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BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.

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BIC cold-reboot issue

MouchenHung-QUANTA opened this issue · comments

commented

Hi @rainlinWW,

We recently encountered an BIC reboot issue. Host would hang-up while sending cold-reboot command(0x06,0x02). Have you seen this problem before?

Thanks,
Mouchen

commented

Hi @MouchenHung-QUANTA

It's a known issue that BIC will fail to bypass host console to BMC after cold reset.
Could you help to check if host ssh still works after cold reset on your side?

Thanks,
Rain

commented

Hi @rainlinWW,

Well, host still works after cold reset command via ssh method. That means no problem with host.
So, does this known issue already got solution?

Thanks,
Mouchen

commented

Hi @MouchenHung-QUANTA

Currently we are working with Aspeed to find root cause.

Thanks,
Rain

commented

Hi @MouchenHung-QUANTA

Aspeed system warm reset default setting is SOC reset, and system cold reset is full chip reset.
BIC would do full chip reset before modifying cold reset command reset type.
Full chip reset would cause SUART disabled between BIC and host, and BMC can't connect to host through SOL after cold reset.

We modify cold reset command reset type from full chip reset to SOC reset.
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