Hi, I am collecting my servers temperature, fan speeds and sel logs with ipmitool. Yesterday, one of it get kernel panic, caused by ipmi. Os: FreeBSD 11 Stable r320710 HW: DELL R730 Scripts: /usr/local/bin/ipmitool sel list /usr/local/bin/ipmitool sdr type "Power Supply" /usr/local/bin/ipmitool sdr type "Fan" /usr/local/bin/ipmitool sdr type Temperature --------------------------------------------------------- ipmi0: KCS: Failed to read address ipmi0: KCS error: 01 ipmi0: KCS: Failed to read address ipmi0: KCS error: 01 ipmi0: KCS: Reply address mismatch ipmi0: KCS error: 01 mfi0: 1988 (566103600s/0x0020/info) - Patrol Read started mfi0: 1989 (566119684s/0x0020/info) - Patrol Read complete ipmi0: KCS: Reply address mismatch ipmi0: KCS error: 01 ipmi0: KCS: Reply address mismatch ipmi0: KCS error: 01 Fatal trap 12: page fault while in kernel mode cpuid = 21; apic id = 15 fault virtual address = 0x45cc0018 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80c530c6 stack pointer = 0x28:0xfffffe2021e9fa20 frame pointer = 0x28:0xfffffe2021e9fa30 code segment = base rx0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 49 (ipmi0: kcs) trap number = 12 panic: page fault cpuid = 21 Uptime: 20d19h11m45s kgdb) #0 doadump (textdump=1) at pcpu.h:222 #1 0xffffffff807c5176 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff807c5650 in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff807c5483 in panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:690 #4 0xffffffff80be6cb2 in trap_fatal (frame=0xfffffe2021e9f960, eva=1170997272) at /usr/src/sys/amd64/amd64/trap.c:801 #5 0xffffffff80be6d09 in trap_pfault (frame=0xfffffe2021e9f960, usermode=0) at pcpu.h:222 #6 0xffffffff80be6546 in trap (frame=0xfffffe2021e9f960) at /usr/src/sys/amd64/amd64/trap.c:421 #7 0xffffffff80bcbff1 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #8 0xffffffff80c530c6 in ipmi_complete_request (sc=0xfffff80116a9ac00, req=0xfffff812373de000) at /usr/src/sys/dev/ipmi/ipmi.c:550 #9 0xffffffff80c55b3b in kcs_loop (arg=0xfffff80116a9ac00) at /usr/src/sys/dev/ipmi/ipmi_kcs.c:485 #10 0xffffffff80787df5 in fork_exit (callout=0xffffffff80c55a80 <kcs_loop>, arg=0xfffff80116a9ac00, frame=0xfffffe2021e9fac0) at /usr/src/sys/kern/kern_fork.c:1042 #11 0xffffffff80bcc52e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611 #12 0x0000000000000000 in ?? ()