to get work           
 [2013-08-29 20:56:23] Preferred vector width reported 4                    
 [2013-08-29 20:56:23] Max work group size reported 256                    
 [2013-08-29 20:56:23] Max mem alloc size is 50331648                    
 [2013-08-29 20:56:23] Mesa OpenCL platform detected, disabling OpenCL kernel
binaries and bitalign                    
 [2013-08-29 20:56:23] Selecting scrypt kernel                    
 [2013-08-29 20:56:23] GPU 1: selecting lookup gap of 2                    
 [2013-08-29 20:56:23] GPU 1: selecting thread concurrency of 320               
 [2013-08-29 20:56:23] OCL 1: Configured OpenCL kernel name:
scrypt130511AMDTURKSglg2tc320w256l8pOpenCL1_1MESA9_3_0devel                    
 [2013-08-29 20:56:23] Setting worksize to 256                    
 [2013-08-29 20:56:23] cl_amd_media_ops not found, will not set BITALIGN        
 [2013-08-29 20:56:23] BFI_INT patch requiring device not found, will not
BFI_INT patch                    
 [2013-08-29 20:56:23] CompilerOptions: -D LOOKUP_GAP=2 -D
CONCURRENT_THREADS=320 -D WORKSIZE=256 -D GOFFSET                    
 [2013-08-29 20:56:25] Initialising kernel scrypt130511.cl without bitalign, 1
vectors and worksize 256                    
 [2013-08-29 20:56:25] Creating scrypt buffer sized 20971520                    
 [2013-08-29 20:56:25] initCl() finished. Found AMD TURKS                    
 [2013-08-29 20:56:25] Waking up thread 1                    
 [2013-08-29 20:56:25] 2 gpu miner threads started                    
 [2013-08-29 20:56:25] Creating extra submit work thread                    
 [2013-08-29 20:56:25] Popping ping in miner thread                    
 [2013-08-29 20:56:25] OCL 1: Popping work from get queue to get work           
 [2013-08-29 20:56:25] API not running - API will not be available              
 [2013-08-29 20:56:25] Generated stratum header
0000000425d2a29aee3cbacad8a94ec98838e2c112a991a55047ea9514de3bd5000000006c5e7f0b83c40ac268481321cd66902b5539da7ef2e2a4b1477af7667f0a1e0f521f7d161c2d346300000000 
 [2013-08-29 20:56:25] Work job_id 4e0f nonce2 01000000                    
 [2013-08-29 20:56:25] Generated target
000003fffc000000000000000000000000000000000000000000000000000000                
 [2013-08-29 20:56:25] Generated stratum work                    
 [2013-08-29 20:56:25] Pushing work from pool 0 to hash queue                   
 [2013-08-29 20:56:25] OCL 1: Got work from get queue to get work for thread 1  
 [2013-08-29 20:56:25] Generated stratum header
0000000425d2a29aee3cbacad8a94ec98838e2c112a991a55047ea9514de3bd500000000df55dd8a87fcf4a791fe03fb2f19a1d1464dbf88413ce7f95e9fb05bf6ffa282521f7d161c2d346300000000 
 [2013-08-29 20:56:25] Work job_id 4e0f nonce2 02000000                    
 [2013-08-29 20:56:25] Generated target
000003fffc000000000000000000000000000000000000000000000000000000                
 [2013-08-29 20:56:25] Generated stratum work                    
 [2013-08-29 20:56:25] Pushing work from pool 0 to hash queue                   
 [2013-08-29 20:56:25] OCL 0: Got work from get queue to get work for thread 0  
 [2013-08-29 20:56:25] Generated stratum header
0000000425d2a29aee3cbacad8a94ec98838e2c112a991a55047ea9514de3bd50000000004ddb06683b94187f143c27cdf13175967356b28b33cf78b0aded8ebf74af945521f7d161c2d346300000000 
 [2013-08-29 20:56:25] Work job_id 4e0f nonce2 03000000                    
 [2013-08-29 20:56:25] Generated target
000003fffc000000000000000000000000000000000000000000000000000000                
 [2013-08-29 20:56:25] Generated stratum work                    
 [2013-08-29 20:56:25] Pushing work from pool 0 to hash queue                   
 [2013-08-29 20:56:25] Generated stratum header
0000000425d2a29aee3cbacad8a94ec98838e2c112a991a55047ea9514de3bd500000000c7e7ca6233d52650ad4fe9aaa033f8d90ecd855d8ffa908d7aa32d76a183654b521f7d161c2d346300000000 
 [2013-08-29 20:56:25] Work job_id 4e0f nonce2 04000000                    
 [2013-08-29 20:56:25] Generated target
000003fffc000000000000000000000000000000000000000000000000000000                
 [2013-08-29 20:56:25] Generated stratum work                    
 [2013-08-29 20:56:25] Pushing work from pool 0 to hash queue                   
LLVM ERROR: Not supported instr: <MCInst 286 <MCOperand Reg:1103> <MCOperand
Reg:975> <MCOperand Imm:1> <MCOperand Imm:0>>
LLVM ERROR: Not supported instr: <MCInst 286 <MCOperand Reg:1103> <MCOperand
Reg:975> <MCOperand Imm:1> <MCOperand Imm:0>>
Segmentation fault</pre>
        </div>
      </p>
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