Hi, just trying to run cgminer on Ubuntu 13.10 with two GPUs and getting core dump. I've run it in gdb and here's the place where it's crashing:
[2013-10-30 12:36:30] Init GPU thread 0 GPU 0 virtual GPU 0
[2013-10-30 12:36:30] CL Platform vendor: Advanced Micro Devices, Inc.
[2013-10-30 12:36:30] CL Platform name: AMD Accelerated Parallel Processing
[2013-10-30 12:36:30] CL Platform version: OpenCL 1.2 AMD-APP (1214.3)
[2013-10-30 12:36:30] List of devices:
[2013-10-30 12:36:30] 0 Cypress
[2013-10-30 12:36:30] 1 Cedar
[2013-10-30 12:36:30] Selected 0: Cypress
[New Thread 0xb00fdb40 (LWP 10115)]
[2013-10-30 12:36:30] Preferred vector width reported 4
[2013-10-30 12:36:30] Max work group size reported 256
[2013-10-30 12:36:30] Max mem alloc size is 536870912
[2013-10-30 12:36:30] Selecting scrypt kernel
[2013-10-30 12:36:30] GPU 0: selecting lookup gap of 2
[2013-10-30 12:36:30] GPU 0: selecting thread concurrency of 4032
[2013-10-30 12:36:30] No binary found, generating from source
[2013-10-30 12:36:30] Setting worksize to 64
[2013-10-30 12:36:30] cl_amd_media_ops found, setting BITALIGN
[2013-10-30 12:36:30] BFI_INT patch requiring device found, patched source with BFI_INT
[2013-10-30 12:36:30] CompilerOptions: -D LOOKUP_GAP=2 -D CONCURRENT_THREADS=4032 -D WORKSIZE=64 -D BITALIGN -D BFI_INT -D GOFFSET
[2013-10-30 12:36:53] Binary size for gpu 0 found in binary slot 0: 669956
[2013-10-30 12:36:53] At 0x92b1680 (4290307980 rem. bytes), to begin patching
Program received signal SIGSEGV, Segmentation fault.
0x08090dd5 in patch_opcodes (w=0x92b1680 <Address 0x92b1680 out of bounds>, remaining=8) at ocl.c:179
179 int clamp = (*opcode >> (32 + 31)) & 0x1;
(gdb) bt
#0 0x08090dd5 in patch_opcodes (w=0x92b1680 <Address 0x92b1680 out of bounds>, remaining=8) at ocl.c:179
#1 0x080944bc in initCl (gpu=0, name=0xbfffd14c "Cypress", nameSize=256) at ocl.c:737
#2 0x0808f1ad in opencl_thread_prepare (thr=0x811f230) at driver-opencl.c:1336
#3 0x08070c14 in main (argc=1, argv=0xbffff694) at cgminer.c:8125
I realize it should go to the cgminer support forum... but as a new user I can't post there.
