Re: tpmcrb0: Timeout while waiting for device to process cmd / Device failed to cancel command

On Sun, 1 Nov 2026, Kevin Bowling wrote:

> The timestamps are pretty far past boot, what happened during boot to
> the first occurrence?  A full(er) dmesg would go a long way.
>
> Adding Olivier as well since I don't have a Pluton to test against.

[1.002805] tpmcrb0: <Trusted Platform Module 2.0, CRB mode (Pluton)> iomem 0xc0500000-0xc0500fff on acpi0
[1.002807] random: registering fast source TPM
[1498.337989] tpmcrb0: Timeout while waiting for device to process cmd
[1500.337990] tpmcrb0: Device failed to cancel command
[1502.337989] tpmcrb0: Device failed to cancel command
[2368.468930] tpmcrb0: Timeout while waiting for device to process cmd
[2370.468930] tpmcrb0: Device failed to cancel command
[2372.468928] tpmcrb0: Device failed to cancel command
[3249.081872] tpmcrb0: Timeout while waiting for device to process cmd
[3251.081868] tpmcrb0: Device failed to cancel command
[3253.081868] tpmcrb0: Device failed to cancel command
[4432.308789] tpmcrb0: Timeout while waiting for device to process cmd
[4434.308786] tpmcrb0: Device failed to cancel command
[4436.308786] tpmcrb0: Device failed to cancel command
[5736.004699] tpmcrb0: Timeout while waiting for device to process cmd
[5738.004697] tpmcrb0: Device failed to cancel command
[5740.004696] tpmcrb0: Device failed to cancel command

The obvious question I'd have would be "what cmd" does it run or what does run these cmds?
Somehow this implies that something is using that thing?


> Regards,
> Kevin
>
>
>
> On Sun, Nov 1, 2026 at 6:40 PM Adrian Chadd <adrian@freebsd.org> wrote:
>>
>> cc'ing kevin since he's working on tpm.
>>
>> He landed something a couple days ago? Maybe see if that was it?
>>
>>
>> -adrian
>>
>>
>> On Sun, 1 Nov 2026 at 17:02, Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net> wrote:
>>>
>>> Hi,
>>>
>>> just updated an AMD Laptop to main and I am now seeing these regularly:
>>>
>>> [3249.081872] tpmcrb0: Timeout while waiting for device to process cmd
>>> [3251.081868] tpmcrb0: Device failed to cancel command
>>> [3253.081868] tpmcrb0: Device failed to cancel command
>>> [4432.308789] tpmcrb0: Timeout while waiting for device to process cmd
>>> [4434.308786] tpmcrb0: Device failed to cancel command
>>> [4436.308786] tpmcrb0: Device failed to cancel command
>>>
>>> Any ideas what to do abbout this?  I can probably try to provide debug
>>> info but may be slow responding.
>>>
>>> /bz
>>>
>>> --
>>> For there shall arise false Christs, and false prophets, and shall shew
>>> great signs and wonders; insomuch that, if it were possible, they shall
>>> deceive the very elect. Behold, I have told you before. [Mat. 24:24-25]
>>>
>

-- 
For there shall arise false Christs, and false prophets, and shall shew
great signs and wonders; insomuch that, if it were possible, they shall
deceive the very elect. Behold, I have told you before. [Mat. 24:24-25]