Further investigation found that ret = drmIoctl(bufmgr_gem->fd,
DRM_IOCTL_I915_GEM_USERPTR, &userptr) (at libdrm
intel/intel_bufmgr_gem.c:895) was failing with EINVAL, but it's not
obvious what's invalid about the parameters.
vload_test_int() [SUCCESS]
vload_test_float() [SUCCESS]
runtime_use_host_ptr_buffer()
Breakpoint 1, drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1738000,
tiling_mode=0, stride=0, size=1642496, flags=0)
at ../../intel/intel_bufmgr_gem.c:881
881 in ../../intel/intel_bufmgr_gem.c
(gdb) c
Continuing.
[SUCCESS]
runtime_alloc_host_ptr_buffer()
Breakpoint 1, drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1736000,
tiling_mode=0, stride=0, size=1638400, flags=0)
at ../../intel/intel_bufmgr_gem.c:881
881 in ../../intel/intel_bufmgr_gem.c
(gdb) print errno
$22 = 2
(gdb) step
884 in ../../intel/intel_bufmgr_gem.c
(gdb) step
885 in ../../intel/intel_bufmgr_gem.c
(gdb) step
884 in ../../intel/intel_bufmgr_gem.c
(gdb) step
885 in ../../intel/intel_bufmgr_gem.c
(gdb) step
888 in ../../intel/intel_bufmgr_gem.c
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
890 in ../../intel/intel_bufmgr_gem.c
(gdb) step
memset (__len=24, __ch=0, __dest=0x7fffffffd620)
at /usr/include/x86_64-linux-gnu/bits/string3.h:84
warning: Source file is more recent than executable.
84 return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
(gdb) step
drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1736000,
tiling_mode=<optimized out>, stride=0, size=1638400, flags=0)
at ../../intel/intel_bufmgr_gem.c:893
893 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
890 in ../../intel/intel_bufmgr_gem.c
(gdb) step
memset (__len=24, __ch=0, __dest=0x7fffffffd620)
at /usr/include/x86_64-linux-gnu/bits/string3.h:84
84 return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
(gdb) step
drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1736000,
tiling_mode=<optimized out>, stride=0, size=1638400, flags=0)
at ../../intel/intel_bufmgr_gem.c:891
891 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) step
892 in ../../intel/intel_bufmgr_gem.c
(gdb) step
893 in ../../intel/intel_bufmgr_gem.c
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
898 in ../../intel/intel_bufmgr_gem.c
(gdb) print errno
$23 = 22
(gdb) print ret
$24 = -1
(gdb) print userptr
$25 = {user_ptr = 24338432, user_size = 1638400, flags = 0, handle = 0}
(gdb) print 0x1736000
$26 = 24338432
(gdb) c
Continuing.
Breakpoint 1, drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1736000,
tiling_mode=0, stride=0, size=1638400, flags=2147483648)
at ../../intel/intel_bufmgr_gem.c:881
881 in ../../intel/intel_bufmgr_gem.c
(gdb) print errno
$27 = 22
(gdb) step
884 in ../../intel/intel_bufmgr_gem.c
(gdb) step
885 in ../../intel/intel_bufmgr_gem.c
(gdb) step
884 in ../../intel/intel_bufmgr_gem.c
(gdb) step
885 in ../../intel/intel_bufmgr_gem.c
(gdb) step
888 in ../../intel/intel_bufmgr_gem.c
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
890 in ../../intel/intel_bufmgr_gem.c
(gdb) step
memset (__len=24, __ch=0, __dest=0x7fffffffd620)
at /usr/include/x86_64-linux-gnu/bits/string3.h:84
84 return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
(gdb) step
drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1736000,
tiling_mode=<optimized out>, stride=0, size=1638400, flags=2147483648)
at ../../intel/intel_bufmgr_gem.c:893
893 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
890 in ../../intel/intel_bufmgr_gem.c
(gdb) step
memset (__len=24, __ch=0, __dest=0x7fffffffd620)
at /usr/include/x86_64-linux-gnu/bits/string3.h:84
84 return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
(gdb) step
drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x1736000,
tiling_mode=<optimized out>, stride=0, size=1638400, flags=2147483648)
at ../../intel/intel_bufmgr_gem.c:891
891 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) step
892 in ../../intel/intel_bufmgr_gem.c
(gdb) step
893 in ../../intel/intel_bufmgr_gem.c
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
898 in ../../intel/intel_bufmgr_gem.c
(gdb) print ret
$28 = -1
(gdb) print errno
$29 = 1
(gdb) print userptr
$30 = {user_ptr = 24338432, user_size = 1638400, flags = 2147483648,
handle = 0}
(gdb) c
Continuing.
utest_run:
/home/rnpalmer/Debian/builds/stackbuild/beignet/src/cl_mem.c:1073:
cl_mem_delete: Assertion `mem->ctx' failed.
Program received signal SIGABRT, Aborted.
0x00007ffff5560107 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) quit
A debugging session is active.
Inferior 1 [process 3049] will be killed.
Quit anyway? (y or n) y
test1@rnpalmer-laptop:/home/rnpalmer/Debian/builds/stackbuild/beignet/build/utes
ts$ gdb --args ./utest_run -c runtime_alloc_host_ptr_buffer
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./utest_run...done.
(gdb) break intel_bufmgr_gem.c:881
No source file named intel_bufmgr_gem.c.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (intel_bufmgr_gem.c:881) pending.
(gdb) run
Starting program:
/home/rnpalmer/Debian/builds/stackbuild/beignet/build/utests/utest_run
-c runtime_alloc_host_ptr_buffer
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
platform number 1
platform_profile "FULL_PROFILE"
platform_name "Intel Gen OCL Driver"
platform_vendor "Intel"
platform_version "OpenCL 1.2 beignet 1.0.1"
platform_extensions "cl_khr_global_int32_base_atomics
cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics
cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store
cl_khr_icd"
Breakpoint 1, drm_intel_gem_bo_alloc_userptr (bufmgr=0x644c50,
name=0x7ffff7368a63 "CL memory object", addr=0x655000, tiling_mode=0,
stride=0, size=4096, flags=0) at ../../intel/intel_bufmgr_gem.c:881
881 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) c
Continuing.
device_profile "FULL_PROFILE"
device_name "Intel(R) HD Graphics IvyBridge M GT2"
device_vendor "Intel"
device_version "OpenCL 1.2 beignet 1.0.1"
device_extensions "cl_khr_global_int32_base_atomics
cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics
cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store
cl_khr_icd"
device_opencl_c_version "OpenCL C 1.2 beignet 1.0.1"
Breakpoint 1, drm_intel_gem_bo_alloc_userptr (bufmgr=0x644c70,
name=0x7ffff7368a63 "CL memory object", addr=0x655000, tiling_mode=0,
stride=0, size=4096, flags=0) at ../../intel/intel_bufmgr_gem.c:881
881 in ../../intel/intel_bufmgr_gem.c
(gdb) c
Continuing.
21 image formats are supported
[CL_R CL_UNORM_INT8]
[CL_R CL_UNORM_INT16]
[CL_R CL_SIGNED_INT8]
[CL_R CL_SIGNED_INT16]
[CL_R CL_SIGNED_INT32]
[CL_R CL_UNSIGNED_INT8]
[CL_R CL_UNSIGNED_INT16]
[CL_R CL_UNSIGNED_INT32]
[CL_R CL_HALF_FLOAT]
[CL_R CL_FLOAT]
[CL_RGBA CL_UNORM_INT8]
[CL_RGBA CL_UNORM_INT16]
[CL_RGBA CL_SIGNED_INT8]
[CL_RGBA CL_SIGNED_INT16]
[CL_RGBA CL_SIGNED_INT32]
[CL_RGBA CL_UNSIGNED_INT8]
[CL_RGBA CL_UNSIGNED_INT16]
[CL_RGBA CL_UNSIGNED_INT32]
[CL_RGBA CL_HALF_FLOAT]
[CL_RGBA CL_FLOAT]
[CL_BGRA CL_UNORM_INT8]
runtime_alloc_host_ptr_buffer()
Breakpoint 1, drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x6e3000,
tiling_mode=0, stride=0, size=1638400, flags=0)
at ../../intel/intel_bufmgr_gem.c:881
881 in ../../intel/intel_bufmgr_gem.c
(gdb) step
884 in ../../intel/intel_bufmgr_gem.c
(gdb) print errno
$1 = 2
(gdb) step
885 in ../../intel/intel_bufmgr_gem.c
(gdb) step
884 in ../../intel/intel_bufmgr_gem.c
(gdb) step
885 in ../../intel/intel_bufmgr_gem.c
(gdb) step
888 in ../../intel/intel_bufmgr_gem.c
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
890 in ../../intel/intel_bufmgr_gem.c
(gdb) step
memset (__len=24, __ch=0, __dest=0x7fffffffd600)
at /usr/include/x86_64-linux-gnu/bits/string3.h:84
warning: Source file is more recent than executable.
84 return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
(gdb) step
drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x6e3000,
tiling_mode=<optimized out>, stride=0, size=1638400, flags=0)
at ../../intel/intel_bufmgr_gem.c:893
893 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
890 in ../../intel/intel_bufmgr_gem.c
(gdb) step
memset (__len=24, __ch=0, __dest=0x7fffffffd600)
at /usr/include/x86_64-linux-gnu/bits/string3.h:84
84 return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
(gdb) step
drm_intel_gem_bo_alloc_userptr (bufmgr=0x645080,
name=0x7ffff7368a4a "CL userptr memory object", addr=0x6e3000,
tiling_mode=<optimized out>, stride=0, size=1638400, flags=0)
at ../../intel/intel_bufmgr_gem.c:891
891 ../../intel/intel_bufmgr_gem.c: No such file or directory.
(gdb) step
892 in ../../intel/intel_bufmgr_gem.c
(gdb) step
893 in ../../intel/intel_bufmgr_gem.c
(gdb) step
895 in ../../intel/intel_bufmgr_gem.c
(gdb) step
898 in ../../intel/intel_bufmgr_gem.c
(gdb) print ret
$2 = 0
(gdb) print errno
$3 = 2
(gdb) print userptr
$4 = {user_ptr = 7221248, user_size = 1638400, flags = 0, handle = 2}
(gdb) print 0x6e3000
$5 = 7221248
(gdb) c
Continuing.
[SUCCESS]
summary:
----------
total: 710
run: 1
pass: 1
fail: 0
pass rate: 1.000000
[Inferior 1 (process 3061) exited normally]
(gdb)
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