I guess "i" is used unitialized, so it set to sum garbage value On Mon, Feb 6, 2017 at 2:23 PM, Dave Barach (dbarach) <dbar...@cisco.com> wrote:
> Dear Juan, > > > > Bitmaps are dense byte vectors. You’re asking clib_bitmap_set to create a > bitmap that’s 290,984,198,272 bytes (290gb) in size. The main heap is > likely 3gb, and cannot exceed 4gb unless you build an image with CLIB_VEC64 > > 1. Please don’t go there. > > > > If you need a sparse structure, try using a hash table. > > > > #6 clib_bitmap_set (value=1, i=2327873586176, ai=0x0) at > /usr/include/vppinfra/bitmap.h:177 > > > > Thanks… Dave > > > > *From:* vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] *On > Behalf Of *Juan Salmon > *Sent:* Monday, February 6, 2017 8:09 AM > *To:* vpp-dev@lists.fd.io > *Subject:* [vpp-dev] memory allocation fail in clib_bitmap > > > > Hi, > > I want to use VPP clib_bitmap but when the "i" value is more than 32 bit, > it fails to allocate memory. > > *There is my code:* > uword i; > clib_bitmap_set ( base_ptr->bitmap_block_map, i , 1); > > *and the back trace report:* > > The target endianness is set automatically (currently little endian) > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > [New Thread 0x7ffdc0231700 (LWP 44436)] > [New Thread 0x7ffdbfa30700 (LWP 44437)] > [New Thread 0x7ffdbf22f700 (LWP 44438)] > bt > #0 0x00007ffff5804c37 in __GI_raise (sig=sig@entry=6) at > ../nptl/sysdeps/unix/sysv/linux/raise.c:56 > #1 0x00007ffff5808028 in __GI_abort () at abort.c:89 > #2 0x000000000059f3fe in os_panic () at /root/src/build-data/../vpp/ > vnet/main.c:330 > #3 0x00007ffff66f6ea5 in clib_mem_alloc_aligned_at_offset > (os_out_of_memory_on_failure=1, align_offset=<optimized out>, align=8, > size=<optimized out>) at /root/src/build-data/../ > vppinfra/vppinfra/mem.h:102 > #4 vec_resize_allocate_memory (v=v@entry=0x0, > length_increment=36373024785, data_bytes=<optimized out>, > header_bytes=<optimized out>, header_bytes@entry=0, > data_align=data_align@entry=8) at /root/src/build-data/../ > vppinfra/vppinfra/vec.c:59 > #5 0x00007ffdf53b105a in _vec_resize (data_align=8, header_bytes=0, > data_bytes=<optimized out>, length_increment=<optimized out>, v=<optimized > out>) at /usr/include/vppinfra/vec.h:142 > #6 clib_bitmap_set (value=1, i=2327873586176, ai=0x0) at > /usr/include/vppinfra/bitmap.h:177 > > Best Regards, > > Juan Salmon. > > _______________________________________________ > vpp-dev mailing list > vpp-dev@lists.fd.io > https://lists.fd.io/mailman/listinfo/vpp-dev >
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