Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-11-04 Thread Alan Stern
On Mon, 4 Nov 2013, Luke-Jr wrote: > On Monday, November 04, 2013 4:22:04 PM Alan Stern wrote: > > On Mon, 4 Nov 2013, Luke-Jr wrote: > > > Perhaps I phrased that wrong: I suspect this is a hardware issue or > > > firmware bug, triggering bad error handling in Linux. After upgrading to > > > 3.12,

Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-11-04 Thread Luke-Jr
On Monday, November 04, 2013 4:22:04 PM Alan Stern wrote: > On Mon, 4 Nov 2013, Luke-Jr wrote: > > Perhaps I phrased that wrong: I suspect this is a hardware issue or > > firmware bug, triggering bad error handling in Linux. After upgrading to > > 3.12, Linux indeed survives the hub being plugged i

Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-11-04 Thread Alan Stern
On Mon, 4 Nov 2013, Luke-Jr wrote: > Perhaps I phrased that wrong: I suspect this is a hardware issue or firmware > bug, triggering bad error handling in Linux. After upgrading to 3.12, Linux > indeed survives the hub being plugged in, and the hub is usable, but I still > see various errors in

Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-11-04 Thread Luke-Jr
On Monday, November 04, 2013 3:07:18 PM Alan Stern wrote: > On Mon, 4 Nov 2013, Luke-Jr wrote: > > On Tuesday, October 29, 2013 2:39:14 PM Alan Stern wrote: > > > On Mon, 28 Oct 2013, Luke-Jr wrote: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=63961 > > > > > > > > Kernel version 3.10.15 >

Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-11-04 Thread Alan Stern
On Mon, 4 Nov 2013, Luke-Jr wrote: > On Tuesday, October 29, 2013 2:39:14 PM Alan Stern wrote: > > On Mon, 28 Oct 2013, Luke-Jr wrote: > > > https://bugzilla.kernel.org/show_bug.cgi?id=63961 > > > > > > Kernel version 3.10.15 > > > > > > [1774470.503558] hub 2-1.3:1.0: hub_port_status failed (er

Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-11-03 Thread Luke-Jr
On Tuesday, October 29, 2013 2:39:14 PM Alan Stern wrote: > On Mon, 28 Oct 2013, Luke-Jr wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=63961 > > > > Kernel version 3.10.15 > > > > [1774470.503558] hub 2-1.3:1.0: hub_port_status failed (err = -71) > > [1774475.483021] hub 2-1.4:1.0: confi

Re: kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-10-29 Thread Alan Stern
On Mon, 28 Oct 2013, Luke-Jr wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=63961 > > Kernel version 3.10.15 > [1774470.503558] hub 2-1.3:1.0: hub_port_status failed (err = -71) > [1774475.483021] hub 2-1.4:1.0: config failed, can't get hub status (err -110) > [1774475.483042] BUG: unable

kernel NULL pointer dereference at (null) - inside hub_disconnect

2013-10-28 Thread Luke-Jr
https://bugzilla.kernel.org/show_bug.cgi?id=63961 Kernel version 3.10.15 [1774469.764676] usb 2-1: new SuperSpeed USB device number 73 using xhci_hcd [1774469.777435] usb 2-1: Parent hub missing LPM exit latency info. Power management will be impacted. [1774469.779805] usb 2-1: New USB device f