hi. I tested my ser server which version is 0.9.7+cvs20080424 used sipps sending 1000 invite per sec. after about 10 sec, there was an out of mem error. Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: new_t: out of mem: Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: t_newtran: new_t failed Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: sl_reply_error used: I'm terribly sorry, server error occurred (1/SL) Aug 18 09:40:12 ubuntu /sbin/ser[20805]: ERROR: sip_msg_cloner: cannot allocate memory and my memlog is: Aug 18 10:11:02 ubuntu /sbin/ser[20787]: ----------------------------- Aug 18 10:11:02 ubuntu /sbin/ser[20787]: Memory status (shm): Aug 18 10:11:02 ubuntu /sbin/ser[20787]: qm_status (0xb5acf000): Aug 18 10:11:02 ubuntu /sbin/ser[20787]: heap size= 33554432 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: used= 1914592, used+overhead=2224736, free=31329696 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: max used (+overhead)= 33534720 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: dumping all alloc'ed. fragments: Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 0. N address=0xb5ad41a8 frag=0xb5ad41a0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 1. N address=0xb5ad41c8 frag=0xb5ad41c0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 2. N address=0xb5ad41e8 frag=0xb5ad41e0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 3. N address=0xb5ad4208 frag=0xb5ad4200 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 4. N address=0xb5ad4228 frag=0xb5ad4220 size=4096 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 5. N address=0xb5ad5238 frag=0xb5ad5230 size=4096 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 6. N address=0xb5ad6248 frag=0xb5ad6240 size=2800 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 7. N address=0xb5ad6d48 frag=0xb5ad6d40 size=1680 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 8. N address=0xb5ad73e8 frag=0xb5ad73e0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 9. N address=0xb5ad7408 frag=0xb5ad7400 size=1572864 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 10. N address=0xb5c57418 frag=0xb5c57410 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 11. N address=0xb5c57438 frag=0xb5c57430 size=320 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 12. N address=0xb5c57588 frag=0xb5c57580 size=48 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 13. N address=0xb5c575c8 frag=0xb5c575c0 size=80 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 14. N address=0xb5c57628 frag=0xb5c57620 size=80 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 15. N address=0xb5c57688 frag=0xb5c57680 size=80 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 16. N address=0xb5c576e8 frag=0xb5c576e0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 17. N address=0xb5c57708 frag=0xb5c57700 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 18. N address=0xb5c57728 frag=0xb5c57720 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 19. N address=0xb5c57748 frag=0xb5c57740 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 20. N address=0xb5c57768 frag=0xb5c57760 size=32 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 21. N address=0xb5c57798 frag=0xb5c57790 size=131072 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 22. N address=0xb5c777a8 frag=0xb5c777a0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 23. N address=0xb5c777c8 frag=0xb5c777c0 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 24. N address=0xb5c777e8 frag=0xb5c777e0 size=32 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 25. N address=0xb5c77818 frag=0xb5c77810 size=131072 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 60. N address=0xb5ca7948 frag=0xb5ca7940 size=48 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 61. N address=0xb5ca7988 frag=0xb5ca7980 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 62. N address=0xb5ca79a8 frag=0xb5ca79a0 size=80 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 63. N address=0xb5ca7a08 frag=0xb5ca7a00 size=48 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 64. N address=0xb5ca7a48 frag=0xb5ca7a40 size=32 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 65. N address=0xb5ca7a78 frag=0xb5ca7a70 size=16 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: 66. N address=0xb5ca7a98 frag=0xb5ca7a90 size=65808 used=1 Aug 18 10:11:02 ubuntu /sbin/ser[20787]: dumping free list stats : Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 1. fragments no.: 1232, unused: 0 ^I^I bucket size: 16 - 16 (first 16) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 38. fragments no.: 54, unused: 0 ^I^I bucket size: 608 - 608 (first 608) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 43. fragments no.: 54, unused: 0 ^I^I bucket size: 688 - 688 (first 688) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 44. fragments no.: 3991, unused: 0 ^I^I bucket size: 704 - 704 (first 704) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 57. fragments no.: 114, unused: 0 ^I^I bucket size: 912 - 912 (first 912) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 58. fragments no.: 4004, unused: 0 ^I^I bucket size: 928 - 928 (first 928) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 68. fragments no.: 46, unused: 0 ^I^I bucket size: 1088 - 1088 (first 1088) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 82. fragments no.: 109, unused: 0 ^I^I bucket size: 1312 - 1312 (first 1312) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 115. fragments no.: 34, unused: 0 ^I^I bucket size: 1840 - 1840 (first 1840) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 174. fragments no.: 3795, unused: 0 ^I^I bucket size: 2784 - 2784 (first 2784) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 186. fragments no.: 790, unused: 0 ^I^I bucket size: 2976 - 2976 (first 2976) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 187. fragments no.: 3820, unused: 0 ^I^I bucket size: 2992 - 2992 (first 2992) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 262. fragments no.: 1, unused: 0 ^I^I bucket size: 4192 - 4192 (first 4192) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: hash= 318. fragments no.: 1, unused: 0 ^I^I bucket size: 5088 - 5088 (first 5088) Aug 18 10:11:02 ubuntu /sbin/ser[20787]: ----------------------------- I think it's not a memory leak but the so many small memory fragments, and those fragments were not combinated. How I solve this problem? Thanks. -- MSN: miao__tan(a)hotmail.com Email: m.roger.t(a)gmail.com