ipmi kcs problem

Erhan Y. erhan14 at yahoo.com
Fri Oct 7 23:56:02 AEDT 2022

Hi,We are trying to get SMBIOS tables from host on BMC (ast-2500). KCS#3 is enabled in DTS (with address CA2) and on the host side IPMI_SI driver initialization fails.What can be wrong in our setup? What are to required steps to get the SMBIOS tables from the host?
Host Logs:[    7.796852] ipmi_si: IPMI System Interface driver[    7.796893] ipmi_si dmi-ipmi-si.0: ipmi_platform: probing via SMBIOS[    7.796900] ipmi_platform: ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0[    7.796905] ipmi_si: Adding SMBIOS-specified kcs state machine[    7.797140] ipmi_si: Trying SMBIOS-specified kcs state machine at i/o address 0xca2, slave address 0x20, irq 0[    7.797152] ipmi_si dmi-ipmi-si.0: Interface detection failed

BMC Logs: [    0.301014] ast-kcs-bmc 1e78902c.kcs: Initialised IPMI client for channel 3[    0.301085] ast-kcs-bmc 1e78902c.kcs: Initialised channel 3 at 0xca2[   22.521031] systemd[1]: Created slice Slice /system/phosphor-ipmi-kcs.

 systemctl status phosphor-ipmi-kcs at ipmi-kcs3phosphor-ipmi-kcs at ipmi-kcs3.service - Phosphor IPMI KCS DBus Bridge     Loaded: loaded (/lib/systemd/system/phosphor-ipmi-kcs at .service; enabled; vendor preset: disabled)     Active: active (running) since Thu 1970-01-01 00:01:54 UTC; 24min ago   Main PID: 443 (kcsbridged)     CGroup: /system.slice/system-phosphor\x2dipmi\x2dkcs.slice/phosphor-ipmi-kcs at ipmi-kcs3.service             └─ 443 /usr/libexec/kcsbridged -c ipmi-kcs3
Jan 01 00:01:53 Aselsan-Server systemd[1]: Starting Phosphor IPMI KCS DBus Bridge...Jan 01 00:01:54 Aselsan-Server systemd[1]: Started Phosphor IPMI KCS DBus Bridge.

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