I get a kernel panic at early boot time on 9.0-stable (r237150), GENERIC, AMD64.
Repro step: 1. Boot, wait for welcome screen. 2. Repeat pressing Enter key rapidly (so kernel is loading, don't stop pressing Enter key). 3. See the following message at early boot * * *ACPI APIC Table: <ALASKA A M I>* *panic: AP #1 (PHY# 2) failed!* *cpuid = 0* *KDB: stack backtrace: **(address is remove below in backtrace)* *#0 kdb_backtrace* *#1 panic* *#2 cpu_mp_start* *#3 mp_start* *#4 mi_startup* *#5 btext* * * I can repro about 5 out of 10 times. * * I attached dmesg log captured during normal boot. The box has a MSI H67MA-E35 motherboard, Intel H67 chipset. The usb keyboard is connected to a hub then to the machine. Thanks.
dmesg.log
Description: Binary data
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