Re: git: c2e9c5bbf022 - main - tpm: Refactor TIS and add a SPI attachment

Reply: Warner Losh : "Re: git: c2e9c5bbf022 - main - tpm: Refactor TIS and add a SPI attachment"
In reply to: Justin Hibbits : "Re: git: c2e9c5bbf022 - main - tpm: Refactor TIS and add a SPI attachment"
Go to: [ bottom of page ] [ top of archives ] [ this month ]

From: Gleb Smirnoff <glebius_at_freebsd.org>
Date: Mon, 24 Jun 2024 21:16:12 UTC

On Mon, Jun 24, 2024 at 04:11:28PM -0400, Justin Hibbits wrote:
J> > sorry for late notice, but we just discovered that after this commit
J> > tpm(4) on ACPI no longer attaches.  From what I see ther probe method
J> > isn't even called.
J> 
J> Hi Gleb,
J> 
J> That's very odd.  The probe method hasn't changed, nor has the tpm_acpi
J> attachment (still acpi), so I'm really confused why it wouldn't be
J> called now.  Is there any debugging you can do to further narrow it
J> down?  I haven't seen any issues reported internally at Juniper on x86
J> hardware.  I just verified everything should get built properly.

I started adding printfs to the probe method and as said - it is not
even called. So I puzzled on where to start the debugging. I can test
patches/ideas if you have any.

Warner is also looking into this problem.

-- 
Gleb Smirnoff