FortiOS 펌웨어 7.2.5 및 7.4.1부터 cw_acd 데몬이 충돌하여 간헐적인 트래픽 중단이 발생하는 현상이 있다.
이는 특정 AP 모델에서 발생하며 "dia debug crashlog read" 명령어를 이용하여 cw_acd 데몬 문제를 확인 할 수 있다.
5161: 2023-09-04 14:20:34 <31455> firmware FortiGate-1801F v7.2.5,build1517b1517,230606 (GA.F) (Release) 5162: 2023-09-04 14:20:34 <31455> application cw_acd 5163: 2023-09-04 14:20:34 <31455> *** signal 6 (Aborted) received *** 5164: 2023-09-04 14:20:34 <31455> Register dump: 5165: 2023-09-04 14:20:34 <31455> RAX: 0000000000000000 RBX: 00007f577785c040 5166: 2023-09-04 14:20:34 <31455> RCX: 00007f577aa22e11 RDX: 0000000000000000 5167: 2023-09-04 14:20:34 <31455> R08: 0000000000000000 R09: 00007ffe4206c950 5168: 2023-09-04 14:20:34 <31455> R10: 0000000000000008 R11: 0000000000000246 5169: 2023-09-04 14:20:34 <31455> R12: 00007ffe4206cbf0 R13: 0000000000001000 5170: 2023-09-04 14:20:34 <31455> R14: 0000000000000040 R15: 00007f5776000000 5171: 2023-09-04 14:20:34 <31455> RSI: 00007ffe4206c950 RDI: 0000000000000002 5172: 2023-09-04 14:20:34 <31455> RBP: 00007ffe4206cd30 RSP: 00007ffe4206c950 5173: 2023-09-04 14:20:34 <31455> RIP: 00007f577aa22e11 EFLAGS: 0000000000000246 5174: 2023-09-04 14:20:34 <31455> CS: 0033 FS: 0000 GS: 0000 5175: 2023-09-04 14:20:34 <31455> Trap: 0000000000000000 Error: 0000000000000000 5176: 2023-09-04 14:20:34 <31455> OldMask: 0000000000000000 5177: 2023-09-04 14:20:34 <31455> CR2: 0000000000000000 5178: 2023-09-04 14:20:34 <31455> stack: 0x7ffe4206c950 - 0x7ffe4206d910 5179: 2023-09-04 14:20:34 <31455> Backtrace: 5180: 2023-09-04 14:20:34 <31455> [0x7f577aa22e11] => /usr/lib/x86_64-linux-gnu/libc.so.6 5181: 2023-09-04 14:20:34 (gsignal+0x00000141) liboffset 00038e11 5182: 2023-09-04 14:20:34 <31455> [0x7f577aa0c557] => /usr/lib/x86_64-linux-gnu/libc.so.6 5183: 2023-09-04 14:20:34 (abort+0x00000123) liboffset 00022557 5184: 2023-09-04 14:20:34 <31455> [0x7f577aa65640] => /usr/lib/x86_64-linux-gnu/libc.so.6 liboffset 5185: 2023-09-04 14:20:34 0007b640 5186: 2023-09-04 14:20:34 <31455> [0x7f577aaf379d] => /usr/lib/x86_64-linux-gnu/libc.so.6 liboffset 5187: 2023-09-04 14:20:34 0010979d 5188: 2023-09-04 14:20:34 <31455> [0x7f577aaf3752] => /usr/lib/x86_64-linux-gnu/libc.so.6 liboffset 5189: 2023-09-04 14:20:34 00109752 5190: 2023-09-04 14:20:34 <31455> [0x00689e82] => /bin/cw_acd 5191: 2023-09-04 14:20:34 <31455> [0x0068a5c2] => /bin/cw_acd 5192: 2023-09-04 14:20:34 <31455> fortidev 6.0.1.0005 |
Known Issue로 펌웨어 7.2.9, 7.4.5 및 7.6.1에서 수정될 예정이다.
(해당 펌웨어 버전 Release note에서 Bug ID #949682 확인 할 것)
cw_acd 데몬은 FortiGate가 FortiAP를 관리하는 데 사용되는 CAPWAP AC 데몬(cw_acd)이다.
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