I am trying to get OpenCL going on the DE0-nano-SoC, I’ve found a linux image that supports OpenCL finally and I am able to run the OpenCL demos shipped with that image, however when I try to run one of my own OpenCL programs I get the following error, so far my best guess is version mismatch in the libraries.
symbol lookup error: /home/root/opencl_arm32_rte/host/arm32/lib/libalteracl.so: undefined symbol: acl_hal_get_system_definition
If I grab the libraries from the shipped image and try to re-compile my host code aginst those I get a similar error:
libalteracl.so: undefined reference to `acl_hal_get_system_definition'
Any Ideas how I can get around this or what’s going on?
Similarly, I’ve been trying to get a custom image running using yocto, however so far I haven’t been successful. I can boot and run the init_opencl script which successfully inserts the aclsoc_drv. however when I try and run my program I get an error that hangs the system requiring a restart:
root@cyclone5:~# ./run_program
[ 97.092354] Unhandled fault: imprecise external abort (0x406) at 0xbef4be34
[ 97.099286] pgd = eeeec000
[ 97.101980] [bef4be34] *pgd=2e7f1831, *pte=2df6c75f, *ppte=2df6cc7f
[ 97.108256] Internal error: : 406 [#1] SMP ARM
[ 97.112679] Modules linked in: aclsoc_drv(O)
[ 97.116957] CPU: 1 PID: 808 Comm: host_pes_intel Tainted: G O 4.3.0-altera #1
[ 97.125181] Hardware name: Altera SOCFPGA
[ 97.129174] task: eef18000 ti: ee7e4000 task.ti: ee7e4000
[ 97.134556] PC is at aclsoc_rw+0x1f8/0x42c [aclsoc_drv]
[ 97.139760] LR is at aclsoc_rw+0x1c8/0x42c [aclsoc_drv]
[ 97.144964] pc : [<bf000ec4>] lr : [<bf000e94>] psr: 200e0013
[ 97.144964] sp : ee7e5e48 ip : 00004bda fp : ee7e5ec4
[ 97.156386] r10: 00000001 r9 : 00000002 r8 : eec34000
[ 97.161587] r7 : 00000008 r6 : 00000000 r5 : f020c870 r4 : f020c870
[ 97.168083] r3 : 00000000 r2 : c07ca100 r1 : 00000000 r0 : ffffb0bb
[ 97.174581] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 97.181682] Control: 10c5387d Table: 2eeec04a DAC: 00000051
[ 97.187401] Process host_pes_intel (pid: 808, stack limit = 0xee7e4218)
[ 97.193984] Stack: (0xee7e5e48 to 0xee7e6000)
[ 97.198325] 5e40: ee7e5e7c 00000001 00000000 00000000 ee7e4000 eed8d634
[ 97.206469] 5e60: 00000000 eec34000 00000000 00000008 00000008 bef4c468 eee77910 00000000
[ 97.214611] 5e80: 00000002 00000000 0000c870 bef4c468 00000008 00000000 ee50e9c0 ee50e9c0
[ 97.222754] 5ea0: bf0010f8 ee7e5f80 00000018 c000fe04 ee7e4000 00000000 ee7e5edc ee7e5ec8
[ 97.230896] 5ec0: bf00111c bf000cd8 00000001 ee9eb5d8 ee7e5f4c ee7e5ee0 c0128bd4 bf001104
[ 97.239038] 5ee0: 00000000 00000000 00000000 ee7e5ef0 eee52300 eed74d40 00000000 c0146730
[ 97.247182] 5f00: 00000001 c01377f8 c07cad34 ee460000 ee50e9c0 c012942c 00000020 eeeac478
[ 97.255323] 5f20: ee50e9c8 c0146a2c bef4c410 ee50e9c0 ee7e5f80 00000018 c000fe04 ee7e4000
[ 97.263465] 5f40: ee7e5f7c ee7e5f50 c0129448 c0128ba4 c0139a14 c01469bc ee50e9c0 ee50e9c0
[ 97.271607] 5f60: bef4c410 00000018 c000fe04 ee7e4000 ee7e5fa4 ee7e5f80 c0129d5c c01293cc
[ 97.279748] 5f80: 00000000 00000000 b5916124 00020658 b619e000 00000003 00000000 ee7e5fa8
[ 97.287891] 5fa0: c000fc40 c0129d14 b5916124 00020658 00000003 bef4c410 00000018 bef4c410
[ 97.296035] 5fc0: b5916124 00020658 b619e000 00000003 0001ff48 b6eeacd0 0001ff88 b619e408
[ 97.304176] 5fe0: 00000000 bef4c3fc b5902865 b56633a0 600e0010 00000003 00000000 00000000
[ 97.312330] [<bf000ec4>] (aclsoc_rw [aclsoc_drv]) from [<bf00111c>] (aclsoc_read+0x24/0x2c [aclsoc_drv])
[ 97.321778] [<bf00111c>] (aclsoc_read [aclsoc_drv]) from [<c0128bd4>] (__vfs_read+0x3c/0xe4)
[ 97.330183] [<c0128bd4>] (__vfs_read) from [<c0129448>] (vfs_read+0x88/0x114)
[ 97.337290] [<c0129448>] (vfs_read) from [<c0129d5c>] (SyS_read+0x54/0xb0)
[ 97.344145] [<c0129d5c>] (SyS_read) from [<c000fc40>] (ret_fast_syscall+0x0/0x3c)
[ 97.351598] Code: e3a06000 ea000007 e5943000 f57ff04f (e5883000)
[ 97.357664] ---[ end trace 469ffa07e79f531b ]---
[ 97.362823] aclsoc_close (191):
[ 97.365887] aclsoc = eed8d600, pid = 808, dma_idle = 1[ 97.371011]