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

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Message-ID: <528E059C.9050408@gmail.com>
Date:	Thu, 21 Nov 2013 14:07:40 +0100
From:	Francis Moreau <francis.moro@...il.com>
To:	Jingoo Han <jg1.han@...sung.com>, 'Borislav Petkov' <bp@...en8.de>,
	'Wei WANG' <wei_wang@...lsil.com.cn>
CC:	'LKML' <linux-kernel@...r.kernel.org>,
	"'Rafael J. Wysocki'" <rjw@...k.pl>,
	'Thomas Gleixner' <tglx@...utronix.de>,
	'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)

Hi,

On 11/21/2013 12:17 PM, Jingoo Han wrote:
[...]
> 
> In my opinion, rtsx_pci_resume()/rtsx_pci_suspend() in realtek PCIe card
> reader driver may make the kernel panic.
> 
> I think that the commit "mfd: rtsx: Configure to enter a deeper
> power-saving mode in S3" may be the culprit.

I'll do the check tonight.

> 
> Francis Moreau,
> Let us know the exact model name of rts52xx PCIe card reader
> in your laptop? According to the commit, Wei WANG added S3 mode
> to rts5227 driver ,and rts5249 driver.

03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device
[10ec:5289] (rev 01)
	Subsystem: CLEVO/KAPOK Computer Device [1558:0540]
	Flags: bus master, fast devsel, latency 0, IRQ 40
	Memory at f7200000 (32-bit, non-prefetchable) [size=64K]
	Capabilities: [40] Power Management version 3
	Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Capabilities: [70] Express Endpoint, MSI 00
	Capabilities: [b0] MSI-X: Enable- Count=1 Masked-
	Capabilities: [d0] Vital Product Data
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Virtual Channel
	Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
	Kernel driver in use: rtsx_pci
	Kernel modules: rtsx_pci

Thanks,

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