linux-kernel - tpm_tis driver failed to suspend, error -62

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Message-ID: <20130319023440.GA12425@aaronlu.sh.intel.com>
Date:	Tue, 19 Mar 2013 10:34:40 +0800
From:	Aaron Lu <aaron.lu@...el.com>
To:	Rajiv Andrade <mail@...jiv.net>, Peter <peterasplund@...too.se>
Cc:	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: tpm_tis driver failed to suspend, error -62

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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