Return-path: Received: from mail-qa0-f48.google.com ([209.85.216.48]:37899 "EHLO mail-qa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752527AbaCJGzK (ORCPT ); Mon, 10 Mar 2014 02:55:10 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Shuduo Sang Date: Mon, 10 Mar 2014 14:49:24 +0800 Message-ID: (sfid-20140310_075515_925356_7F336A48) Subject: Re: wifi driver or USB might leads suspend/resume failure on thinkpad X1 carbon To: Emmanuel Grumbach Cc: linux-usb , linux-wireless , Tedd Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Mar 10, 2014 at 2:11 PM, Emmanuel Grumbach wrote: > Hi, > > On Mon, Mar 10, 2014 at 7:05 AM, Shuduo Sang wrote: >> Hi, >> >> Sorry for cross posting. I'm suffering an issue my Thinkpad X1 Carbon >> can't resume after suspend recently. I tried many ways including >> latest vanilla kernel, latest stable 3.13 and 3.11 kernel but it still >> happens. I found it will not happen when I turn off WIFI device or USB >> 3.0 in BIOS. So I suspect something need fix in either wifi driver or >> USB side. Since Windows 7 works good so I suppose no hardware issue. >> Anyone has some ideas to fix it or debug it? >> >> Thanks, >> Shuduo >> > > If you disable WiFi only (without touching USB 3.0 in BIOS), it works? > How do you disable WiFi? Rfkill or removing iwlwifi? > I have disabled WIFI device in BIOS, then its suspend/resume works. >> >> lspci -vnn output: >> .. >> sniped >> .. >> 00:1d.0 USB controller: Intel Corporation Lynx Point-LP USB EHCI #1 >> (rev 04) (prog-if 20 [EHCI]) >> Subsystem: Lenovo Device 2218 >> Flags: bus master, medium devsel, latency 0, IRQ 23 >> Memory at f052d000 (32-bit, non-prefetchable) [size=1K] >> Capabilities: [50] Power Management version 3 >> Capabilities: [58] Debug port: BAR=1 offset=00a0 >> Capabilities: [98] PCI Advanced Features >> Kernel driver in use: ehci-pci >> .. >> 03:00.0 Network controller: Intel Corporation Wireless 7260 (rev 83) >> Subsystem: Intel Corporation Dual Band Wireless-AC 7260 >> Flags: bus master, fast devsel, latency 0, IRQ 59 >> Memory at f0400000 (64-bit, non-prefetchable) [size=8K] >> Capabilities: [c8] Power Management version 3 >> Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ >> Capabilities: [40] Express Endpoint, MSI 00 >> Capabilities: [100] Advanced Error Reporting >> Capabilities: [140] Device Serial Number 7c-7a-91-ff-ff-5e-4c-cd >> Capabilities: [14c] Latency Tolerance Reporting >> Capabilities: [154] Vendor Specific Information: ID=cafe Rev=1 Len=014 >> Kernel driver in use: iwlwifi >> Kernel modules: iwlwifi >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html