linux-kernel - Re: regression 2.6.38-rc4 -> 2.6.38-rc5 suspend fails

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Date:	Thu, 17 Feb 2011 23:09:25 +0100
From:	"R. J. Wysocki" <Rafal.Wysocki@....edu.pl>
To:	Norbert Preining <preining@...ic.at>
Cc:	linux-kernel@...r.kernel.org,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>
Subject: Re: regression 2.6.38-rc4 -> 2.6.38-rc5 suspend fails

On Thursday, February 17, 2011, Norbert Preining wrote:
> Hi everyone,
> 
> (please Cc)
> 
> I have a regression here sinc e2.6.38-rc5 against -rc4, suspend does
> not work anymore.
> 
> Suspend in rc5 stops with "some devices cannot be suspend":
> [  186.824325] PM: Preparing system for mem sleep
> [  187.368534] Freezing user space processes ... (elapsed 0.01 seconds) done.
> [  187.384141] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
> [  187.400154] PM: Entering mem sleep
> [  187.400217] Suspending console(s) (use no_console_suspend to debug)
> [  187.431788] sd 0:0:0:0: [sda] Synchronizing SCSI cache
> [  187.431895] sd 0:0:0:0: [sda] Stopping disk
> [  187.480078] tpm_tis 00:0a: Operation Timed out
> [  187.480095] legacy_suspend(): pnp_bus_suspend+0x0/0x6a returns -62
> [  187.480101] PM: Device 00:0a failed to suspend: error -62
> [  187.919032] PM: Some devices failed to suspend
> [  187.919108] sd 0:0:0:0: [sda] Starting disk
> [  189.091224] PM: resume of devices complete after 1172.182 msecs
> [  189.091687] PM: Finishing wakeup.
> [  189.091691] Restarting tasks ... done.
> [  189.107075] video LNXVIDEO:00: Restoring backlight state
> 
> Interestingly I don't see anything in lspci with 00:0a

This is a PNP device.

What happens if you revert commit 9b29050 (tpm_tis: Use timeouts returned from TPM)?

Rafael

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