Hi, Can you share more information? Which process does the enqueue and dequeue operation? A segment of code or pseudo code would be nice.
Regards, Fan > -----Original Message----- > From: users [mailto:[email protected]] On Behalf Of Pathak, Pravin > Sent: Thursday, March 7, 2019 10:31 PM > To: [email protected] > Subject: [dpdk-users] DPDK 18.11 ASENI_MB segfault > > Hi - > I have multi-process application in which primary process initializes all > crypto > devices and sets up sessions. Secondary process uses the pre-initialized > devices and sessions. > It was working fine till DPDK 18.05. When switched to DPDK 18.11, secondary > process started giving seg fault on receive. Primary process can still send > and > receive packets to/from crypto devices. > When switched to use HW crypto (QAT) instead of software crypto, same > application works fine on DPDK 18.11. Is the usage model correct? Anything > changed in DPDK 18.11 which might explain this? > > Regards > Pravin > > GDB backtrace > > Program terminated with signal SIGSEGV, Segmentation fault. > #0 post_process_mb_job (qp=0x7007df2d600, job=0x55b48daa6b00) > at /.../dpdk-18.11/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c:931 > ---Type <return> to continue, or q <return> to quit--- > 931 if (likely(op->status == > RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) { > [Current thread is 1 (Thread 0x7f7e8b2f4c00 (LWP 39715))] > (gdb) > (gdb) p op > $1 = (struct rte_crypto_op *) 0x0 > (gdb) p sess > $2 = <optimized out> > (gdb)
