linux-kernel - Re: 3.12: kernel panic when resuming from suspend to RAM (x86

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Message-ID: <20131124133110.GD4208@pd.tnic>
Date:	Sun, 24 Nov 2013 14:31:10 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Francis Moreau <francis.moro@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Jingoo Han <jg1.han@...sung.com>,
	'Wei WANG' <wei_wang@...lsil.com.cn>,
	'LKML' <linux-kernel@...r.kernel.org>,
	'Samuel Ortiz' <sameo@...ux.intel.com>,
	'Chris Ball' <cjb@...top.org>
Subject: Re: 3.12: kernel panic when resuming from suspend to RAM (x86_64)

On Sun, Nov 24, 2013 at 10:39:20AM +0100, Francis Moreau wrote:
> This looks like it was a good idea.
> 
> The kernel now outputs the following traces after resuming.
> 
> [   26.973928] WARNING: CPU: 0 PID: 4 at lib/debugobjects.c:260
> debug_print_object+0x83/0xa0()
> [   26.973932] ODEBUG: free active (active state 0) object type:
> timer_list hint: delayed_work_timer_fn+0x0/0x20

Just a stab in the dark, does the below fix it?

--
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 11e20afbdcac..e65a12dd6e20 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -1228,8 +1228,8 @@ static void rtsx_pci_remove(struct pci_dev *pcidev)
 
 	pcr->remove_pci = true;
 
-	cancel_delayed_work(&pcr->carddet_work);
-	cancel_delayed_work(&pcr->idle_work);
+	cancel_delayed_work_sync(&pcr->carddet_work);
+	cancel_delayed_work_sync(&pcr->idle_work);
 
 	mfd_remove_devices(&pcidev->dev);
 

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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