[DPDK/other Bug 1447] segfault while running dpdk app test ( event_crypto_adapter_autotest )

[bugzilla@dpdk.org]

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https://bugs.dpdk.org/show_bug.cgi?id=1447

            Bug ID: 1447
           Summary: segfault while running dpdk app test (
                    event_crypto_adapter_autotest )
           Product: DPDK
           Version: 22.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: partha.sarkar@intel.com
  Target Milestone: ---

Hi,

While running "event_crypto_adapter_autotest" the crash is observed when below
sriov configuration are done on the board. But if sriov configuration are not
done then crash is not observed for the crypto autotest.


modprobe vfio-pci

#Get pci-bdf for qat device
CPMDEV=$(lspci | grep "578a" | cut -f1 -d
echo $CPMDEV

echo "/sys/bus/pci/devices/0000:${CPMDEV}:00.0/sriov_numvfs"

echo "Before update, sriov_numvfs = \c"
cat /sys/bus/pci/devices/0000:${CPMDEV}:00.0/sriov_numvfs;

echo 10 > /sys/bus/pci/devices/0000:${CPMDEV}:00.0/sriov_numvfs

echo "After update, sriov_numvfs = \c"
cat /sys/bus/pci/devices/0000:${CPMDEV}:00.0/sriov_numvfs;

lsmod
if [ ! -z ${RDK_INSTALL+x} ]; then
        cd $RDK_INSTALL/dpdk/usertools
else
        cd $RTE_SDK/usertools
fi

${RTE_SDK}/usertools/dpdk-devbind.py -b vfio-pci ${CPMDEV}:00.1 ${CPMDEV}:00.2
${CPMDEV}:00.3 ${CPMDEV}:00.4 ${CPMDEV}:00.5 ${CPMDEV}:00.6 ${CPMDEV}:00.7
${CPMDEV}:01.0 ${CPMDEV}:01.1 ${CPMDEV}:01.2


The full gdb backtrace:

(gdb) n
Single stepping until exit from function unit_test_suite_runner,
which has no line number information.
 + TestCase [ 3] : test_crypto_adapter_runtime_params succeeded

Thread 4 "rte-worker-1" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff0765640 (LWP 2037)]
0x00007ffff6cad4c1 in eca_service_func ()
   from
/workspace/sw/swreleases/grr_builds/post-merge-install/main/rdk_i3c_56_2024_03_05/rdk_f623443/dpdk/x86_64-native-linuxapp-gcc/lib/librte_eventdev.so.23
(gdb) bt -full
#0  0x00007ffff6cad4c1 in eca_service_func ()
   from
/workspace/sw/swreleases/grr_builds/post-merge-install/main/rdk_i3c_56_2024_03_05/rdk_f623443/dpdk/x86_64-native-linuxapp-gcc/lib/librte_eventdev.so.23
No symbol table info available.
#1  0x00007ffff7ee6bb3 in service_runner_func ()
   from
/workspace/sw/swreleases/grr_builds/post-merge-install/main/rdk_i3c_56_2024_03_05/rdk_f623443/dpdk/x86_64-native-linuxapp-gcc/lib/librte_eal.so.23
No symbol table info available.
#2  0x00007ffff7ecb780 in eal_thread_loop.cold ()
   from
/workspace/sw/swreleases/grr_builds/post-merge-install/main/rdk_i3c_56_2024_03_05/rdk_f623443/dpdk/x86_64-native-linuxapp-gcc/lib/librte_eal.so.23
No symbol table info available.
#3  0x00007ffff38583c9 in start_thread (arg=0x7ffff0765640) at
pthread_create.c:481
        ret = <optimized out>
        pd = 0x7ffff0765640
        unwind_buf = {cancel_jmp_buf = {{jmp_buf =

{140737227675200, -2731498837051200553, 140737488338894,                
140737488338895, 0, 140737227675200, 2731473494489148375, 2731471986132364247}
, mask_was_saved = 0}},
          priv = {pad =

{0x0, 0x0, 0x0, 0x0}
, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#4  0x00000030002fc863 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Execution Steps:

$RDK_INSTALL/dpdk/x86_64-native-linuxapp-gcc/bin/dpdk-test --log-level 6
RTE>>event_crypto_adapter_autotest

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