Hi: After I update the kernel to the 2.6.33, I got the following error, Is there something change to the crypto API or some modules is missing? [root@RHEL ~]# sctp_test -H 127.0.0.1 -P 8000 -l local:addr=127.0.0.1, port=irdmi, family=2 seed = 1267480579 Starting tests... socket(SOCK_SEQPACKET, IPPROTO_SCTP) -> sk=3 bind(sk=3, [a:127.0.0.1,p:irdmi]) -- attempt 1/10 listen(sk=3,backlog=100) *** listen: Function not implemented *** [root@RHEL ~]# dmesg | tail SCTP: Hash tables configured (established 2048 bind 2048) sctp_init_sock(sk: ce63db68) sctp_init_sock(sk: ceafb8a0) sctp_setsockopt(sk: ceafb8a0... optname: 11) sctp_bind(sk: ceafb8a0, addr: ceaa0ed4, addr_len: 16) sctp_do_bind(sk: ceafb8a0, new addr: 127.0.0.1, port: 0, new port: 8000, len: 16) sctp_get_port() begins, snum=8000 SCTP: failed to load transform for hmac(md5): -2 sctp_close(sk: 0xceafb8a0, timeout:0) sctp_destroy_sock(sk: ceafb8a0) [root@RHEL ~]# cat /proc/crypto name : stdrng driver : krng module : kernel priority : 200 refcnt : 1 selftest : passed type : rng seedsize : 0 name : crc32c driver : crc32c-generic module : kernel priority : 100 refcnt : 2 selftest : passed type : shash blocksize : 1 digestsize : 4 name : sha1 driver : sha1-generic module : kernel priority : 0 refcnt : 1 selftest : passed type : shash blocksize : 64 digestsize : 20 name : md5 driver : md5-generic module : kernel priority : 0 refcnt : 1 selftest : passed type : shash blocksize : 64 digestsize : 16 The source code is this: 5576 SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog) 5577 { 5578 struct sctp_sock *sp = sctp_sk(sk); 5579 struct sctp_endpoint *ep = sp->ep; 5580 struct crypto_hash *tfm = NULL; 5581 5582 /* Allocate HMAC for generating cookie. */ 5583 if (!sctp_sk(sk)->hmac && sctp_hmac_alg) { 5584 tfm = crypto_alloc_hash(sctp_hmac_alg, 0, CRYPTO_ALG_ASYNC); 5585 if (IS_ERR(tfm)) { 5586 if (net_ratelimit()) { 5587 printk(KERN_INFO 5588 "SCTP: failed to load transform for %s: %ld\n", 5589 sctp_hmac_alg, PTR_ERR(tfm)); 5590 } 5591 return -ENOSYS; 5592 } 5593 sctp_sk(sk)->hmac = tfm; 5594 } -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html