Confirmed, TPM on T480 makes it slow. > I've looked at the logs and this is interesting: > > `Timeout at wait_reg8:81` > Looked it up and this is what comes up first: > > https://seabios.seabios.narkive.com/pS4zmLZf/patch-v2-0-3-fix-crb-probing-to-work-with-real-hardware > > So this seems to be related to TPM. I will set this option when building CB: > CONFIG_NO_TPM=y > > and I will report up > > Dec 17, 2025, 08:43 by [email protected]: > >> Here's the output of `cbmem -1` (attachment) >> >> Dec 16, 2025, 18:49 by [email protected]: >> >>> Dear nine-ball, >>> >>> >>> Am 16.12.25 um 19:02 schrieb nine-ball--- via coreboot: >>> >>>> I have SeaBIOS on my machine. On QEMU it's very fast. On real >>>> hardware, it takes 10+ seconds to register a keypress. >>>> >>>> How to fix? >>>> >>> Without more information, not much can be said. Please attach the logs you >>> can get with `cbmem -1` or with the right module from `/sys/firmware/log`. >>> >>> >>> Kind regards, >>> >>> Paul >>> >> >> > >
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