linux-kernel - Re: [3.14-rc4 xHCI] Regression haswell B85 with xHCI on

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Date:	Fri, 28 Feb 2014 10:49:00 -0800
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	Otto Meier <gf435@....net>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	"Nyman, Mathias" <mathias.nyman@...el.com>,
	Dan Williams <dan.j.williams@...el.com>
Subject: Re: [3.14-rc4 xHCI] Regression haswell B85 with xHCI on

On Thu, Feb 27, 2014 at 05:17:19PM +0100, Otto Meier wrote:
> I migrated my system from H77 Ivy-bridge to a haswell Platform
> B85 i3-4330.
> 
> The system has three dvb-c usb receivers connected. On the Ivy
> Platform everything runs fine with xHCI. On the haswell Platform
> xHCI explodes with  following messages:

Do these DVB-C receivers work with an earlier kernel on this machine?
If so, that's technically not a regression, but it's still a bug that
needs to get fixed.

> 2014-02-27T16:45:53.518332+01:00 vnas kernel: [  222.218703] xhci_hcd 0000:00:14.0: xHCI host not responding to stop endpoint command.
> 2014-02-27T16:45:53.518342+01:00 vnas kernel: [  222.218712] xhci_hcd 0000:00:14.0: Assuming host is dying, halting host.
> 2014-02-27T16:45:53.518346+01:00 vnas kernel: [  222.218808] xhci_hcd 0000:00:14.0: HC died; cleaning up
> 2014-02-27T16:45:53.518349+01:00 vnas kernel: [  222.218870] usb 1-1: USB disconnect, device number 2
> 2014-02-27T16:45:53.518351+01:00 vnas kernel: [  222.218880] usb 1-1.2: USB disconnect, device number 7
> 2014-02-27T16:45:53.518353+01:00 vnas kernel: [  222.218979] em2884 #0: writing to i2c device at 0x52 failed (error=-19)
> 2014-02-27T16:45:53.518356+01:00 vnas kernel: [  222.218988] drxk: i2c write error at addr 0x29
> 2014-02-27T16:45:53.518358+01:00 vnas kernel: [  222.218993] em2884 #2: writing to i2c device at 0x52 failed (error=-19)
> 2014-02-27T16:45:53.518361+01:00 vnas kernel: [  222.218997] drxk: i2c write error at addr 0x29
> 2014-02-27T16:45:53.518364+01:00 vnas kernel: [  222.219001] drxk: write_block: i2c write error at addr 0x831ffd
> 2014-02-27T16:45:53.518366+01:00 vnas kernel: [  222.219006] drxk: write_block: i2c write error at addr 0x831ffd
> 2014-02-27T16:45:53.518368+01:00 vnas kernel: [  222.219012] em2884 #1: writing to i2c device at 0x52 failed (error=-19)
> 2014-02-27T16:45:53.518371+01:00 vnas kernel: [  222.219017] drxk: i2c write error at addr 0x29
> 2014-02-27T16:45:53.518373+01:00 vnas kernel: [  222.219021] drxk: write_block: i2c write error at addr 0x831ffd
> 2014-02-27T16:45:53.518375+01:00 vnas kernel: [  222.219070] em2884 #0: Disconnecting em2884 #0
> 2014-02-27T16:45:53.518962+01:00 vnas kernel: [  222.219076] em2884 #0: Closing audio extension

Can you enable xHCI dynamic debugging (make sure you have
CONFIG_DYNAMIC_DEBUG turned on), and send us more of the dmesg before
the host died?

echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control

> This happens when more then one DVB-C receiver is connected.
> With only one it works.
> 
> If I disable xHCI Mode in Bios and run only with EHCI.
> Everything is running fine either.
> 
> lsusb:
> 
> Bus 001 Device 002: ID 8087:8008 Intel Corp.
> Bus 002 Device 002: ID 8087:8000 Intel Corp.
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub                      
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub                                                                                                                         
> Bus 002 Device 003: ID 2109:2811                                                                                                               
> Bus 002 Device 004: ID 10c4:ea60 Cygnal Integrated Products, Inc. CP210x UART Bridge / myAVR mySmartUSB light                
> Bus 002 Device 005: ID 03eb:201l3 Atmel Corp.
> Bus 002 Device 006: ID 9e88:9e8f                                                                                                                                                       
> Bus 002 Device 007: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
> Bus 002 Device 008: ID 2040:1605 Hauppauge                                                                 
> Bus 002 Device 009: ID 2040:1605 Hauppauge                                                                                                        
> Bus 002 Device 010: ID 2040:1605 Hauppauge
> Bus 002 Device 011: ID 04e6:5116 SCM Microsystems, Inc. SCR331-LC1 / SCR3310 SmartCard Reader
> Bus 002 Device 012: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
> Bus 002 Device 013: ID 10c4:ea60 Cygnal Integrated Products, Inc. CP210x UART Bridge / myAVR mySmartUSB light
> Bus 002 Device 014: ID 10c4:ea60 Cygnal Integrated Products, Inc. CP210x UART Bridge / myAVR mySmartUSB light
> 
> lspci: xHCI disabled:
> 
> 00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM
> Controller (rev 06)
> 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th
> Gen Core Processor Integrated Graphics Controller (rev 06)
> 00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core
> Processor HD Audio Controller (rev 06)
> 00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series
> Chipset Family MEI Controller #1 (rev 04)
> 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset
> Family USB EHCI #2 (rev 05)
> 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset
> High Definition Audio Controller (rev 05)
> 00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset
> Family PCI Express Root Port #1 (rev d5)
> 00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset
> Family PCI Express Root Port #3 (rev d5)
> 00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset
> Family PCI Express Root Port #4 (rev d5)
> 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset
> Family USB EHCI #1 (rev 05)
> 00:1f.0 ISA bridge: Intel Corporation B85 Express LPC Controller (rev 05)
> 00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset
> Family 6-port SATA Controller 1 [AHCI mode] (rev 05)
> 00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family
> SMBus Controller (rev 05)
> 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
> 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
> 
> Any Idea how to fix these?

I won't know until I see more dmesg.

Sarah Sharp
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