Hi Sirshak,
Try: sudo rm -rf /dev/shm/*
Florin
> On Aug 23, 2018, at 9:09 AM, Sirshak Das <sirshak....@arm.com> wrote:
>
> Hi all,
>
> I am trying to debug a segfault due to of my commits. I usually use the
> release image by building make build-release, but as I am trying to debug, so
> I decided to just do make build
> As ironic as it can be this one does not start up and ends with abort long
> before I start my tests, is this a known problem or am I missing some step (I
> have not done detailed code level debugging, hoping that I am missing
> something trivial).
>
> $ sudo gdb --args ./bin/vpp -c ~/intel-xxv710-DCDC-no-mseg.conf
> Reading symbols from ./bin/vpp...done.
> (gdb) run
> Starting program:
> /home/sirdas/code/commitb/vpp/build-root/build-vpp_debug-native/vpp/bin/vpp
> -c /home/sirdas/intel-xxv710-DCDC-no-mseg.conf
> warning: Unable to determine the number of hardware watchpoints available.
> warning: Unable to determine the number of hardware breakpoints available.
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
> vlib_plugin_early_init:361: plugin path
> /home/sirdas/code/commitb/vpp/build-root/build-vpp_debug-native/vpp/lib/vpp_plugins:/home/sirdas/code/commitb/vpp/build-root/build-vpp_debug-native/vpp/lib64/vpp_plugins
> load_one_plugin:189: Loaded plugin: abf_plugin.so (ACL based Forwarding)
> load_one_plugin:189: Loaded plugin: acl_plugin.so (Access Control Lists)
> load_one_plugin:189: Loaded plugin: avf_plugin.so (Intel Adaptive Virtual
> Function (AVF) Device Plugin)
> load_one_plugin:191: Loaded plugin: cdp_plugin.so
> load_one_plugin:189: Loaded plugin: dpdk_plugin.so (Data Plane Development
> Kit (DPDK))
> load_one_plugin:189: Loaded plugin: flowprobe_plugin.so (Flow per Packet)
> load_one_plugin:189: Loaded plugin: gbp_plugin.so (Group Based Policy)
> load_one_plugin:189: Loaded plugin: gtpu_plugin.so (GTPv1-U)
> load_one_plugin:189: Loaded plugin: igmp_plugin.so (IGMP messaging)
> load_one_plugin:189: Loaded plugin: ila_plugin.so (Identifier-locator
> addressing for IPv6)
> load_one_plugin:189: Loaded plugin: ioam_plugin.so (Inbound OAM)
> load_one_plugin:117: Plugin disabled (default): ixge_plugin.so
> load_one_plugin:189: Loaded plugin: l2e_plugin.so (L2 Emulation)
> load_one_plugin:189: Loaded plugin: lacp_plugin.so (Link Aggregation Control
> Protocol)
> load_one_plugin:189: Loaded plugin: lb_plugin.so (Load Balancer)
> load_one_plugin:189: Loaded plugin: mactime_plugin.so (Time-based MAC
> source-address filter)
> load_one_plugin:189: Loaded plugin: map_plugin.so (Mapping of address and
> port (MAP))
> load_one_plugin:189: Loaded plugin: memif_plugin.so (Packet Memory Interface
> (experimetal))
> load_one_plugin:189: Loaded plugin: nat_plugin.so (Network Address
> Translation)
> load_one_plugin:189: Loaded plugin: pppoe_plugin.so (PPPoE)
> load_one_plugin:189: Loaded plugin: srv6ad_plugin.so (Dynamic SRv6 proxy)
> load_one_plugin:189: Loaded plugin: srv6am_plugin.so (Masquerading SRv6 proxy)
> load_one_plugin:189: Loaded plugin: srv6as_plugin.so (Static SRv6 proxy)
> load_one_plugin:189: Loaded plugin: stn_plugin.so (VPP Steals the NIC for
> Container integration)
> load_one_plugin:189: Loaded plugin: tlsmbedtls_plugin.so (mbedtls based TLS
> Engine)
> load_one_plugin:189: Loaded plugin: tlsopenssl_plugin.so (openssl based TLS
> Engine)
> load_one_plugin:117: Plugin disabled (default): unittest_plugin.so
> svm_map_region:766: region /global_vm mutex held by dead pid 8702, tag 2,
> force unlock
> svm_map_region:774: recovery: attempt to re-lock region
>
> Program received signal SIGABRT, Aborted.
> 0x0000ffffbea70528 in __GI_raise (sig=sig@entry=6) at
> ../sysdeps/unix/sysv/linux/raise.c:54
> 54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> (gdb) bt
> #0 0x0000ffffbea70528 in __GI_raise (sig=sig@entry=6) at
> ../sysdeps/unix/sysv/linux/raise.c:54
> #1 0x0000ffffbea719e0 in __GI_abort () at abort.c:89
> #2 0x0000000000408224 in os_panic () at
> /home/sirdas/code/commitb/vpp/src/vpp/vnet/main.c:331
> #3 0x0000ffffbeba8414 in mspace_malloc (msp=0x3ffff8001010, bytes=52) at
> /home/sirdas/code/commitb/vpp/src/vppinfra/dlmalloc.c:4332
> #4 0x0000ffffbeba7f34 in mspace_get_aligned (msp=0x3ffff8001010,
> n_user_data_bytes=52, align=8, align_offset=8) at
> /home/sirdas/code/commitb/vpp/src/vppinfra/dlmalloc.c:4174
> #5 0x0000ffffbec2041c in clib_mem_alloc_aligned_at_offset (size=48, align=8,
> align_offset=8, os_out_of_memory_on_failure=1) at
> /home/sirdas/code/commitb/vpp/src/vppinfra/mem.h:118
> #6 0x0000ffffbec2089c in vec_resize_allocate_memory (v=0x3ffff800213c,
> length_increment=1, data_bytes=48, header_bytes=8, data_align=8) at
> /home/sirdas/code/commitb/vpp/src/vppinfra/vec.c:84
> #7 0x0000ffffbec7a350 in _vec_resize_inline (v=0x3ffff800213c,
> length_increment=1, data_bytes=40, header_bytes=0, data_align=8) at
> /home/sirdas/code/commitb/vpp/src/vppinfra/vec.h:145
> #8 0x0000ffffbec7d298 in svm_map_region (a=0xffff7edffe50) at
> /home/sirdas/code/commitb/vpp/src/svm/svm.c:778
> #9 0x0000ffffbec7d4fc in svm_region_init_internal (a=0xffff7edffe50) at
> /home/sirdas/code/commitb/vpp/src/svm/svm.c:835
> #10 0x0000ffffbec7d9d4 in svm_region_init_args (a=0xffff7edffe50) at
> /home/sirdas/code/commitb/vpp/src/svm/svm.c:918
> #11 0x0000ffffbf697de0 in vlibmemory_init (vm=0xffffbed61640
> <vlib_global_main>) at
> /home/sirdas/code/commitb/vpp/src/vlibmemory/memory_api.c:915
> #12 0x0000ffffbece8330 in vlib_main (vm=0xffffbed61640 <vlib_global_main>,
> input=0xffff7edfffc0) at /home/sirdas/code/commitb/vpp/src/vlib/main.c:1757
> #13 0x0000ffffbed32274 in thread0 (arg=281473883444800) at
> /home/sirdas/code/commitb/vpp/src/vlib/unix/main.c:607
> #14 0x0000ffffbebd5ef0 in clib_calljmp () from
> /home/sirdas/code/commitb/vpp/build-root/build-vpp_debug-native/vpp/lib/libvppinfra.so
> Backtrace stopped: not enough registers or memory available to unwind further
>
> My startup conf (This is ARM thunderx2 machine with 4.15.0-32-generic, gcc
> version 7.3.0, 16.04 Ubuntu):
>
> unix {
> nodaemon
> interactive
> cli-listen /run/vpp/cli.sock
> exec intel-xxv710-address-up.commands
> }
>
> cpu {
> workers 2
> main-core 136
> corelist-workers 137,138
> }
>
> dpdk {
> dev default {
> num-rx-queues 2
> num-tx-queues 2
> num-rx-desc 2048
> num-tx-desc 2048
> }
> dev 0000:8a:00.0
> dev 0000:8a:00.1
> socket-mem 0,1024
> no-multi-seg
> }
>
> Thank you
> ++++++++++++++++++++++
> Sirshak Das
>
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