Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-02-21 Thread Mathias Nyman
On 01/08/2014 09:53 PM, David Cohen wrote: On Wed, Jan 08, 2014 at 10:48:06AM -0500, Alan Stern wrote: On Tue, 7 Jan 2014, Greg KH wrote: On Tue, Jan 07, 2014 at 05:44:26PM -0800, David Cohen wrote: From: jianqian There is a possible kernel panic faced on xhci_suspend(). Due to kernel modif

Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-08 Thread David Cohen
On Wed, Jan 08, 2014 at 10:48:06AM -0500, Alan Stern wrote: > On Tue, 7 Jan 2014, Greg KH wrote: > > > On Tue, Jan 07, 2014 at 05:44:26PM -0800, David Cohen wrote: > > > From: jianqian > > > > > > There is a possible kernel panic faced on xhci_suspend(). > > > Due to kernel modified the hub auto

Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-08 Thread Alan Stern
On Tue, 7 Jan 2014, Greg KH wrote: > On Tue, Jan 07, 2014 at 05:44:26PM -0800, David Cohen wrote: > > From: jianqian > > > > There is a possible kernel panic faced on xhci_suspend(). > > Due to kernel modified the hub autosupend_delay to 0s, after usb1 root > > hub finishes initialization, it wi

Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-07 Thread David Cohen
Hi Greg, On Tue, Jan 07, 2014 at 08:16:20PM -0800, Greg KH wrote: > > A: No. > Q: Should I include quotations after my reply? > > http://daringfireball.net/2007/07/on_top > > On Wed, Jan 08, 2014 at 03:49:07AM +, Tang, Jianqiang wrote: > > Hi, > > 1) I met this issue one time just boot up

Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-07 Thread Greg KH
A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Wed, Jan 08, 2014 at 03:49:07AM +, Tang, Jianqiang wrote: > Hi, > 1) I met this issue one time just boot up our Linux Platform(Kernel3.10) > with XHCI driver, then kernel panic happen. > >

RE: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-07 Thread Tang, Jianqiang
ux-kernel@vger.kernel.org; Tang, Jianqiang Subject: Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend() On Tue, Jan 07, 2014 at 05:44:26PM -0800, David Cohen wrote: > From: jianqian > > There is a possible kernel panic faced on xhci_suspend(). > Due to kernel modified the hub a

Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-07 Thread Greg KH
On Tue, Jan 07, 2014 at 05:44:26PM -0800, David Cohen wrote: > From: jianqian > > There is a possible kernel panic faced on xhci_suspend(). > Due to kernel modified the hub autosupend_delay to 0s, after usb1 root > hub finishes initialization, it will trigger runtime_suspend and then > it will tr

Re: [RFC/PATCH] usb/xhci: avoid kernel panic on xhci_suspend()

2014-01-07 Thread Greg KH
On Tue, Jan 07, 2014 at 05:44:26PM -0800, David Cohen wrote: > From: jianqian > > There is a possible kernel panic faced on xhci_suspend(). > Due to kernel modified the hub autosupend_delay to 0s, after usb1 root > hub finishes initialization, it will trigger runtime_suspend and then > it will tr