Re: System hangs when using USB 3.0 HD with on Ubuntu

Sarah Sharp
2010-03-29T21:28:53Z

On Fri, Mar 26, 2010 at 11:40:21AM -0700, Sarah Sharp wrote:
> On Wed, Mar 24, 2010 at 07:07:58PM +0100, Jonas Schwertfeger wrote:
> > On Wed, Mar 24, 2010 at 4:59 PM, Sarah Sharp
> > <sarah.a.sharp-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> wrote:
> > > Despite the fact that this device probably won't work for 2.6.31 or
> > > 2.6.32, the xHCI driver shouldn't be hanging the system.  The reset
> > > device API probably shouldn't be back ported to those kernels, but I can
> > > allow the USB core to disable the device's port instead.
> >
> > In 2.6.31 the drive would show up as /dev/sdb and be mountable. The
> > system froze when I mounted it and then tried to partition it. In
> > 2.6.32 however the drive does not even show up in /dev/. Thus, I
> > cannot reproduce a system hang here.
>
> Hmm, ok, I would rather figure out why 2.6.31 is hanging, since 2.6.32
> does not. Can you compile the latest 2.6.31 stable tree and use
> netconsole to capture the crash with CONFIG_USB_XHCI_HCD_DEBUGGING and
> CONFIG_USB_STORAGE_DEBUG turned on? (I assume you know how to use
> netconsole, but if you don't, I've posted how I setup netconsole at
> http://sarah.thesharps.us/2010-03-26-09-41)

Ping? Any luck reproducing the hang on 2.6.31 stable? I tried with a
different unpartitioned USB 3.0 hard drive (SIIG 2.5" drive) on
2.6.31.12, but I didn't find any issues.

Sarah Sharp
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