linux-kernel - Re: [GIT PATCH] USB patches for 3.9-rc1

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Message-ID: <5127AD23.6040605@intel.com>
Date:	Sat, 23 Feb 2013 01:38:43 +0800
From:	Lan Tianyu <tianyu.lan@...el.com>
To:	Dave Jones <davej@...hat.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	Lan Tianyu <lantianyu1986@...il.com>
Subject: Re: [GIT PATCH] USB patches for 3.9-rc1

On 2013/2/23 1:20, Dave Jones wrote:
> On Sat, Feb 23, 2013 at 01:17:42AM +0800, Lan Tianyu wrote:
>   > On 2013/2/23 1:14, Dave Jones wrote:
>   > > On Sat, Feb 23, 2013 at 01:02:11AM +0800, Lan Tianyu wrote:
>   > >
>   > >   > >   > > What can I do to debug this ?
>   > >   > >   > 	Can you attach the output of dmesg with CONFIG_USB_DEBUG?
>   > >   > >
>   > >   > > http://paste.fedoraproject.org/3620
>   > >   > How about"sudo lsusb -s 1:1 -v" or "2:1"?
>   > >
>   > > (12:13:51:davej@...0s:~)$ sudo lsusb -s 1:1
>   > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   > > (12:13:53:davej@...0s:~)$ sudo lsusb -s 2:1
>   > > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   > >
>   > Oh. Sorry, I didn't say clearly.
>   > Please run
>   > "sudo lsusb -s 1:1 -v"
>   > "sudo lsusb -s 2:1 -v"
>
> (12:20:00:davej@...0s:~)$ sudo lsusb -s 1:1 -v | fpaste
> Uploading (2.3KiB)...
> http://paste.fedoraproject.org/3623
> (12:20:11:davej@...0s:~)$ sudo lsusb -s 2:1 -v | fpaste
> Uploading (2.3KiB)...
> http://paste.fedoraproject.org/3624
>
>
Please attach
"sudo lsusb -s 1:2 -v"
"sudo lsusb -s 2:2 -v"
"sudo lsusb -s 3:1 -v"
"sudo lsusb -s 4:1 -v"

How about disable runtime pm for root hub, intergrated hub and host controller?
echo on > (dev)/power/control
-- 
Best Regards
Tianyu Lan
linux kernel enabling team
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