linux-kernel - Re: [tpmdd-devel] tpm_tis driver failed to suspend, error -62

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Date:	Thu, 21 Mar 2013 14:17:11 +0100
From:	peterasplund@...too.se
To:	Luigi Semenzato <semenzato@...gle.com>
Cc:	Aaron Lu <aaron.lu@...el.com>, Rajiv Andrade <mail@...jiv.net>,
	<tpmdd-devel@...ts.sourceforge.net>, <linux-kernel@...r.kernel.org>
Subject: Re: [tpmdd-devel] tpm_tis driver failed to suspend, error -62

Hi! Sadly, I have to say that I'm totally oblivious to power-related 
stuff both in software and hardware, so I have no idea what you are 
asking or proposing.. :)

I don't know if you have access to the files I've included in the bug 
report, so here are the links to them:
https://launchpadlibrarian.net/105830773/lspci.txt
https://launchpadlibrarian.net/95994294/AcpiTables.txt
https://launchpadlibrarian.net/95994318/BootDmesg.txt
https://launchpadlibrarian.net/95994354/UdevDb.txt

Regarding the syslog during boot, is that the same as the BootDmesg 
I've attached? Or should I search in another log file?
I'm not sure about the model, but I was hoping you could deduct 
something from the UdevDb or the lspci output above.

BR,
Peter

2013-03-19 16:50 skrev Luigi Semenzato:
> Error 62 is ETIME.  The driver is timing out during a tpm_send,
> possibly trying to send the Tpm_SaveState command.
>
> It may be that you cannot talk to the TPM at all.  Have you tried
> sending messages to the TPM before suspending?
>
> Are there any other tpm entries in the syslog?  Like at boot?
>
> What model TPM is it?
>
>
> On Mon, Mar 18, 2013 at 7:34 PM, Aaron Lu <aaron.lu@...el.com> wrote:
>> Hi Rajiv,
>>
>> Not sure if I should send this to you, please kindly forward it to 
>> the
>> appropriate person if not, thanks.
>>
>> Peter has encountered a problem during suspend, the tpm_tis driver's
>> suspend callback will fail, the relevant message is:
>>
>> [  192.281757] PM: Syncing filesystems ... done.
>> [  192.692479] Freezing user space processes ... (elapsed 0.01 
>> seconds)
>> done.
>> [  192.708159] Freezing remaining freezable tasks ... (elapsed 0.01
>> seconds)
>> done.
>> [  192.724151] Suspending console(s) (use no_console_suspend to 
>> debug)
>> [  192.724612] sd 2:0:0:0: [sda] Synchronizing SCSI cache
>> [  192.724785] sd 2:0:0:0: [sda] Stopping disk
>> [  197.512047] tpm_tis 00:08: tpm_transmit: tpm_send: error -62
>> [  197.512055] legacy_suspend(): pnp_bus_suspend+0x0/0xa0 returns 
>> -62
>> [  197.512057] PM: Device 00:08 failed to suspend: error -62
>> [  197.512058] PM: Some devices failed to suspend
>>
>> And the problem has been there since v2.6.32(shipped in ubuntu 
>> 10.04),
>> and the latest upstream tree(v3.9-rcx) also has this problem. The 
>> bug
>> link is here:
>> https://bugzilla.kernel.org/show_bug.cgi?id=45761
>>
>> Please feel free to ask for more information, thanks.
>>
>> -Aaron
>>
>>
>> 
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